WLK / Westlake Corporation - Insider Trading and Ownership Report - SEC Form 3, 4, 5

Westlake Corporation
US ˙ NYSE ˙ US9604131022

Jumlah Saham Beredar 128,246,266 shares
Saham Orang Dalam147,513,231 shares
Orang Dalam Sejati36
Skor Sentimen Orang Dalam

Skor Sentimen Orang Dalam mengidentifikasi perusahaan yang dibeli oleh orang dalam korporat.

Ini adalah hasil dari model kuantitatif multifaktor yang canggih yang mengidentifikasi perusahaan dengan tingkat akumulasi internal tertinggi. Model penilaian ini menggunakan kombinasi dari jumlah bersih orang dalam yang membeli dalam 90 hari sebelumnya, total saham yang dibeli sebagai persentase dari jumlah saham yang beredar, dan total saham yang dimiliki oleh orang dalam. Angka tersebut berkisar dari 0 hingga 100, dengan angka yang lebih tinggi menunjukkan tingkat akumulasi yang lebih tinggi dibandingkan dengan perusahaan sejenis, dan 50 adalah rata-rata.

Frekuensi Pembaruan: Setiap Hari

Lihat Pilihan Teratas dari Orang Dalam, yang menyediakan daftar perusahaan dengan akumulasi orang dalam tertinggi.

Skor Sentimen Petugas

Skor Sentimen Pejabat menemukan perusahaan yang dibeli oleh Pejabat Korporat.

Menurut definisi, Pejabat Korporasi adalah Orang Dalam Korporasi, tetapi tidak seperti beberapa Orang Dalam lainnya (Pemegang Saham 10% dan Anggota Dewan), Pejabat bekerja untuk perusahaan setiap hari, dan mereka menggunakan uang mereka sendiri saat bertransaksi . (Pemegang Saham 10% dan Anggota Dewan seringkali adalah manajer dana yang mengelola uang orang lain.) Dengan demikian, transaksi orang dalam yang dilakukan oleh Pejabat jauh lebih signifikan dan harus ditangani dengan tepat.

Seperti Skor Sentimen Internal, Skor Sentimen Pejabat adalah hasil dari model kuantitatif multi-faktor yang canggih yang mengidentifikasi perusahaan dengan tingkat akumulasi pejabat tertinggi.

Frekuensi Pembaruan: Setiap Hari

Lihat Pilihan Teratas dari Orang Dalam, yang menyediakan daftar perusahaan dengan sentimen orang dalam tertinggi.

Metrik Utama Orang Dalam

Kartu ini menunjukkan peringkat perusahaan berdasarkan berbagai metrik internal. Peringkat persentil menunjukkan bagaimana perusahaan ini dibandingkan dengan perusahaan lain di pasar AS. Peringkat yang lebih tinggi menunjukkan situasi yang lebih baik.

Sebagai contoh, secara umum diterima bahwa pembelian oleh orang dalam perusahaan adalah indikator positif, sehingga perusahaan dengan lebih banyak pembelian oleh orang dalam akan mendapat peringkat lebih tinggi daripada perusahaan dengan lebih sedikit pembelian oleh orang dalam (atau bahkan penjualan oleh orang dalam).

Jumlah Bersih Pembelian oleh Orang Dalam (Peringkat)

0 ( )

5797 out of 11323

Jumlah Bersih Pembelian oleh Orang Dalam adalah total jumlah orang dalam yang membeli dikurangi total jumlah orang dalam yang menjual dalam 90 hari terakhir. Peringkat persentil ditunjukkan di sini (kisaran dari 0 hingga 100%).

Persentase Saham yang Dibeli oleh Orang Dalam (Peringkat)

0.000 %( )

5960 out of 11224

Persentase Saham yang Dibeli oleh Orang Dalam adalah total jumlah saham yang dibeli oleh orang dalam dikurangi total jumlah saham yang dijual oleh orang dalam dalam 90 hari terakhir, dibagi dengan total jumlah saham yang beredar dan dikalikan dengan 100.

Grafik Perdagangan Orang Dalam

Grafik berikut menunjukkan Westlake Corporation transaksi orang dalam. Orang dalam adalah pejabat, direktur, atau investor signifikan dalam suatu perusahaan. Secara umum, melakukan transaksi di perusahaan mereka berdasarkan informasi material yang belum dipublikasikan adalah ilegal bagi orang dalam. Ini tidak berarti bahwa mereka dilarang melakukan transaksi apa pun di perusahaan mereka sendiri. Namun, mereka wajib melaporkan semua transaksi kepada SEC melalui Formulir 4.

Daftar Orang Dalam dan Metrik Profitabilitas

Tabel ini menampilkan daftar orang dalam yang diketahui, dan dibuat secara otomatis dari pengajuan yang diungkapkan kepada SEC. Selain nama, jabatan terbaru, dan sebutan direktur, pejabat, atau pemilik 10%, kami memberikan kepemilikan terbaru yang diungkapkan. Selain itu, jika memungkinkan, kami memberikan kinerja perdagangan historis untuk orang dalam tersebut. Kinerja perdagangan historis adalah rata-rata tertimbang dari kinerja transaksi pembelian pasar terbuka aktual yang dilakukan oleh orang dalam tersebut. Untuk informasi lebih lanjut tentang bagaimana ini dihitung, tonton webinar YouTube ini.

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Orang Dalam Rata-rata Keuntungan (%) Saham
Dimiliki
Terbagi
Disesuaikan
E William Barnett Director - [D] 10,559 10,559
Robert T Blakely Director - [D] 10,989 10,989
Simon Bates VP, Building Products - [O] 14,930 14,930
Mark Steven Bender EVP & CFO - [O] 56,968 56,968
Buesinger Robert F. EVP, PEM Segment Head - [O] 0 0
Albert Chao Executive Chairman, Director - [D] [O] 586,885 586,885
Chao Catherine T. Director - [D] 5,580 5,580
David Tsung-Hung Chao Director - [D] 8,912 8,912
James Chao Senior Chairman, Director - [D] [O] 39,741 39,741
John Tsung-chen Chao Director - [D] 7,038 7,038
Donald Marion Jr Condon Sr VP, Corp Bus Dev - [O] 13,106 13,106
Ederington L. Benjamin EVP, PEM, GC and CAO - [O] 76,259 76,259
Orang Dalam Rata-rata Keuntungan (%) Saham
Dimiliki
Terbagi
Disesuaikan
Michael J Graff Director - [D] 21,142 21,142
Marius Haas Director - [D] 11,631 11,631
David R Hansen Sr VP Adminstration - [O] 25,807 25,807
Jeffrey Adam Holy VP and CAO - [O] 4,448 4,448
Janssens Thomas J. SVP, Ops - PEM & Corp Logistic - [O] 17,127 17,127
Dorothy C Jenkins Director, 10% Owner - [D] [10%] 93,479,332 93,479,332
Kearns Roger L. COO and EVP, PEM - [O] 39,849 39,849
Andrew Kenner SVP, Operations - [O] 20,362 20,362
Max L Lukens Director - [D] 9,122 9,122
Kimberly S Lubel Director - [D] 11,653 11,653
Mark A Mccollum Director - [D] 9,656 9,656
George J Mangieri VP & Chief Accounting Officer - [O] 4,671 4,671
Orang Dalam Rata-rata Keuntungan (%) Saham
Dimiliki
Terbagi
Disesuaikan
Mattina Michael J. Sr. VP, Polyethylene - [O] 6,506 6,506
R Bruce Northcutt Director - [D] 21,183 21,183
H John Jr Riley Director - [D] 22,652 22,652
Carolyn Chao Sabat Director - [D] 3,580 3,580
Jeffrey Wayne Sheets Director - [D] 12,759 12,759
Scott Thomas Szwejbka SVP, HIP - [O] 5,819 5,819
Ttwf Lp 10% Owner - [10%] 51,505,277 51,505,277
Ttwfgp Llc 10% Owner - [10%] 1,395,000 1,395,000
Jeffrey L Taylor Sr VP, Polyethylene - [O] 20,206 20,206
Teel Lawrence E. EVP and Special Advisor to CEO - [O] 4,903 4,903
Stephen Wallace VP, General Counsel, Secretary - [O] 25,163 25,163
Johnathan Stevan Zoeller VP and CAO - [O] 4,416 4,416

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Rekam Jejak Pembelian Orang Dalam - Analisis Keuntungan Jangka Pendek

Pada bagian ini, kami menganalisis profitabilitas setiap pembelian saham oleh orang dalam di pasar terbuka yang tidak direncanakan yang dilakukan di WLK / Westlake Corporation. Analisis ini membantu memahami apakah orang dalam tersebut secara konsisten menghasilkan pengembalian abnormal, dan layak untuk diikuti. Analisis ini dilakukan selama satu tahun setelah setiap transaksi, dan hasilnya bersifat teoretis .

Tabel berikut menunjukkan pembelian pasar terbuka terbaru yang bukan bagian dari rencana perdagangan otomatis.

Tanggal Perdagangan Orang Dalam Dilaporkan
Saham
Dilaporkan
Harga
Disesuaikan
Saham
Disesuaikan
Harga
Dasar Biaya Hari-hari menuju
Maksimal
Harga di
Maksimal
Maksimal
Keuntungan ($)
Maksimum Pengembalian (%)
2025-04-22 Buesinger Robert F. 83 93.3900 83 93.3900 7,751 2 94.7500 113 1.46
2021-08-11 Chao Albert 3,000 86.2100 3,000 86.2100 258,630
2020-03-27 TTWFGP LLC 11,287 40.3100 11,287 40.3100 454,979
2020-03-27 TTWFGP LLC 89,443 39.4900 89,443 39.4900 3,532,104
2020-03-27 TTWFGP LLC 42,295 38.4900 42,295 38.4900 1,627,935
2020-03-27 TTWFGP LLC 16,975 37.5800 16,975 37.5800 637,920
2020-03-27 TTWFGP LLC 160,000 39.0800 160,000 39.0800 6,252,800
2020-03-26 TTWFGP LLC 8,800 41.9900 8,800 41.9900 369,512
2020-03-26 TTWFGP LLC 94,001 41.1500 94,001 41.1500 3,868,141

Harga yang Disesuaikan adalah harga yang disesuaikan dengan pemisahan saham. Ang Adjusted Shares ay ang jumlah saham yang disesuaikan dengan pemisahan saham (stock split).

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Rekam Jejak Penjualan Orang Dalam - Analisis Kerugian Jangka Pendek

Dalam bagian ini, kami menganalisis penghindaran kerugian jangka pendek dari setiap penjualan dalam pasar terbuka yang tidak direncanakan oleh orang dalam yang dilakukan di WLK / Westlake Corporation. Pola penghindaran kerugian yang konsisten dapat menunjukkan bahwa transaksi penjualan di masa mendatang dapat memprediksi penurunan harga. Analisis ini berlaku untuk satu tahun setelah setiap perdagangan, dan hasilnya bersifat teoretis .

Tabel berikut menunjukkan penjualan pasar terbuka terbaru yang bukan bagian dari rencana perdagangan otomatis.

Tanggal Perdagangan Orang Dalam Dilaporkan
Saham
Dilaporkan
Harga
Disesuaikan
Saham
Disesuaikan
Harga
Dasar Biaya Hari-hari menuju
Menit
Harga di
Menit
Kerugian Maksimal
Dihindari ($)
Kerugian Maksimal
Dihindari (%)
2025-05-27 Buesinger Robert F. 83 72.7000 83 72.7000 6,034 6 69.8300 -238 -3.95
2024-11-29 Chao David Tsung-Hung 1,750 129.0790 1,750 129.0790 225,888
2024-11-22 Chao David Tsung-Hung 1,750 130.0000 1,750 130.0000 227,500
2024-05-09 Buesinger Robert F. 3,500 158.5000 3,500 158.5000 554,750
2024-05-03 Bender Mark Steven 4,950 152.1900 4,950 152.1900 753,340
2024-03-15 Buesinger Robert F. 3,878 144.5000 3,878 144.5000 560,371
2024-03-13 Buesinger Robert F. 122 144.5000 122 144.5000 17,629
2024-03-06 Bender Mark Steven 4,804 141.0190 4,804 141.0190 677,455
2024-02-26 Bender Mark Steven 4,854 137.5700 4,854 137.5700 667,765

Harga yang Disesuaikan adalah harga yang disesuaikan dengan pemisahan saham. Ang Adjusted Shares ay ang jumlah saham yang disesuaikan dengan pemisahan saham (stock split).

WLK / Westlake Corporation Insider Trades
Riwayat Transaksi

Klik ikon tautan untuk melihat riwayat transaksi lengkap. Transaksi yang dilaporkan sebagai bagian dari rencana perdagangan otomatis 10b5-1 akan memiliki tanda X di kolom yang bertanda 10b-5.

Berkas
Tanggal
Perdagangan
Tanggal
Formulir Orang Dalam Ticker Judul Keamanan Kode 10b5-1 Langsung Latihan
Harga
Satuan
Harga
Unit
Diubah
Nilai
Diubah (1 ribu)
Sisa
Pilihan
Sisa
Saham
2025-08-29 2025-08-28 4 Chao James WLK Common Stock G - Gift D -15,140 39,741
2025-08-11 2025-08-09 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,128 8,912
2025-08-11 2025-08-09 4 Chao Catherine T. WLK Common Stock M - Exercise D 1,128 5,580
2025-08-11 2025-08-09 4 Graff Michael J WLK Common Stock M - Exercise D 1,128 21,142
2025-08-11 2025-08-09 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 1,128 9,656
2025-08-11 2025-08-09 4 Sabat Carolyn Chao WLK Common Stock M - Exercise D 1,128 3,580
2025-08-11 2025-08-09 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,128 21,183
2025-08-11 2025-08-09 4 Lubel Kimberly S WLK Common Stock M - Exercise D 1,128 11,653
2025-08-11 2025-08-09 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,128 12,759
2025-06-09 2025-05-27 4 Buesinger Robert F. by trust WLK Common Stock S - Sale I 72.7000 -83 -6 0
2025-06-09 2025-04-22 4 Buesinger Robert F. by trust WLK Common Stock P - Purchase I 93.3900 83 8 83
2025-04-14 3 Szwejbka Scott Thomas WLK Common Stock D 5,819
2025-03-07 2025-03-05 4/A Chao John Tsung-chen WLK Common Stock F - Taxes D 108.6200 -391 -42 7,038
2025-03-07 2025-02-20 4/A Chao John Tsung-chen WLK Common Stock A - Award D 955 7,664
2025-03-06 2025-03-05 4/A Chao John Tsung-chen WLK Common Stock F - Taxes D 108.6200 -235 -26 7,429
2025-03-06 2025-02-18 4/A Chao John Tsung-chen WLK Common Stock M - Exercise D 513 6,709
2025-02-24 2025-02-21 4 Holy Jeffrey Adam WLK Common Stock F - Taxes D 110.5400 -341 -38 4,448
2025-02-24 2025-02-20 4 Holy Jeffrey Adam WLK Common Stock A - Award D 1,306 4,789
2025-02-24 2025-02-20 4 Chao John Tsung-chen WLK Common Stock A - Award D 955 7,664
2025-02-24 2025-02-21 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 110.5400 -2,924 -323 76,259
2025-02-24 2025-02-20 4 Ederington L. Benjamin WLK Common Stock A - Award D 7,305 79,183
2025-02-24 2025-02-21 4 Janssens Thomas J. WLK Common Stock F - Taxes D 110.5400 -606 -67 17,127
2025-02-24 2025-02-20 4 Janssens Thomas J. WLK Common Stock A - Award D 2,444 17,733
2025-02-24 2025-02-21 4 Chao James WLK Common Stock F - Taxes D 110.5400 -6,554 -724 54,881
2025-02-24 2025-02-20 4 Chao James WLK Common Stock A - Award D 16,375 61,435
2025-02-24 2025-02-21 4 Bender Mark Steven WLK Common Stock F - Taxes D 110.5400 -3,530 -390 56,968
2025-02-24 2025-02-20 4 Bender Mark Steven WLK Common Stock A - Award D 8,819 60,498
2025-02-24 2025-02-21 4 Buesinger Robert F. WLK Common Stock F - Taxes D 110.5400 -2,738 -303 34,932
2025-02-24 2025-02-20 4 Buesinger Robert F. WLK Common Stock A - Award D 6,839 37,670
2025-02-24 2025-02-21 4 Chao Albert WLK Common Stock F - Taxes D 110.5400 -13,390 -1,480 586,885
2025-02-24 2025-02-20 4 Chao Albert WLK Common Stock A - Award D 33,456 600,275
2025-02-20 2025-02-18 4 Chao John Tsung-chen WLK Common Stock M - Exercise D 513 6,709
2025-02-20 2025-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 112.7600 -132 -15 51,679
2025-02-20 2025-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 112.4600 -50 -6 51,811
2025-02-20 2025-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 111.4600 -4,264 -475 51,861
2025-02-20 2025-02-18 4 Bender Mark Steven WLK Common Stock M - Exercise D 13,987 56,125
2025-02-20 2025-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 112.7600 -164 -18 30,831
2025-02-20 2025-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 111.4600 -3,851 -429 30,995
2025-02-20 2025-02-18 4 Buesinger Robert F. WLK Common Stock M - Exercise D 12,923 34,846
2025-02-20 2025-02-19 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 112.7600 -216 -24 71,878
2025-02-20 2025-02-19 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 111.4600 -5,052 -563 72,094
2025-02-20 2025-02-18 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 13,174 77,146
2025-02-20 2025-02-19 4 Janssens Thomas J. WLK Common Stock F - Taxes D 112.5300 -14 -2 15,289
2025-02-20 2025-02-19 4 Janssens Thomas J. WLK Common Stock F - Taxes D 111.4600 -322 -36 15,303
2025-02-20 2025-02-18 4 Janssens Thomas J. WLK Common Stock M - Exercise D 1,313 15,625
2025-02-20 2025-02-19 4 Holy Jeffrey Adam WLK Common Stock F - Taxes D 112.7600 -9 -1 3,483
2025-02-20 2025-02-19 4 Holy Jeffrey Adam WLK Common Stock F - Taxes D 111.4600 -210 -23 3,492
2025-02-20 2025-02-18 4 Holy Jeffrey Adam WLK Common Stock M - Exercise D 702 3,702
2025-02-20 2025-02-19 4 Chao James WLK Common Stock F - Taxes D 112.7600 -94 -11 45,060
2025-02-20 2025-02-19 4 Chao James WLK Common Stock F - Taxes D 111.4600 -2,193 -244 45,154
2025-02-20 2025-02-18 4 Chao James WLK Common Stock M - Exercise D 8,796 47,347
2025-02-20 2025-02-19 4 Chao Albert WLK Common Stock F - Taxes D 112.7300 -249 -28 566,819
2025-02-20 2025-02-19 4 Chao Albert WLK Common Stock F - Taxes D 111.4600 -5,820 -649 567,068
2025-02-20 2025-02-18 4 Chao Albert WLK Common Stock M - Exercise D 17,972 572,888
2025-02-19 2025-02-18 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 115.2900 -1,895 -218 63,972
2025-02-19 2025-02-14 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 7,597 65,867
2025-02-19 2025-02-18 4 Janssens Thomas J. WLK Common Stock F - Taxes D 115.2900 -790 -91 14,312
2025-02-19 2025-02-14 4 Janssens Thomas J. WLK Common Stock M - Exercise D 3,039 15,102
2024-12-02 2024-11-29 4 Chao David Tsung-Hung WLK Common Stock S - Sale D 129.0790 -1,750 -226 7,784
2024-11-25 2024-11-22 4 Chao David Tsung-Hung WLK Common Stock S - Sale D 130.0000 -1,750 -228 9,534
2024-09-03 2024-08-30 4 Chao James WLK Common Stock G - Gift D -6,642 38,551
2024-08-26 2024-08-23 4 Janssens Thomas J. WLK Common Stock D - Sale to Issuer D 149.4840 -14,864 -2,222 12,063
2024-08-26 2024-08-23 4 Janssens Thomas J. WLK Common Stock M - Exercise D 86.5379 4,020 348 26,927
2024-08-26 2024-08-23 4 Janssens Thomas J. WLK Common Stock M - Exercise D 65.8125 6,507 428 22,907
2024-08-26 2024-08-23 4 Janssens Thomas J. WLK Common Stock M - Exercise D 79.8300 4,337 346 16,400
2024-08-19 2024-08-16 4 Chao Albert WLK Common Stock D - Sale to Issuer D 147.0400 -7 -1 554,916
2024-08-19 2024-08-16 4 Chao Albert WLK Common Stock D - Sale to Issuer D 146.6130 -45,291 -6,640 554,923
2024-08-19 2024-08-16 4 Chao Albert WLK Common Stock M - Exercise D 68.0900 45,298 3,084 600,214
2024-08-15 2024-08-14 4 Bender Mark Steven WLK Common Stock F - Taxes D 145.4400 -1,156 -168 42,138
2024-08-15 2024-08-13 4 Bender Mark Steven WLK Common Stock M - Exercise D 2,938 43,294
2024-08-15 2024-08-14 4 Buesinger Robert F. WLK Common Stock F - Taxes D 145.4400 -2,772 -403 21,923
2024-08-15 2024-08-13 4 Buesinger Robert F. WLK Common Stock M - Exercise D 7,051 24,695
2024-08-15 2024-08-14 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 145.4400 -1,156 -168 58,270
2024-08-15 2024-08-13 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 2,938 59,426
2024-08-12 2024-08-11 4 Sabat Carolyn Chao WLK Common Stock M - Exercise D 1,136 2,452
2024-08-12 2024-08-11 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,136 20,055
2024-08-12 2024-08-11 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,136 11,631
2024-08-12 2024-08-11 4 Chao Catherine T. WLK Common Stock M - Exercise D 1,136 4,452
2024-08-12 2024-08-11 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 1,136 8,528
2024-08-12 2024-08-11 4 Lubel Kimberly S WLK Common Stock M - Exercise D 1,136 10,525
2024-08-12 2024-08-11 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,136 11,284
2024-08-12 2024-08-11 4 Graff Michael J WLK Common Stock M - Exercise D 1,136 20,014
2024-08-12 2024-08-11 4 Haas Marius WLK Common Stock M - Exercise D 1,136 11,631
2024-05-13 2024-05-09 4 Buesinger Robert F. WLK Common Stock S - Sale D 158.5000 -3,500 -555 17,644
2024-05-13 2024-05-12 4 Sabat Carolyn Chao WLK Common Stock M - Exercise D 1,316 1,316
2024-05-13 2024-05-12 4 Chao Catherine T. WLK Common Stock M - Exercise D 1,316 3,316
2024-05-08 2024-05-07 4 Buesinger Robert F. WLK Common Stock D - Sale to Issuer D 157.5000 -3,133 -493 21,144
2024-05-08 2024-05-07 4 Buesinger Robert F. WLK Common Stock M - Exercise D 122.6500 3,133 384 24,277
2024-05-06 2024-05-03 4 Bender Mark Steven WLK Common Stock S - Sale D 152.1900 -4,950 -753 40,356
2024-05-02 3 Holy Jeffrey Adam WLK Common Stock D 3,000
2024-04-01 2024-03-28 4 Chao James WLK Common Stock G - Gift D -36,632 45,193
2024-03-22 2024-03-21 4 Zoeller Johnathan Stevan WLK Common Stock D - Sale to Issuer D 150.5650 -657 -99 4,416
2024-03-22 2024-03-21 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 122.6500 68 8 5,073
2024-03-22 2024-03-21 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 108.1175 296 32 5,005
2024-03-22 2024-03-21 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 86.5379 293 25 4,709
2024-03-18 2024-03-15 4 Buesinger Robert F. WLK Common Stock S - Sale D 144.5000 -3,878 -560 21,144
2024-03-14 2024-03-13 4 Buesinger Robert F. WLK Common Stock S - Sale D 144.5000 -122 -18 25,022
2024-03-11 2024-03-07 4 Buesinger Robert F. WLK Common Stock D - Sale to Issuer D 142.5500 -12,670 -1,806 25,144
2024-03-11 2024-03-07 4 Buesinger Robert F. WLK Common Stock M - Exercise D 108.1175 7,665 829 37,814
2024-03-11 2024-03-07 4 Buesinger Robert F. WLK Common Stock M - Exercise D 86.5379 5,005 433 30,149
2024-03-11 2024-03-08 4 Zoeller Johnathan Stevan WLK Common Stock D - Sale to Issuer D 142.0900 -2,776 -394 4,416
2024-03-11 2024-03-08 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 122.6500 649 80 7,192
2024-03-11 2024-03-08 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 108.1175 1,408 152 6,543
2024-03-11 2024-03-08 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 86.5379 719 62 5,135
2024-03-07 2024-03-06 4 Bender Mark Steven WLK Common Stock S - Sale D 141.0190 -4,804 -677 45,306
2024-02-28 2024-02-26 4 Bender Mark Steven WLK Common Stock S - Sale D 137.5700 -4,854 -668 50,110
2024-02-21 2024-02-20 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 138.2990 -67 -9 4,416
2024-02-21 2024-02-20 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 129.9200 -679 -88 4,483
2024-02-21 2024-02-19 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 866 5,162
2024-02-21 2024-02-16 4 Zoeller Johnathan Stevan WLK Common Stock A - Award D 1,736 4,296
2024-02-21 2024-02-20 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 137.2930 -411 -56 56,488
2024-02-21 2024-02-20 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 135.2800 -1 -0 56,899
2024-02-21 2024-02-20 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 135.2700 -1 -0 56,900
2024-02-21 2024-02-20 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 129.9200 -4,205 -546 56,901
2024-02-21 2024-02-19 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 4,388 61,106
2024-02-21 2024-02-16 4 Ederington L. Benjamin WLK Common Stock A - Award D 8,802 56,718
2024-02-21 2024-02-20 4 Janssens Thomas J. WLK Common Stock F - Taxes D 138.6500 -88 -12 12,063
2024-02-21 2024-02-20 4 Janssens Thomas J. WLK Common Stock F - Taxes D 129.9200 -896 -116 12,151
2024-02-21 2024-02-19 4 Janssens Thomas J. WLK Common Stock M - Exercise D 1,170 13,047
2024-02-21 2024-02-16 4 Janssens Thomas J. WLK Common Stock A - Award D 2,346 11,877
2024-02-21 2024-02-20 4 Chao James WLK Common Stock F - Taxes D 136.9710 -1,153 -158 81,825
2024-02-21 2024-02-20 4 Chao James WLK Common Stock F - Taxes D 135.4300 -10 -1 82,978
2024-02-21 2024-02-20 4 Chao James WLK Common Stock F - Taxes D 129.9200 -11,799 -1,533 82,988
2024-02-21 2024-02-19 4 Chao James WLK Common Stock M - Exercise D 10,774 94,787
2024-02-21 2024-02-16 4 Chao James WLK Common Stock A - Award D 21,614 84,013
2024-02-21 2024-02-20 4 Buesinger Robert F. WLK Common Stock F - Taxes D 137.3760 -399 -55 25,144
2024-02-21 2024-02-20 4 Buesinger Robert F. WLK Common Stock F - Taxes D 135.3230 -3 -0 25,543
2024-02-21 2024-02-20 4 Buesinger Robert F. WLK Common Stock F - Taxes D 129.9200 -4,083 -530 25,546
2024-02-21 2024-02-19 4 Buesinger Robert F. WLK Common Stock M - Exercise D 4,283 29,629
2024-02-21 2024-02-16 4 Buesinger Robert F. WLK Common Stock A - Award D 8,592 25,346
2024-02-21 2024-02-20 4 Chao Albert WLK Common Stock F - Taxes D 137.3690 -2,207 -303 554,916
2024-02-21 2024-02-20 4 Chao Albert WLK Common Stock F - Taxes D 135.4300 -12 -2 557,123
2024-02-21 2024-02-20 4 Chao Albert WLK Common Stock F - Taxes D 129.9200 -22,561 -2,931 557,135
2024-02-21 2024-02-19 4 Chao Albert WLK Common Stock M - Exercise D 19,810 579,696
2024-02-21 2024-02-16 4 Chao Albert WLK Common Stock A - Award D 39,738 559,886
2024-02-21 2024-02-20 4 Bender Mark Steven WLK Common Stock F - Taxes D 138.6750 -547 -76 54,964
2024-02-21 2024-02-20 4 Bender Mark Steven WLK Common Stock F - Taxes D 129.9200 -5,597 -727 55,511
2024-02-21 2024-02-19 4 Bender Mark Steven WLK Common Stock M - Exercise D 5,558 61,108
2024-02-21 2024-02-16 4 Bender Mark Steven WLK Common Stock A - Award D 11,150 55,550
2023-12-01 2023-11-30 4 Chao James WLK Common Stock D - Sale to Issuer D 129.1400 -10,981 -1,418 62,399
2023-12-01 2023-11-30 4 Chao James WLK Common Stock D - Sale to Issuer D 128.3700 -57,232 -7,347 73,380
2023-12-01 2023-11-30 4 Chao James WLK Common Stock M - Exercise D 108.1175 9,177 992 130,612
2023-12-01 2023-11-30 4 Chao James WLK Common Stock M - Exercise D 86.5379 24,437 2,115 121,435
2023-12-01 2023-11-30 4 Chao James WLK Common Stock M - Exercise D 65.8125 34,599 2,277 96,998
2023-11-17 2023-11-15 4 Buesinger Robert F. WLK Common Stock S - Sale D 130.5000 -4,215 -550 16,754
2023-09-01 2023-08-31 4 Chao David Tsung-Hung by Trust WLK Common Stock G - Gift I 19,423 19,423
2023-09-01 2023-08-31 4 Chao Catherine T. by Trust WLK Common Stock G - Gift I 19,423 19,423
2023-09-01 2023-08-31 4 Chao Albert WLK Common Stock D - Sale to Issuer D 132.6660 -317 -42 520,148
2023-09-01 2023-08-31 4 Chao Albert WLK Common Stock D - Sale to Issuer D 131.9370 -8,397 -1,108 520,465
2023-09-01 2023-08-31 4 Chao Albert WLK Common Stock D - Sale to Issuer D 131.1960 -11,274 -1,479 528,862
2023-09-01 2023-08-31 4 Chao Albert WLK Common Stock M - Exercise D 63.9775 19,988 1,279 540,136
2023-09-01 2023-08-31 4 Chao James WLK Common Stock G - Gift D -58,268 62,372
2023-09-01 2023-08-31 4 Chao James WLK Common Stock D - Sale to Issuer D 132.4780 -17,998 -2,384 120,640
2023-09-01 2023-08-31 4 Chao James WLK Common Stock D - Sale to Issuer D 131.1530 -226,593 -29,718 138,638
2023-09-01 2023-08-31 4 Chao James WLK Common Stock M - Exercise D 65.8125 43,738 2,879 365,231
2023-09-01 2023-08-31 4 Chao James WLK Common Stock M - Exercise D 79.8300 55,766 4,452 321,493
2023-09-01 2023-08-31 4 Chao James WLK Common Stock M - Exercise D 107.7500 35,321 3,806 265,727
2023-09-01 2023-08-31 4 Chao James WLK Common Stock M - Exercise D 61.8650 62,197 3,848 230,406
2023-09-01 2023-08-31 4 Chao James WLK Common Stock M - Exercise D 44.4200 47,569 2,113 168,209
2023-08-31 2023-08-30 4 Chao James WLK Common Stock D - Sale to Issuer D 133.7030 -30,056 -4,019 120,640
2023-08-31 2023-08-30 4 Chao James WLK Common Stock M - Exercise D 44.4200 17,735 788 150,696
2023-08-31 2023-08-30 4 Chao James WLK Common Stock M - Exercise D 68.0900 12,321 839 132,961
2023-08-31 2023-08-30 4 Ederington L. Benjamin WLK Common Stock D - Sale to Issuer D 134.2670 -13,734 -1,844 47,916
2023-08-31 2023-08-30 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 61.8650 13,734 850 61,650
2023-08-31 2023-08-30 4 Chao Albert WLK Common Stock D - Sale to Issuer D 134.6020 -2,315 -312 520
2023-08-31 2023-08-30 4 Chao Albert WLK Common Stock D - Sale to Issuer D 134.0890 -17,685 -2,371 522,463
2023-08-31 2023-08-30 4 Chao Albert WLK Common Stock M - Exercise D 63.9775 20,000 1,280 540,148
2023-08-31 2023-08-30 4 Buesinger Robert F. WLK Common Stock D - Sale to Issuer D 134.4731 -4,857 -653 20,969
2023-08-31 2023-08-30 4 Buesinger Robert F. WLK Common Stock M - Exercise D 86.5379 4,857 420 25,826
2023-08-30 2023-08-29 4 Janssens Thomas J. WLK Common Stock D - Sale to Issuer D 133.8726 -3,855 -516 9,531
2023-08-30 2023-08-29 4 Janssens Thomas J. WLK Common Stock M - Exercise D 108.1175 1,370 148 13,386
2023-08-30 2023-08-29 4 Janssens Thomas J. WLK Common Stock M - Exercise D 107.7500 2,485 268 12,016
2023-08-30 2023-08-29 4 Buesinger Robert F. WLK Common Stock D - Sale to Issuer D 133.8301 -8,100 -1,084 20,969
2023-08-30 2023-08-29 4 Buesinger Robert F. WLK Common Stock M - Exercise D 65.8125 8,100 533 29,069
2023-08-24 2023-08-23 4 Chao David Tsung-Hung WLK Common Stock S - Sale D 131.0000 -1,000 -131 10,148
2023-08-15 2023-08-14 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 132.1100 -144 -19 2,560
2023-08-15 2023-08-13 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 588 2,704
2023-08-14 2023-08-12 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,446 10,495
2023-08-14 2023-08-12 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,446 18,919
2023-08-14 2023-08-12 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 1,446 7,392
2023-08-14 2023-08-12 4 Lubel Kimberly S WLK Common Stock M - Exercise D 1,446 9,389
2023-08-14 2023-08-12 4 Haas Marius WLK Common Stock M - Exercise D 1,446 10,495
2023-08-14 2023-08-12 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,446 11,148
2023-08-14 2023-08-12 4 Graff Michael J WLK Common Stock M - Exercise D 1,446 18,878
2023-08-09 2023-08-07 4 Bender Mark Steven WLK Common Stock D - Sale to Issuer D 133.9900 -2,625 -352 44,400
2023-08-09 2023-08-07 4 Bender Mark Steven WLK Common Stock D - Sale to Issuer D 133.4800 -19,598 -2,616 47,025
2023-08-09 2023-08-07 4 Bender Mark Steven WLK Common Stock D - Sale to Issuer D 132.4300 -2,416 -320 66,623
2023-08-09 2023-08-07 4 Bender Mark Steven WLK Common Stock M - Exercise D 86.5379 12,606 1,091 69,039
2023-08-09 2023-08-07 4 Bender Mark Steven WLK Common Stock M - Exercise D 107.7500 12,033 1,297 56,433
2023-05-22 2023-05-19 4 Zoeller Johnathan Stevan WLK Common Stock D - Sale to Issuer D 116.6600 -1,963 -229 2,116
2023-05-22 2023-05-19 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 86.5379 1,963 170 4,079
2023-05-11 3 Chao Catherine T. WLK Common Stock D 2,000
2023-05-11 3 Chao Catherine T. TTWF LP & TTWFGP LLC WLK Common Stock I 93,405,554
2023-05-11 3 Sabat Carolyn Chao TTWF LP & TTWFGP LLC WLK Common Stock I 93,405,554
2023-05-10 2023-05-08 4 Bender Mark Steven WLK Common Stock D - Sale to Issuer D 120.0270 -1,084 -130 44,400
2023-05-10 2023-05-08 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 1,084 71 45,484
2023-03-15 2023-03-13 4/A Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 107.3200 -19 -2 2,116
2023-03-15 2023-03-13 4/A Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 104.3200 -358 -37 2,135
2023-03-15 2023-02-17 4/A Zoeller Johnathan Stevan WLK Common Stock A - Award D 1,446 2,493
2023-03-15 2023-03-13 4/A Kearns Roger L. WLK Common Stock F - Taxes D 106.4100 -299 -32 39,849
2023-03-15 2023-03-13 4/A Kearns Roger L. WLK Common Stock F - Taxes D 104.3200 -5,637 -588 40,148
2023-03-15 2023-02-17 4/A Kearns Roger L. WLK Common Stock A - Award D 14,114 45,785
2023-03-15 2023-03-13 4/A Ederington L. Benjamin WLK Common Stock F - Taxes D 105.2900 -234 -25 47,916
2023-03-15 2023-03-13 4/A Ederington L. Benjamin WLK Common Stock F - Taxes D 104.3200 -4,402 -459 48,150
2023-03-15 2023-02-17 4/A Ederington L. Benjamin WLK Common Stock A - Award D 11,022 52,552
2023-03-15 2023-03-13 4/A Janssens Thomas J. WLK Common Stock F - Taxes D 105.8600 -49 -5 9,531
2023-03-15 2023-03-13 4/A Janssens Thomas J. WLK Common Stock F - Taxes D 104.3200 -923 -96 9,580
2023-03-15 2023-02-17 4/A Janssens Thomas J. WLK Common Stock A - Award D 3,086 10,503
2023-03-15 2023-03-13 4/A Chao James WLK Common Stock F - Taxes D 105.1300 -789 -83 120,640
2023-03-15 2023-03-13 4/A Chao James WLK Common Stock F - Taxes D 104.3200 -14,836 -1,548 121,429
2023-03-15 2023-02-17 4/A Chao James WLK Common Stock A - Award D 37,150 136,265
2023-03-15 2023-03-13 4/A Chao Albert WLK Common Stock F - Taxes D 104.7000 -1,109 -116 520,148
2023-03-15 2023-03-13 4/A Chao Albert WLK Common Stock F - Taxes D 104.3200 -20,867 -2,177 521,257
2023-03-15 2023-02-17 4/A Chao Albert WLK Common Stock A - Award D 52,252 542,124
2023-03-15 2023-03-13 4/A Bender Mark Steven WLK Common Stock F - Taxes D 104.7600 -304 -32 44,400
2023-03-15 2023-03-13 4/A Bender Mark Steven WLK Common Stock F - Taxes D 104.3200 -5,728 -598 44,704
2023-03-15 2023-02-17 4/A Bender Mark Steven WLK Common Stock A - Award D 14,342 50,432
2023-03-15 2023-03-13 4/A Buesinger Robert F. WLK Common Stock F - Taxes D 105.2700 -240 -25 20,969
2023-03-15 2023-03-13 4/A Buesinger Robert F. WLK Common Stock F - Taxes D 104.3200 -4,512 -471 21,209
2023-03-15 2023-02-17 4/A Buesinger Robert F. WLK Common Stock A - Award D 11,298 25,721
2023-02-28 2023-02-27 4 Bender Mark Steven WLK Common Stock D - Sale to Issuer D 120.5000 -3,000 -362 50,432
2023-02-28 2023-02-27 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 3,000 197 53,432
2023-02-28 2023-02-27 4 Zoeller Johnathan Stevan WLK Common Stock D - Sale to Issuer D 120.6464 -1,689 -204 2,493
2023-02-28 2023-02-27 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 65.8125 1,038 68 4,182
2023-02-28 2023-02-27 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 79.8300 651 52 3,144
2023-02-17 2023-02-17 4 Kearns Roger L. WLK Common Stock A - Award D 14,114 45,785
2023-02-17 2023-02-17 4 Zoeller Johnathan Stevan WLK Common Stock A - Award D 1,446 2,493
2023-02-17 2023-02-17 4 Janssens Thomas J. WLK Common Stock A - Award D 3,086 10,503
2023-02-17 2023-02-17 4 Ederington L. Benjamin WLK Common Stock A - Award D 11,022 52,552
2023-02-17 2023-02-17 4 Chao James WLK Common Stock A - Award D 37,150 136,265
2023-02-17 2023-02-17 4 Buesinger Robert F. WLK Common Stock A - Award D 11,298 25,721
2023-02-17 2023-02-17 4 Chao Albert WLK Common Stock A - Award D 52,252 542,124
2023-02-17 2023-02-17 4 Bender Mark Steven WLK Common Stock A - Award D 14,342 50,432
2023-02-16 2023-02-15 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 122.6300 -3 -0 1,047
2023-02-16 2023-02-15 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 121.8600 -214 -26 1,050
2023-02-16 2023-02-14 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 721 1,264
2023-02-16 2023-02-15 4 Kearns Roger L. WLK Common Stock F - Taxes D 122.3900 -24 -3 31,671
2023-02-16 2023-02-15 4 Kearns Roger L. WLK Common Stock F - Taxes D 121.8600 -1,730 -211 31,695
2023-02-16 2023-02-14 4 Kearns Roger L. WLK Common Stock M - Exercise D 7,036 33,425
2023-02-16 2023-02-15 4 Chao James WLK Common Stock F - Taxes D 122.4500 -85 -10 99,115
2023-02-16 2023-02-15 4 Chao James WLK Common Stock F - Taxes D 121.8600 -6,074 -740 99,200
2023-02-16 2023-02-14 4 Chao James WLK Common Stock M - Exercise D 18,519 105,274
2023-02-16 2023-02-15 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 122.5100 -19 -2 41,530
2023-02-16 2023-02-15 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 121.8600 -1,364 -166 41,549
2023-02-16 2023-02-14 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 5,495 42,913
2023-02-16 2023-02-15 4 Janssens Thomas J. WLK Common Stock F - Taxes D 122.4300 -5 -1 7,417
2023-02-16 2023-02-15 4 Janssens Thomas J. WLK Common Stock F - Taxes D 121.8600 -413 -50 7,422
2023-02-16 2023-02-14 4 Janssens Thomas J. WLK Common Stock M - Exercise D 1,538 7,835
2023-02-16 2023-02-15 4 Buesinger Robert F. WLK Common Stock F - Taxes D 122.4100 -20 -2 14,423
2023-02-16 2023-02-15 4 Buesinger Robert F. WLK Common Stock F - Taxes D 121.8600 -1,397 -170 14,443
2023-02-16 2023-02-14 4 Buesinger Robert F. WLK Common Stock M - Exercise D 5,632 15,840
2023-02-16 2023-02-15 4 Chao Albert WLK Common Stock F - Taxes D 122.5700 -127 -16 489,872
2023-02-16 2023-02-15 4 Chao Albert WLK Common Stock F - Taxes D 121.8600 -9,032 -1,101 489,999
2023-02-16 2023-02-14 4 Chao Albert WLK Common Stock M - Exercise D 26,048 499,031
2023-02-16 2023-02-15 4 Bender Mark Steven WLK Common Stock F - Taxes D 122.5600 -25 -3 36,090
2023-02-16 2023-02-15 4 Bender Mark Steven WLK Common Stock F - Taxes D 121.8600 -1,760 -214 36,115
2023-02-16 2023-02-14 4 Bender Mark Steven WLK Common Stock M - Exercise D 7,150 37,875
2022-09-01 2022-08-31 4 Buesinger Robert F. WLK Common Stock S - Sale D 98.9400 -1,000 -99 10,208
2022-08-29 2022-08-26 4 Zoeller Johnathan Stevan WLK Common Stock S - Sale D 107.0800 -542 -58 543
2022-08-24 2022-08-23 4 Buesinger Robert F. WLK Common Stock G - Gift D -572 11,208
2022-08-15 2022-08-13 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 1,763 5,946
2022-08-15 2022-08-13 4 Graff Michael J WLK Common Stock M - Exercise D 1,763 17,432
2022-08-15 2022-08-13 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,763 9,702
2022-08-15 2022-08-13 4 Haas Marius WLK Common Stock M - Exercise D 1,763 9,049
2022-08-15 2022-08-13 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,763 73,778
2022-08-15 2022-08-13 4 Lubel Kimberly S WLK Common Stock M - Exercise D 1,763 7,943
2022-08-15 2022-08-13 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,763 17,473
2022-08-15 2022-08-13 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,763 9,049
2022-06-02 2022-06-02 4 Chao James WLK Common Stock G - Gift D -38,836 86,755
2022-05-31 2022-05-27 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 86.54 -4,856 9,862
2022-05-31 2022-05-27 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 107.75 -9,571 0
2022-05-31 2022-05-27 4 Buesinger Robert F. WLK Common Stock S - Sale D 129.4670 -14,427 -1,868 11,780
2022-05-31 2022-05-27 4 Buesinger Robert F. WLK Common Stock M - Exercise D 86.5379 4,856 420 26,207
2022-05-31 2022-05-27 4 Buesinger Robert F. WLK Common Stock M - Exercise D 107.7500 9,571 1,031 21,351
2022-05-23 2022-05-19 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 45.70 -37,876 0
2022-05-23 2022-05-19 4 Chao Albert WLK Common Stock S - Sale D 129.3780 -5,045 -653 472,983
2022-05-23 2022-05-19 4 Chao Albert WLK Common Stock S - Sale D 130.1955 -20,815 -2,710 478,028
2022-05-23 2022-05-19 4 Chao Albert WLK Common Stock S - Sale D 131.1127 -12,016 -1,575 498,843
2022-05-23 2022-05-19 4 Chao Albert WLK Common Stock M - Exercise D 45.6975 37,876 1,731 510,859
2022-05-18 2022-05-17 4 Kearns Roger L. WLK Employee Option (right to buy) M - Exercise D 79.83 -8,388 0
2022-05-18 2022-05-17 4 Kearns Roger L. WLK Common Stock S - Sale D 136.2350 -8,388 -1,143 26,389
2022-05-18 2022-05-17 4 Kearns Roger L. WLK Common Stock M - Exercise D 79.8300 8,388 670 34,777
2022-05-06 2022-05-05 4 Ederington L. Benjamin WLK Employee Option (right to buy) M - Exercise D 44.42 -12,569 0
2022-05-06 2022-05-05 4 Ederington L. Benjamin WLK Common Stock S - Sale D 139.2600 -3,143 -438 37,418
2022-05-06 2022-05-05 4 Ederington L. Benjamin WLK Common Stock S - Sale D 140.0000 -9,426 -1,320 40,561
2022-05-06 2022-05-05 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 44.4200 12,569 558 49,987
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -3,960 0
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -2,061 0
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Common Stock S - Sale D 124.9900 -100 -12 30,725
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Common Stock S - Sale D 124.3430 -5,921 -736 30,825
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 3,960 261 36,746
2022-04-01 2022-03-31 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 2,061 165 32,786
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -3,000 3,960
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -3,000 3,960
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Common Stock S - Sale D 125.0960 -3,062 -383 30,725
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Common Stock S - Sale D 124.4950 -2,938 -366 33,787
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 3,000 197 36,725
2022-03-31 2022-03-30 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 3,000 239 33,725
2022-03-30 2022-03-29 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -2,000 6,960
2022-03-30 2022-03-29 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -2,000 6,960
2022-03-30 2022-03-29 4 Bender Mark Steven WLK Common Stock S - Sale D 122.4370 -4,000 -490 30,725
2022-03-30 2022-03-29 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 2,000 132 34,725
2022-03-30 2022-03-29 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 2,000 160 32,725
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Employee Option (right to buy) M - Exercise D 86.54 -6,202 0
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Employee Option (right to buy) M - Exercise D 79.83 -4,131 8,388
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Common Stock S - Sale D 126.4020 -2,861 -362 26,389
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Common Stock S - Sale D 125.8420 -7,472 -940 29,250
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Common Stock M - Exercise D 86.5379 6,202 537 36,722
2022-03-28 2022-03-25 4 Kearns Roger L. WLK Common Stock M - Exercise D 79.8300 4,131 330 30,520
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -4,000 8,960
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -4,000 8,960
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Common Stock S - Sale D 125.7410 -2,947 -371 30,725
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Common Stock S - Sale D 125.1070 -5,053 -632 33,672
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 4,000 263 38,725
2022-03-28 2022-03-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 4,000 319 34,725
2022-03-25 2022-03-24 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -4,000 12,960
2022-03-25 2022-03-24 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -4,000 12,960
2022-03-25 2022-03-24 4 Bender Mark Steven WLK Common Stock S - Sale D 125.3837 -8,000 -1,003 30,725
2022-03-25 2022-03-24 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 4,000 263 38,725
2022-03-25 2021-03-24 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 4,000 319 34,725
2022-03-25 2022-03-24 4 Kearns Roger L. WLK Common Stock G - Gift D -2,000 26,389
2022-03-24 2022-03-23 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 79.83 -3,000 16,960
2022-03-24 2022-03-23 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 65.81 -3,000 16,960
2022-03-24 2022-03-23 4 Bender Mark Steven WLK Common Stock S - Sale D 125.6860 -344 -43 30,725
2022-03-24 2022-03-23 4 Bender Mark Steven WLK Common Stock S - Sale D 125.1370 -5,656 -708 31,069
2022-03-24 2022-03-23 4 Bender Mark Steven WLK Common Stock M - Exercise D 65.8125 3,000 197 36,725
2022-03-24 2021-03-23 4 Bender Mark Steven WLK Common Stock M - Exercise D 79.8300 3,000 239 33,725
2022-03-21 2022-02-18 4 Chao John Tsung-chen WLK Restricted Stock Units A - Award D 513 513
2022-03-21 2022-02-18 4 Chao John Tsung-chen WLK Employee Option (right to buy) A - Award D 108.12 1,623 1,623
2022-03-16 2022-03-15 4 Buesinger Robert F. WLK Common Stock G - Gift D -500 11,780
2022-03-15 2022-03-14 4/A Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 118.5100 -71 -8 1,085
2022-03-15 2022-02-18 4/A Zoeller Johnathan Stevan WLK Common Stock A - Award D 285 1,156
2022-03-15 2022-03-14 4/A Bender Mark Steven WLK Common Stock F - Taxes D 118.5100 -2,810 -333 30,725
2022-03-15 2022-02-18 4/A Bender Mark Steven WLK Common Stock A - Award D 7,922 33,535
2022-03-15 2022-03-14 4 Janssens Thomas J. WLK Common Stock F - Taxes D 120.3710 -1 -0 6,297
2022-03-15 2022-03-14 4 Janssens Thomas J. WLK Common Stock F - Taxes D 118.5100 -467 -55 6,298
2022-03-15 3/A Janssens Thomas J. WLK Common Stock D 6,765
2022-03-15 2022-03-14 4/A Kearns Roger L. WLK Common Stock F - Taxes D 120.2450 -3 -0 28,389
2022-03-15 2022-03-14 4/A Kearns Roger L. WLK Common Stock F - Taxes D 118.5100 -2,177 -258 28,392
2022-03-15 2022-02-18 4/A Kearns Roger L. WLK Common Stock A - Award D 5,491 30,569
2022-03-15 2022-03-14 4/A Buesinger Robert F. WLK Common Stock F - Taxes D 120.2450 -3 -0 12,280
2022-03-15 2022-03-14 4/A Buesinger Robert F. WLK Common Stock F - Taxes D 118.5100 -2,556 -303 12,283
2022-03-15 2022-02-18 4/A Buesinger Robert F. WLK Common Stock A - Award D 6,446 17,569
2022-03-15 2022-03-14 4/A Ederington L. Benjamin WLK Common Stock F - Taxes D 120.4500 -3 -0 37,418
2022-03-15 2022-03-14 4/A Ederington L. Benjamin WLK Common Stock F - Taxes D 118.5100 -2,507 -297 37,421
2022-03-15 2022-02-18 4/A Ederington L. Benjamin WLK Common Stock A - Award D 6,323 39,928
2022-03-15 2022-03-14 4/A Chao James WLK Common Stock F - Taxes D 118.5100 -9,710 -1,151 125,591
2022-03-15 2022-02-18 4/A Chao James WLK Common Stock A - Award D 24,461 135,301
2022-03-15 2022-03-14 4/A Chao Albert WLK Common Stock F - Taxes D 118.5100 -12,138 -1,438 472,983
2022-03-15 2022-02-18 4/A Chao Albert WLK Common Stock A - Award D 30,577 485,121
2022-03-14 2022-03-10 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 65.81 -7,861 8,100
2022-03-14 2022-03-10 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 79.83 -14,694 0
2022-03-14 2022-03-10 4 Buesinger Robert F. WLK Common Stock S - Sale D 117.6100 -22,555 -2,653 14,839
2022-03-14 2022-03-10 4 Buesinger Robert F. WLK Common Stock M - Exercise D 65.8125 7,861 517 37,394
2022-03-14 2022-03-10 4 Buesinger Robert F. WLK Common Stock M - Exercise D 79.8300 14,694 1,173 29,533
2022-03-10 2022-03-09 4 Buesinger Robert F. WLK Common Stock S - Sale D 115.5500 -2,730 -315 14,839
2022-03-04 2022-03-03 4 MCCOLLUM MARK A WLK Common Stock G - Gift D -3,000 4,183
2022-03-02 3 Janssens Thomas J. WLK Common Stock D 6,766
2022-03-02 2022-03-01 4 Zoeller Johnathan Stevan WLK Employee Option (right to buy) M - Exercise D 65.81 -1,006 1,038
2022-03-02 2022-03-01 4 Zoeller Johnathan Stevan WLK Common Stock S - Sale D 110.3900 -1,006 -111 1,157
2022-03-02 2022-03-01 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 65.8125 1,006 66 2,163
2022-02-22 2022-02-18 4 Zoeller Johnathan Stevan WLK Restricted Stock Units A - Award D 817 817
2022-02-22 2022-02-18 4 Zoeller Johnathan Stevan WLK Employee Option (right to buy) A - Award D 108.12 2,582 2,582
2022-02-22 2022-02-18 4 Zoeller Johnathan Stevan WLK Common Stock A - Award D 286 1,157
2022-02-22 2022-02-18 4 Kenner Andrew WLK Restricted Stock Units A - Award D 2,218 2,218
2022-02-22 2022-02-18 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 108.12 7,011 7,011
2022-02-22 2022-02-18 4 Kenner Andrew WLK Common Stock A - Award D 4,764 20,362
2022-02-22 2022-02-18 4 Kearns Roger L. WLK Common Stock A - Award D 5,491 30,569
2022-02-22 2022-02-18 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 14,485 14,485
2022-02-22 2022-02-18 4 Kearns Roger L. WLK Employee Option (right to buy) A - Award D 108.12 16,554 16,554
2022-02-22 2022-02-18 4 Ederington L. Benjamin WLK Common Stock A - Award D 6,323 39,928
2022-02-22 2022-02-18 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 13,174 13,174
2022-02-22 2022-02-18 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 108.12 12,408 12,408
2022-02-22 2022-02-18 4 Chao Albert WLK Restricted Stock Units A - Award D 17,972 17,972
2022-02-22 2022-02-18 4 Chao Albert WLK Employee Option (right to buy) A - Award D 108.12 56,819 56,819
2022-02-22 2022-02-18 4 Chao James WLK Common Stock A - Award D 24,462 135,302
2022-02-22 2022-02-18 4 Chao James WLK Restricted Stock Units A - Award D 8,796 8,796
2022-02-22 2022-02-18 4 Chao James WLK Employee Option (right to buy) A - Award D 108.12 27,810 27,810
2022-02-22 2022-02-18 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 12,923 12,923
2022-02-22 2022-02-18 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 108.12 11,615 11,615
2022-02-22 2022-02-18 4 Chao Albert WLK Common Stock A - Award D 30,577 485,121
2022-02-22 2022-02-18 4 Buesinger Robert F. WLK Common Stock A - Award D 6,446 17,569
2022-02-22 2022-02-18 4 Bender Mark Steven WLK Common Stock A - Award D 7,923 33,536
2022-02-22 2022-02-18 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 13,987 13,987
2022-02-22 2022-02-18 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 108.12 14,980 14,980
2022-02-17 2022-02-16 4 Chao James WLK Common Stock F - Taxes D 106.1800 -20 -2 110,840
2022-02-17 2022-02-16 4 Chao James WLK Common Stock F - Taxes D 105.9690 -27 -3 110,860
2022-02-17 2022-02-16 4 Chao James WLK Common Stock F - Taxes D 104.9600 -4,308 -452 110,887
2022-02-17 2022-02-15 4 Chao James WLK Restricted Stock Units M - Exercise D -14,683 0
2022-02-17 2022-02-15 4 Chao James WLK Common Stock M - Exercise D 14,683 115,195
2022-02-17 2022-02-16 4 Chao Albert WLK Common Stock F - Taxes D 105.9690 -27 -3 454,544
2022-02-17 2022-02-16 4 Chao Albert WLK Common Stock F - Taxes D 104.9600 -5,722 -601 454,571
2022-02-17 2022-02-15 4 Chao Albert WLK Restricted Stock Units M - Exercise D -18,354 0
2022-02-17 2022-02-15 4 Chao Albert WLK Common Stock M - Exercise D 18,354 460,293
2022-02-17 2022-02-16 4 Bender Mark Steven WLK Common Stock F - Taxes D 104.9600 -1,166 -122 25,613
2022-02-17 2022-02-15 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -4,755 0
2022-02-17 2022-02-15 4 Bender Mark Steven WLK Common Stock M - Exercise D 4,755 26,779
2022-02-17 2022-02-16 4 Buesinger Robert F. WLK Common Stock F - Taxes D 104.9600 -963 -101 11,123
2022-02-17 2022-02-15 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -3,869 0
2022-02-17 2022-02-15 4 Buesinger Robert F. WLK Common Stock M - Exercise D 3,869 12,086
2022-02-17 2022-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 105.9700 -3 -0 15,598
2022-02-17 2022-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 104.9600 -722 -76 15,601
2022-02-17 2022-02-15 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -2,859 0
2022-02-17 2022-02-15 4 Kenner Andrew WLK Common Stock M - Exercise D 2,859 16,323
2022-02-17 2022-02-16 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 104.9600 -942 -99 33,605
2022-02-17 2022-02-16 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 106.1800 -4 -0 34,547
2022-02-17 2022-02-15 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -3,796 0
2022-02-17 2022-02-15 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 3,796 34,551
2022-02-17 2022-02-16 4 Kearns Roger L. WLK Common Stock F - Taxes D 106.1160 -4 -0 25,078
2022-02-17 2022-02-16 4 Kearns Roger L. WLK Common Stock F - Taxes D 104.9600 -812 -85 25,082
2022-02-17 2022-02-15 4 Kearns Roger L. WLK Restricted Stock Units M - Exercise D -3,296 0
2022-02-17 2022-02-15 4 Kearns Roger L. WLK Common Stock M - Exercise D 3,296 25,894
2022-02-17 2022-02-16 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 104.9600 -51 -5 871
2022-02-17 2022-02-15 4 Zoeller Johnathan Stevan WLK Restricted Stock Units M - Exercise D -172 0
2022-02-17 2022-02-15 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 172 922
2021-12-06 2021-12-02 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 30.05 -30,787 0
2021-12-06 2021-12-02 4 Chao Albert WLK Common Stock S - Sale D 92.2900 -20,327 -1,876 441,939
2021-12-06 2021-12-02 4 Chao Albert WLK Common Stock S - Sale D 91.5200 -7,585 -694 462,266
2021-12-06 2021-12-02 4 Chao Albert WLK Common Stock S - Sale D 90.1200 -1,175 -106 469,851
2021-12-06 2021-12-02 4 Chao Albert WLK Common Stock S - Sale D 89.2500 -1,700 -152 471,026
2021-12-06 2021-12-02 4 Chao Albert WLK Common Stock M - Exercise D 30.0525 30,787 925 472,726
2021-12-03 2021-12-02 4 Chao James WLK Employee Option (right to buy) M - Exercise D 30.05 -16,420 0
2021-12-03 2021-12-02 4 Chao James WLK Common Stock M - Exercise D 30.0525 16,420 493 100,512
2021-12-03 2021-12-01 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 30.05 -30,787 30,787
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 94.8000 -3,789 -359 441,939
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 93.9800 -4,300 -404 445,728
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 92.7800 -4,200 -390 450,028
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 91.8300 -5,842 -536 454,228
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 90.4700 -3,000 -271 460,070
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock S - Sale D 89.4700 -9,656 -864 463,070
2021-12-03 2021-12-01 4 Chao Albert WLK Common Stock M - Exercise D 30.0525 30,787 925 472,726
2021-11-15 2021-11-11 4 Bender Mark Steven WLK Common Stock S - Sale D 101.5700 -2,369 -241 22,024
2021-11-10 2021-11-08 4 Bender Mark Steven WLK Common Stock S - Sale D 100.7720 -631 -64 24,393
2021-11-08 2021-11-05 4 Bender Mark Steven WLK Common Stock S - Sale D 98.7960 -6,356 -628 25,024
2021-08-24 2021-08-24 4 Zoeller Johnathan Stevan WLK Common Stock F - Taxes D 84.0600 -236 -20 750
2021-08-24 2021-08-20 4 Zoeller Johnathan Stevan WLK Restricted Stock Units M - Exercise D -986 0
2021-08-24 2021-08-20 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 986 986
2021-08-16 2021-08-13 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 7,051 7,051
2021-08-16 2021-08-13 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 2,938 2,938
2021-08-16 2021-08-13 4 Zoeller Johnathan Stevan WLK Restricted Stock Units A - Award D 588 588
2021-08-16 2021-08-13 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 2,938 2,938
2021-08-16 2021-08-14 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 2,400 15,710
2021-08-16 2021-08-13 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Sheets Jeffrey Wayne WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 2,400 7,286
2021-08-16 2021-08-13 4 Sheets Jeffrey Wayne WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Lubel Kimberly S WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Lubel Kimberly S WLK Common Stock M - Exercise D 2,400 6,180
2021-08-16 2021-08-13 4 Lubel Kimberly S WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 MCCOLLUM MARK A WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 2,400 7,183
2021-08-16 2021-08-13 4 MCCOLLUM MARK A WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 2,400 72,015
2021-08-16 2021-08-13 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Graff Michael J WLK Common Stock M - Exercise D 2,400 15,669
2021-08-16 2021-08-13 4 Graff Michael J WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Haas Marius WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Haas Marius WLK Common Stock M - Exercise D 2,400 7,286
2021-08-16 2021-08-13 4 Haas Marius WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Chao David Tsung-Hung WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 2,400 7,939
2021-08-16 2021-08-13 4 Chao David Tsung-Hung WLK Restricted Stock Units A - Award D 1,763 1,763
2021-08-16 2021-08-14 4 Chao John Tsung-chen WLK Restricted Stock Units M - Exercise D -2,400 0
2021-08-16 2021-08-14 4 Chao John Tsung-chen WLK Common Stock M - Exercise D 2,400 6,196
2021-08-12 2021-08-11 4 Chao Albert WLK Common Stock P - Purchase D 86.2100 3,000 259 441,939
2021-05-24 2021-05-21 4 Kearns Roger L. WLK Common Stock G - Gift D -3,000 22,598
2021-05-17 2021-05-15 4 Lubel Kimberly S WLK Restricted Stock Units M - Exercise D -3,780 0
2021-05-17 2021-05-15 4 Lubel Kimberly S WLK Common Stock M - Exercise D 3,780 3,780
2021-05-11 2021-05-10 4 Buesinger Robert F. WLK Common Stock S - Sale D 105.0000 -5,000 -525 8,217
2021-03-18 2021-03-18 4 Buesinger Robert F. WLK Common Stock G - Gift D -82 13,217
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 61.86 -5,000 0
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 45.70 -10,740 0
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Common Stock S - Sale D 95.2300 -5,820 -554 31,380
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Common Stock S - Sale D 94.3900 -9,920 -936 37,200
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Common Stock M - Exercise D 61.8650 5,000 309 47,120
2021-03-15 2021-03-12 4 Bender Mark Steven WLK Common Stock M - Exercise D 45.6975 10,740 491 42,120
2021-03-10 2021-03-09 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 61.86 -15,995 5,000
2021-03-10 2021-03-09 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 63.98 -9,816 0
2021-03-10 2021-03-09 4 Bender Mark Steven WLK Common Stock S - Sale D 92.2719 -25,811 -2,382 31,380
2021-03-10 2021-03-09 4 Bender Mark Steven WLK Common Stock M - Exercise D 61.8650 15,995 990 57,191
2021-03-10 2021-03-09 4 Bender Mark Steven WLK Common Stock M - Exercise D 63.9775 9,816 628 41,196
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 65.81 -7,861 15,961
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 61.86 -8,652 0
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Common Stock S - Sale D 95.0000 -7,861 -747 13,299
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Common Stock S - Sale D 92.5000 -8,652 -800 21,160
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Common Stock M - Exercise D 65.8125 7,861 517 29,812
2021-03-09 2021-03-08 4 Buesinger Robert F. WLK Common Stock M - Exercise D 61.8650 8,652 535 21,951
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock S - Sale D 87.1400 -4,902 -427 4,903
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock S - Sale D 86.9270 -28,547 -2,482 9,805
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock M - Exercise D 61.8650 6,928 429 38,352
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock M - Exercise D 79.8300 9,698 774 31,424
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock M - Exercise D 65.8125 7,861 517 21,726
2021-02-26 2021-02-25 4 Teel Lawrence E. WLK Common Stock M - Exercise D 44.4200 4,060 180 13,865
2021-02-26 2020-02-25 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 61.86 -6,928 0
2021-02-26 2020-02-25 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 79.83 -9,698 4,996
2021-02-26 2020-02-25 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 65.81 -7,861 15,961
2021-02-26 2020-02-25 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 44.42 -4,060 0
2021-02-26 2021-02-25 4 Zoeller Johnathan Stevan WLK Employee Option (right to buy) M - Exercise D 65.81 -1,006 2,044
2021-02-26 2021-02-25 4 Zoeller Johnathan Stevan WLK Common Stock S - Sale D 86.9350 -1,006 -87 0
2021-02-26 2021-02-25 4 Zoeller Johnathan Stevan WLK Common Stock M - Exercise D 65.8125 1,006 66 1,006
2021-02-22 2021-02-19 4 Zoeller Johnathan Stevan WLK Restricted Stock Units A - Award D 866 866
2021-02-22 2021-02-19 4 Zoeller Johnathan Stevan WLK Employee Option (right to buy) A - Award D 86.54 2,975 2,975
2021-02-22 2021-02-19 4 Kenner Andrew WLK Restricted Stock Units A - Award D 2,717 2,717
2021-02-22 2021-02-19 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 86.54 9,336 9,336
2021-02-22 2021-02-19 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 5,470 5,470
2021-02-22 2021-02-19 4 Kearns Roger L. WLK Employee Option (right to buy) A - Award D 86.54 18,796 18,796
2021-02-22 2021-02-19 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 4,388 4,388
2021-02-22 2021-02-19 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 86.54 15,079 15,079
2021-02-22 2021-02-19 4 Chao James WLK Restricted Stock Units A - Award D 10,774 10,774
2021-02-22 2021-02-19 4 Chao James WLK Employee Option (right to buy) A - Award D 86.54 37,026 37,026
2021-02-22 2021-02-19 4 Chao Albert WLK Restricted Stock Units A - Award D 19,810 19,810
2021-02-22 2021-02-19 4 Chao Albert WLK Employee Option (right to buy) A - Award D 86.54 68,074 68,074
2021-02-22 2021-02-19 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 4,283 4,283
2021-02-22 2021-02-19 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 86.54 14,718 14,718
2021-02-22 2021-02-19 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 5,558 5,558
2021-02-22 2021-02-19 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 86.54 19,100 19,100
2021-02-18 2021-02-16 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -2,472 0
2021-02-18 2021-02-16 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 2,472 30,755
2021-02-18 2021-02-18 4 Bender Mark Steven WLK Common Stock F - Taxes D 85.0820 -808 -69 31,380
2021-02-18 2021-02-16 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -3,230 0
2021-02-18 2021-02-16 4 Bender Mark Steven WLK Common Stock M - Exercise D 3,230 32,188
2021-02-18 2021-02-18 4 Buesinger Robert F. WLK Common Stock F - Taxes D 85.0790 -641 -55 13,299
2021-02-18 2021-02-16 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -2,569 0
2021-02-18 2021-02-16 4 Buesinger Robert F. WLK Common Stock M - Exercise D 2,569 13,940
2021-02-18 2021-02-18 4 Chao Albert WLK Common Stock F - Taxes D 85.0790 -3,685 -314 438,939
2021-02-18 2021-02-16 4 Chao Albert WLK Restricted Stock Units M - Exercise D -11,983 0
2021-02-18 2021-02-16 4 Chao Albert WLK Common Stock M - Exercise D 11,983 442,624
2021-02-18 2021-02-18 4 Chao James WLK Common Stock F - Taxes D 85.0830 -2,537 -216 84,092
2021-02-18 2021-02-16 4 Chao James WLK Restricted Stock Units M - Exercise D -9,480 0
2021-02-18 2021-02-16 4 Chao James WLK Common Stock M - Exercise D 9,480 86,629
2021-02-18 2021-02-18 4 Kenner Andrew WLK Common Stock F - Taxes D 85.0790 -476 -40 13,464
2021-02-18 2021-02-16 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -1,924 0
2021-02-18 2021-02-16 4 Kenner Andrew WLK Common Stock M - Exercise D 1,924 13,940
2021-02-18 2021-02-18 4 Teel Lawrence E. WLK Common Stock F - Taxes D 85.0820 -572 -49 9,805
2021-02-18 2021-02-16 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -2,295 0
2021-02-18 2021-02-16 4 Teel Lawrence E. WLK Common Stock M - Exercise D 2,295 10,377
2021-02-17 2021-02-16 4 Teel Lawrence E. WLK Common Stock F - Taxes D 87.4336 -3 -0 8,082
2021-02-17 2021-02-16 4 Teel Lawrence E. WLK Common Stock F - Taxes D 85.7300 -319 -27 8,085
2021-02-17 2021-02-14 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -1,112 0
2021-02-17 2021-02-14 4 Teel Lawrence E. WLK Common Stock M - Exercise D 1,112 8,404
2021-02-17 2021-02-16 4 Bender Mark Steven WLK Common Stock F - Taxes D 87.3800 -4 -0 28,958
2021-02-17 2021-02-16 4 Bender Mark Steven WLK Common Stock F - Taxes D 85.7300 398 34 28,962
2021-02-17 2021-02-14 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -1,478 0
2021-02-17 2021-02-14 4 Bender Mark Steven WLK Common Stock M - Exercise D 1,478 29,360
2021-02-17 2021-02-16 4 Bender Mark Steven WLK Common Stock F - Taxes D 87.3800 -4 -0 28,958
2021-02-17 2021-02-16 4 Bender Mark Steven WLK Common Stock F - Taxes D 85.7300 398 34 28,962
2021-02-17 2021-02-14 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -1,478 0
2021-02-17 2021-02-14 4 Bender Mark Steven WLK Common Stock M - Exercise D 1,478 29,360
2021-02-17 2021-02-16 4 Buesinger Robert F. WLK Common Stock F - Taxes D 87.4320 -4 -0 11,371
2021-02-17 2021-02-16 4 Buesinger Robert F. WLK Common Stock F - Taxes D 85.7300 -322 -28 11,375
2021-02-17 2021-02-14 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -1,128 0
2021-02-17 2021-02-14 4 Buesinger Robert F. WLK Common Stock M - Exercise D 1,128 11,697
2021-02-17 2021-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 88.0400 -3 -0 12,016
2021-02-17 2021-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 85.7300 -248 -21 12,019
2021-02-17 2021-02-14 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -830 0
2021-02-17 2021-02-14 4 Kenner Andrew WLK Common Stock M - Exercise D 830 12,267
2021-02-17 2021-02-16 4 Chao Albert WLK Common Stock F - Taxes D 85.7300 -971 -83 430,641
2021-02-17 2021-02-16 4 Chao Albert WLK Common Stock F - Taxes D 87.6900 -10 -1 431,612
2021-02-17 2021-02-14 4 Chao Albert WLK Restricted Stock Units M - Exercise D -3,966 0
2021-02-17 2021-02-14 4 Chao Albert WLK Common Stock M - Exercise D 3,966 431,622
2021-02-17 2021-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 88.0400 -3 -0 12,016
2021-02-17 2021-02-16 4 Kenner Andrew WLK Common Stock F - Taxes D 85.7300 -248 -21 12,019
2021-02-17 2021-02-14 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -830 0
2021-02-17 2021-02-14 4 Kenner Andrew WLK Common Stock M - Exercise D 830 12,267
2021-02-17 2021-02-16 4 Buesinger Robert F. WLK Common Stock F - Taxes D 87.4320 -4 -0 11,371
2021-02-17 2021-02-16 4 Buesinger Robert F. WLK Common Stock F - Taxes D 85.7300 -322 -28 11,375
2021-02-17 2021-02-14 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -1,128 0
2021-02-17 2021-02-14 4 Buesinger Robert F. WLK Common Stock M - Exercise D 1,128 11,697
2021-02-17 2021-02-16 4 Chao James WLK Common Stock F - Taxes D 87.7000 -8 -1 77,149
2021-02-17 2021-02-16 4 Chao James WLK Common Stock F - Taxes D 85.7300 -784 -67 77,157
2021-02-17 2021-02-14 4 Chao James WLK Restricted Stock Units M - Exercise D -3,072 0
2021-02-17 2021-02-14 4 Chao James WLK Common Stock M - Exercise D 3,072 77,941
2021-02-17 2021-02-16 4 Chao Albert WLK Common Stock F - Taxes D 85.7300 -971 -83 430,641
2021-02-17 2021-02-16 4 Chao Albert WLK Common Stock F - Taxes D 87.6900 -10 -1 431,612
2021-02-17 2021-02-14 4 Chao Albert WLK Restricted Stock Units M - Exercise D -3,966 0
2021-02-17 2021-02-14 4 Chao Albert WLK Common Stock M - Exercise D 3,966 431,622
2021-02-17 2021-02-14 4 Kearns Roger L. WLK Restricted Stock Units M - Exercise D -2,150 0
2021-02-17 2021-02-14 4 Kearns Roger L. WLK Common Stock M - Exercise D 2,150 25,598
2021-02-17 2021-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -1,096 0
2021-02-17 2021-02-14 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 1,096 28,283
2020-11-25 2020-11-24 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 44.42 -4,581 0
2020-11-25 2020-11-24 4 Buesinger Robert F. WLK Common Stock S - Sale D 77.5000 -4,581 -355 10,569
2020-11-25 2020-11-24 4 Buesinger Robert F. WLK Common Stock M - Exercise D 44.4200 4,581 203 15,150
2020-11-24 2020-11-23 4 Kenner Andrew WLK Common Stock S - Sale D 74.7500 -5,924 -443 11,437
2020-11-10 2020-11-06 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 22.92 -55,148 0
2020-11-10 2020-11-06 4 Chao Albert WLK Common Stock S - Sale D 75.1200 -4,198 -315 427,656
2020-11-10 2020-11-06 4 Chao Albert WLK Common Stock S - Sale D 74.2900 -10,334 -768 431,854
2020-11-10 2020-11-06 4 Chao Albert WLK Common Stock S - Sale D 73.3000 -11,978 -878 442,188
2020-11-10 2020-11-06 4 Chao Albert WLK Common Stock S - Sale D 72.0800 -28,638 -2,064 454,166
2020-11-10 2020-11-06 4 Chao Albert WLK Common Stock M - Exercise D 22.9150 55,148 1,264 482,804
2020-11-10 2020-11-06 4 Bender Mark Steven WLK Common Stock S - Sale D 74.7944 -1,600 -120 27,882
2020-11-06 2020-11-05 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 44.42 -24,996 0
2020-11-06 2020-11-05 4 Bender Mark Steven WLK Common Stock S - Sale D 74.5400 -420 -31 29,482
2020-11-06 2020-11-05 4 Bender Mark Steven WLK Common Stock S - Sale D 73.9800 -24,576 -1,818 29,902
2020-11-06 2020-11-05 4 Bender Mark Steven WLK Common Stock M - Exercise D 44.4200 24,996 1,110 54,478
2020-08-20 2020-03-27 4/A TTWFGP LLC WLK Common Stock P - Purchase D 39.0800 160,000 6,253 1,395,000
2020-08-20 2020-03-26 4/A TTWFGP LLC WLK Common Stock P - Purchase D 41.0000 145,000 5,945 1,235,000
2020-08-20 2020-03-25 4/A TTWFGP LLC WLK Common Stock P - Purchase D 40.7700 130,000 5,300 1,090,000
2020-08-20 2020-03-24 4/A TTWFGP LLC WLK Common Stock P - Purchase D 36.5300 145,000 5,297 960,000
2020-08-20 2020-03-19 4/A TTWFGP LLC WLK Common Stock P - Purchase D 37.6600 165,000 6,214 815,000
2020-08-20 2020-03-18 4/A TTWFGP LLC WLK Common Stock P - Purchase D 31.4100 165,000 5,183 650,000
2020-08-20 2020-03-17 4/A TTWFGP LLC WLK Common Stock P - Purchase D 33.2500 165,000 5,486 485,000
2020-08-20 2020-03-16 4/A TTWFGP LLC WLK Common Stock P - Purchase D 31.4200 160,000 5,027 320,000
2020-08-20 2020-03-13 4/A TTWFGP LLC WLK Common Stock P - Purchase D 32.9400 160,000 5,270 160,000
2020-08-17 2020-08-16 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 2,387 69,615
2020-08-17 2020-08-14 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-14 4 Lubel Kimberly S WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 2,387 13,310
2020-08-17 2020-08-14 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 Sheets Jeffrey Wayne WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 2,387 4,886
2020-08-17 2020-08-14 4 Sheets Jeffrey Wayne WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 MCCOLLUM MARK A WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 2,387 4,783
2020-08-17 2020-08-14 4 MCCOLLUM MARK A WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Graff Michael J WLK Common Stock M - Exercise D 2,387 13,269
2020-08-17 2020-08-14 4 Graff Michael J WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 Haas Marius WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Haas Marius WLK Common Stock M - Exercise D 2,387 4,886
2020-08-17 2020-08-14 4 Haas Marius WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 Chao John Tsung-chen WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Chao John Tsung-chen WLK Common Stock M - Exercise D 2,387 3,796
2020-08-17 2020-08-14 4 Chao John Tsung-chen WLK Restricted Stock Units A - Award D 2,400 2,400
2020-08-17 2020-08-16 4 Chao David Tsung-Hung WLK Restricted Stock Units M - Exercise D -2,387 0
2020-08-17 2020-08-16 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 2,387 5,539
2020-08-17 2020-08-14 4 Chao David Tsung-Hung WLK Restricted Stock Units A - Award D 2,400 2,400
2020-05-18 2020-05-15 4 Lubel Kimberly S WLK Restricted Stock Units A - Award D 3,780 3,780
2020-05-01 2020-04-30 4 Kearns Roger L. WLK Restricted Stock Units M - Exercise D -9,224 0
2020-05-01 2020-04-30 4 Kearns Roger L. WLK Common Stock M - Exercise D 9,224 23,448
2020-03-30 2020-03-27 4 TTWFGP LLC WLK Common Stock P - Purchase I 40.3100 11,287 455 47,400,277
2020-03-30 2020-03-27 4 TTWFGP LLC WLK Common Stock P - Purchase I 39.4900 89,443 3,532 47,388,990
2020-03-30 2020-03-27 4 TTWFGP LLC WLK Common Stock P - Purchase I 38.4900 42,295 1,628 47,299,547
2020-03-30 2020-03-27 4 TTWFGP LLC WLK Common Stock P - Purchase I 37.5800 16,975 638 47,257,252
2020-03-27 2020-03-26 4 TTWFGP LLC WLK Common Stock P - Purchase I 41.9900 8,800 370 47,240,277
2020-03-27 2020-03-26 4 TTWFGP LLC WLK Common Stock P - Purchase I 41.1500 94,001 3,868 47,231,477
2020-03-27 2020-03-26 4 TTWFGP LLC WLK Common Stock P - Purchase I 40.4700 42,199 1,708 47,137,476
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 42.6900 24,064 1,027 47,095,277
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 42.0200 33,358 1,402 47,071,213
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 40.9600 14,025 574 47,037,855
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 39.8300 27,671 1,102 47,023,830
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 38.8700 24,231 942 46,996,159
2020-03-26 2020-03-25 4 TTWFGP LLC WLK Common Stock P - Purchase I 37.9800 6,651 253 46,971,928
2020-03-25 2020-03-24 4 TTWFGP LLC WLK Common Stock P - Purchase I 37.6000 15,031 565 46,965,277
2020-03-25 2020-03-24 4 TTWFGP LLC WLK Common Stock P - Purchase I 36.8600 67,812 2,500 46,950,246
2020-03-25 2020-03-24 4 TTWFGP LLC WLK Common Stock P - Purchase I 36.0000 57,419 2,067 46,882,434
2020-03-25 2020-03-24 4 TTWFGP LLC WLK Common Stock P - Purchase I 34.9400 4,738 166 46,825,015
2020-03-20 2020-03-19 4 TTWFGP LLC WLK Common Stock P - Purchase I 39.0900 21,777 851 46,820,277
2020-03-20 2020-03-19 4 TTWFGP LLC WLK Common Stock P - Purchase I 38.2200 54,388 2,079 46,798,500
2020-03-20 2020-03-19 4 TTWFGP LLC WLK Common Stock P - Purchase I 36.2000 22,497 814 46,680,776
2020-03-20 2020-03-19 4 TTWFGP LLC WLK Common Stock P - Purchase I 35.2300 3,002 106 46,658,279
2020-03-20 2020-03-18 4 TTWFGP LLC WLK Common Stock P - Purchase I 37.3200 63,336 2,364 46,744,112
2020-03-19 2020-03-18 4 TTWFGP LLC WLK Common Stock P - Purchase I 33.0300 2,300 76 46,655,277
2020-03-19 2020-03-18 4 TTWFGP LLC WLK Common Stock P - Purchase I 32.1300 36,790 1,182 46,652,977
2020-03-19 2020-03-18 4 TTWFGP LLC WLK Common Stock P - Purchase I 31.3100 99,940 3,129 46,616,187
2020-03-19 2020-03-18 4 TTWFGP LLC WLK Common Stock P - Purchase I 30.5800 25,970 794 46,516,247
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 35.0600 100 4 46,490,277
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 34.4600 42,821 1,476 46,490,177
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 33.4000 69,003 2,305 46,447,356
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 32.5100 41,076 1,335 46,378,353
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 31.6300 2,840 90 46,337,277
2020-03-18 2020-03-17 4 TTWFGP LLC WLK Common Stock P - Purchase I 30.2100 9,160 277 46,334,437
2020-03-17 2020-03-16 4 TTWFGP LLC WLK Common Stock P - Purchase I 32.6300 12,325 402 46,325,277
2020-03-17 2020-03-16 4 TTWFGP LLC WLK Common Stock P - Purchase I 31.8800 57,203 1,824 46,312,952
2020-03-17 2020-03-16 4 TTWFGP LLC WLK Common Stock P - Purchase I 30.9700 90,472 2,802 46,255,749
2020-03-17 2020-03-16 4 Kearns Roger L. WLK Common Stock P - Purchase D 29.8900 5,000 149 14,224
2020-03-16 2020-03-13 4 TTWFGP LLC WLK Common Stock P - Purchase I 33.5200 46,263 1,551 46,165,277
2020-03-16 2020-03-13 4 TTWFGP LLC WLK Common Stock P - Purchase I 32.7100 113,737 3,720 46,119,014
2020-02-27 2020-02-26 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 10.26 -57,800 0
2020-02-27 2020-02-21 4 Chao Albert WLK Common Stock M - Exercise D 10.2600 57,800 593 427,656
2020-02-24 2020-02-21 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 10.26 -68,698 57,800
2020-02-24 2020-02-21 4 Chao Albert WLK Common Stock S - Sale D 62.4200 -51,592 -3,220 369,856
2020-02-24 2020-02-21 4 Chao Albert WLK Common Stock M - Exercise D 10.2600 68,698 705 421,448
2020-02-19 2020-02-17 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -3,516 0
2020-02-19 2020-02-17 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 3,516 27,187
2020-02-19 2020-02-18 4 Bender Mark Steven WLK Common Stock F - Taxes D 60.5190 -1,457 -88 29,482
2020-02-19 2020-02-17 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -5,375 0
2020-02-19 2020-02-17 4 Bender Mark Steven WLK Common Stock M - Exercise D 5,375 30,939
2020-02-19 2020-02-18 4 Buesinger Robert F. WLK Common Stock F - Taxes D 60.5230 -918 -56 10,569
2020-02-19 2020-02-17 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -3,306 0
2020-02-19 2020-02-17 4 Buesinger Robert F. WLK Common Stock M - Exercise D 3,306 11,487
2020-02-19 2020-02-18 4 Chao Albert WLK Common Stock F - Taxes D 61.2610 -380 -23 352,750
2020-02-19 2020-02-18 4 Chao Albert WLK Common Stock F - Taxes D 60.5000 -5,711 -346 353,130
2020-02-19 2020-02-17 4 Chao Albert WLK Restricted Stock Units M - Exercise D -19,902 0
2020-02-19 2020-02-17 4 Chao Albert WLK Common Stock M - Exercise D 19,902 358,841
2020-02-19 2020-02-18 4 Chao James WLK Common Stock F - Taxes D 61.4700 -273 -17 74,869
2020-02-19 2020-02-18 4 Chao James WLK Common Stock F - Taxes D 60.5000 -4,103 -248 75,142
2020-02-19 2020-02-17 4 Chao James WLK Restricted Stock Units M - Exercise D -15,922 0
2020-02-19 2020-02-17 4 Chao James WLK Common Stock M - Exercise D 15,922 79,245
2020-02-19 2020-02-18 4 Kenner Andrew WLK Common Stock F - Taxes D 60.5280 -754 -46 17,361
2020-02-19 2020-02-17 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -2,647 0
2020-02-19 2020-02-17 4 Kenner Andrew WLK Common Stock M - Exercise D 2,647 18,115
2020-02-19 2020-02-18 4 Mangieri George J WLK Common Stock F - Taxes D 61.5090 -24 -1 4,671
2020-02-19 2020-02-18 4 Mangieri George J WLK Common Stock F - Taxes D 60.5000 -350 -21 4,695
2020-02-19 2020-02-17 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -1,156 0
2020-02-19 2020-02-17 4 Mangieri George J WLK Common Stock M - Exercise D 1,156 5,045
2020-02-19 2020-02-18 4 Teel Lawrence E. WLK Common Stock F - Taxes D 60.8730 -46 -3 7,292
2020-02-19 2020-02-18 4 Teel Lawrence E. WLK Common Stock F - Taxes D 60.5000 -697 -42 7,338
2020-02-19 2020-02-17 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -2,647 0
2020-02-19 2020-02-17 4 Teel Lawrence E. WLK Common Stock M - Exercise D 2,647 8,035
2020-02-18 2020-02-14 4 Mangieri George J WLK Restricted Stock Units A - Award D 1,388 1,388
2020-02-18 2020-02-14 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 65.81 5,870 5,870
2020-02-18 2020-02-14 4 Chao James WLK Restricted Stock Units A - Award D 3,072 3,072
2020-02-18 2020-02-14 4 Chao James WLK Restricted Stock Units A - Award D 18,519 18,519
2020-02-18 2020-02-14 4 Chao James WLK Employee Option (right to buy) A - Award D 65.81 78,337 78,337
2020-02-18 2020-02-14 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 1,112 1,112
2020-02-18 2020-02-14 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 5,632 5,632
2020-02-18 2020-02-14 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 65.81 23,822 23,822
2020-02-18 2020-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 7,597 7,597
2020-02-18 2020-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 1,096 1,096
2020-02-18 2020-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 5,495 5,495
2020-02-18 2020-02-14 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 65.81 23,244 23,244
2020-02-18 2020-02-14 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 1,478 1,478
2020-02-18 2020-02-14 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 7,150 7,150
2020-02-18 2020-02-14 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 65.81 30,243 30,243
2020-02-18 2020-02-14 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 1,128 1,128
2020-02-18 2020-02-14 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 5,632 5,632
2020-02-18 2020-02-14 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 65.81 23,822 23,822
2020-02-18 2020-02-14 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 9,877 9,877
2020-02-18 2020-02-14 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 2,150 2,150
2020-02-18 2020-02-14 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 7,036 7,036
2020-02-18 2020-02-14 4 Kearns Roger L. WLK Employee Option (right to buy) A - Award D 65.81 29,762 29,762
2020-02-18 2020-02-14 4 Chao Albert WLK Restricted Stock Units A - Award D 3,966 3,966
2020-02-18 2020-02-14 4 Chao Albert WLK Restricted Stock Units A - Award D 26,048 26,048
2020-02-18 2020-02-14 4 Chao Albert WLK Employee Option (right to buy) A - Award D 65.81 110,186 110,186
2020-02-18 2020-02-14 4 Kenner Andrew WLK Restricted Stock Units A - Award D 830 830
2020-02-18 2020-02-14 4 Kenner Andrew WLK Restricted Stock Units A - Award D 3,572 3,572
2020-02-18 2020-02-14 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 65.81 15,112 15,112
2019-12-03 2019-12-03 4 Bender Mark Steven WLK Common Stock F - Taxes D 67.0068 -3,374 -226 25,564
2019-12-03 2019-12-01 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -8,324 0
2019-12-03 2019-12-01 4 Bender Mark Steven WLK Common Stock M - Exercise D 8,324 28,938
2019-12-03 2019-12-03 4 Buesinger Robert F. WLK Common Stock F - Taxes D 67.0068 -2,025 -136 8,181
2019-12-03 2019-12-01 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -4,995 0
2019-12-03 2019-12-01 4 Buesinger Robert F. WLK Common Stock M - Exercise D 4,995 10,206
2019-12-03 2019-12-03 4 Kenner Andrew WLK Common Stock F - Taxes D 67.0075 -1,350 -90 15,468
2019-12-03 2019-12-01 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -3,330 0
2019-12-03 2019-12-01 4 Kenner Andrew WLK Common Stock M - Exercise D 3,330 16,818
2019-12-03 2019-12-03 4 Mangieri George J WLK Common Stock F - Taxes D 67.0075 -1,023 -69 3,889
2019-12-03 2019-12-01 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -3,330 0
2019-12-03 2019-12-01 4 Mangieri George J WLK Common Stock M - Exercise D 3,330 4,912
2019-12-03 2019-12-03 4 Teel Lawrence E. WLK Common Stock F - Taxes D 66.0076 -675 -45 5,388
2019-12-03 2019-12-01 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -1,665 0
2019-12-03 2019-12-01 4 Teel Lawrence E. WLK Common Stock M - Exercise D 1,665 6,063
2019-12-03 2019-12-01 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -8,324 0
2019-12-03 2019-12-01 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 8,324 23,671
2019-11-12 2019-11-08 4 Mangieri George J WLK Common Stock S - Sale D 75.0500 -1,583 -119 1,582
2019-08-21 2019-08-20 4 Jenkins Dorothy C WLK Employee Option (right to buy) M - Exercise D 12.26 -7,098 0
2019-08-21 2019-08-20 4 Jenkins Dorothy C WLK Common Stock S - Sale D 62.2970 -390 -24 67,228
2019-08-21 2019-08-20 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 12.2550 7,098 87 67,618
2019-08-19 2019-08-17 4 Chao David Tsung-Hung WLK Restricted Stock Units M - Exercise D 1,409 0
2019-08-19 2019-08-17 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,409 3,152
2019-08-19 2019-08-16 4 Chao David Tsung-Hung WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 Chao John Tsung-chen WLK Restricted Stock Units M - Exercise D 1,409 0
2019-08-19 2019-08-17 4 Chao John Tsung-chen WLK Common Stock M - Exercise D 1,409 1,409
2019-08-19 2019-08-16 4 Chao John Tsung-chen WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -1,003 0
2019-08-19 2019-08-17 4 Graff Michael J WLK Common Stock M - Exercise D 1,409 10,882
2019-08-19 2019-08-17 4 Graff Michael J WLK Common Stock M - Exercise D 1,003 9,473
2019-08-19 2019-08-16 4 Graff Michael J WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 Haas Marius WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 Haas Marius WLK Common Stock M - Exercise D 1,409 2,499
2019-08-19 2019-08-16 4 Haas Marius WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,003 0
2019-08-19 2019-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,409 60,520
2019-08-19 2019-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,003 59,111
2019-08-19 2019-08-16 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -1,003 0
2019-08-19 2019-08-17 4 LUKENS MAX L WLK Common Stock M - Exercise D 1,409 9,122
2019-08-19 2019-08-17 4 LUKENS MAX L WLK Common Stock M - Exercise D 1,003 7,713
2019-08-19 2019-08-16 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 MCCOLLUM MARK A WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 1,409 2,396
2019-08-19 2019-08-16 4 MCCOLLUM MARK A WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -1,003 0
2019-08-19 2019-08-17 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,409 10,923
2019-08-19 2019-08-17 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,003 9,514
2019-08-19 2019-08-16 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 2,387 2,387
2019-08-19 2019-08-17 4 Sheets Jeffrey Wayne WLK Restricted Stock Units M - Exercise D -1,409 0
2019-08-19 2019-08-17 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,409 2,499
2019-08-19 2019-08-16 4 Sheets Jeffrey Wayne WLK Restricted Stock Units A - Award D 2,387 2,387
2019-05-20 2019-05-18 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -103 0
2019-05-20 2019-05-18 4 Graff Michael J WLK Common Stock M - Exercise D 103 8,470
2019-05-20 2019-05-18 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -103 0
2019-05-20 2019-05-18 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 103 58,108
2019-05-20 2019-05-18 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -103 0
2019-05-20 2019-05-18 4 LUKENS MAX L WLK Common Stock M - Exercise D 103 6,710
2019-05-20 2019-05-18 4 MCCOLLUM MARK A WLK Restricted Stock Units M - Exercise D -987 0
2019-05-20 2019-05-18 4 MCCOLLUM MARK A WLK Common Stock M - Exercise D 987 987
2019-05-20 2019-05-18 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -144 0
2019-05-20 2019-05-18 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 144 8,511
2019-05-01 2019-04-30 4 Kearns Roger L. WLK Restricted Stock Units M - Exercise D -9,224 9,224
2019-05-01 2019-04-30 4 Kearns Roger L. WLK Common Stock M - Exercise D 9,224 9,224
2019-03-20 2019-03-19 4 RILEY H JOHN JR WLK Common Stock S - Sale D 69.9200 -3,327 -233 22,652
2019-02-20 2019-02-19 4 Teel Lawrence E. WLK Common Stock F - Taxes D 75.8100 -75 -6 4,398
2019-02-20 2019-02-19 4 Teel Lawrence E. WLK Common Stock F - Taxes D 73.2900 -786 -58 4,473
2019-02-20 2019-02-18 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -3,137 0
2019-02-20 2019-02-18 4 Teel Lawrence E. WLK Common Stock M - Exercise D 3,137 5,259
2019-02-20 2019-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 75.8300 -152 -12 20,614
2019-02-20 2019-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 73.2900 -1,610 -118 20,766
2019-02-20 2019-02-18 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -6,566 0
2019-02-20 2019-02-18 4 Bender Mark Steven WLK Common Stock M - Exercise D 6,566 22,376
2019-02-20 2019-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 75.5300 -85 -6 5,211
2019-02-20 2019-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 73.2900 -885 -65 5,296
2019-02-20 2019-02-18 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -3,539 0
2019-02-20 2019-02-18 4 Buesinger Robert F. WLK Common Stock M - Exercise D 3,539 6,181
2019-02-20 2019-02-19 4 Chao Albert WLK Common Stock F - Taxes D 75.7900 -622 -47 338,939
2019-02-20 2019-02-19 4 Chao Albert WLK Common Stock F - Taxes D 73.2900 -6,547 -480 339,561
2019-02-20 2019-02-18 4 Chao Albert WLK Restricted Stock Units M - Exercise D -21,454 0
2019-02-20 2019-02-18 4 Chao Albert WLK Common Stock M - Exercise D 21,454 346,108
2019-02-20 2019-02-19 4 Chao James WLK Common Stock F - Taxes D 75.6200 -462 -35 63,323
2019-02-20 2019-02-19 4 Chao James WLK Common Stock F - Taxes D 73.2900 -4,861 -356 63,785
2019-02-20 2019-02-18 4 Chao James WLK Restricted Stock Units M - Exercise D -17,154 0
2019-02-20 2019-02-18 4 Chao James WLK Common Stock M - Exercise D 17,154 68,646
2019-02-20 2019-02-18 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -3,302 0
2019-02-20 2019-02-18 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 3,302 15,347
2019-02-20 2019-02-19 4 Kenner Andrew WLK Common Stock F - Taxes D 75.5800 -68 -5 13,488
2019-02-20 2019-02-19 4 Kenner Andrew WLK Common Stock F - Taxes D 73.2900 -725 -53 13,556
2019-02-20 2019-02-18 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -2,844 0
2019-02-20 2019-02-18 4 Kenner Andrew WLK Common Stock M - Exercise D 2,844 14,281
2019-02-20 2019-02-19 4 Mangieri George J WLK Common Stock F - Taxes D 75.5700 -37 -3 3,165
2019-02-20 2019-02-19 4 Mangieri George J WLK Common Stock F - Taxes D 73.2900 -399 -29 3,202
2019-02-20 2019-02-18 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -1,441 0
2019-02-20 2019-02-18 4 Mangieri George J WLK Common Stock M - Exercise D 1,441 3,601
2019-02-19 2019-02-15 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 3,296 3,296
2019-02-19 2019-02-15 4 Kearns Roger L. WLK Employee Option (right to buy) A - Award D 79.83 12,519 12,519
2019-02-19 2019-02-15 4 Chao Albert WLK Restricted Stock Units A - Award D 18,354 18,354
2019-02-19 2019-02-15 4 Chao Albert WLK Employee Option (right to buy) A - Award D 79.83 69,708 69,708
2019-02-19 2019-02-15 4 Mangieri George J WLK Restricted Stock Units A - Award D 1,111 1,111
2019-02-19 2019-02-15 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 79.83 4,218 4,218
2019-02-19 2019-02-15 4 Chao James WLK Restricted Stock Units A - Award D 14,683 14,683
2019-02-19 2019-02-15 4 Chao James WLK Employee Option (right to buy) A - Award D 79.83 55,766 55,766
2019-02-19 2019-02-15 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 3,869 3,869
2019-02-19 2019-02-15 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 79.83 14,694 14,694
2019-02-19 2019-02-15 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 3,796 3,796
2019-02-19 2019-02-15 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 79.83 14,417 14,417
2019-02-19 2019-05-15 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 4,755 4,755
2019-02-19 2019-02-15 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 79.83 18,061 18,061
2019-02-19 2019-02-15 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 3,869 3,869
2019-02-19 2019-02-15 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 79.83 14,694 14,694
2019-02-19 2019-02-15 4 Kenner Andrew WLK Restricted Stock Units A - Award D 2,859 2,859
2019-02-19 2019-02-15 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 79.83 10,860 10,860
2019-01-07 2019-01-05 4 Chao David Tsung-Hung WLK Restricted Stock Units M - Exercise D 1,090 0
2019-01-07 2019-01-05 4 Chao David Tsung-Hung WLK Common Stock M - Exercise D 1,090 1,743
2019-01-07 2019-01-05 4 Haas Marius WLK Restricted Stock Units M - Exercise D 1,090 0
2019-01-07 2019-01-05 4 Haas Marius WLK Common Stock M - Exercise D 1,090 1,090
2019-01-07 2019-01-05 4 Sheets Jeffrey Wayne WLK Restricted Stock Units M - Exercise D 1,090 0
2019-01-07 2019-01-05 4 Sheets Jeffrey Wayne WLK Common Stock M - Exercise D 1,090 1,090
2018-11-19 2018-11-16 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 7.12 -30,640 0
2018-11-19 2018-11-16 4 Chao Albert WLK Common Stock S - Sale D 72.0920 -7,120 -513 324,654
2018-11-19 2018-11-16 4 Chao Albert WLK Common Stock S - Sale D 71.6150 -17,389 -1,245 331,774
2018-11-19 2018-11-16 4 Chao Albert WLK Common Stock M - Exercise D 7.1200 30,640 218 349,163
2018-11-16 2018-11-15 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 7.12 -30,640 30,640
2018-11-16 2018-11-15 4 Chao Albert WLK Common stock S - Sale D 71.9830 -1,100 -79 318,523
2018-11-16 2018-11-15 4 Chao Albert WLK Common stock S - Sale D 71.4760 -16,309 -1,166 319,623
2018-11-16 2018-11-15 4 Chao Albert WLK Common stock S - Sale D 70.4310 -7,100 -500 335,932
2018-11-16 2018-11-15 4 Chao Albert WLK Common Stock M - Exercise D 7.1200 30,640 218 343,032
2018-11-16 2018-11-14 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 7.12 -30,639 61,280
2018-11-16 2018-11-14 4 Chao Albert WLK Common stock S - Sale D 72.5000 -900 -65 312,392
2018-11-16 2018-11-14 4 Chao Albert WLK Common stock S - Sale D 71.7690 -13,202 -947 313,292
2018-11-16 2018-11-14 4 Chao Albert WLK Common stock S - Sale D 70.9150 -10,519 -746 326,494
2018-11-16 2018-11-14 4 Chao Albert WLK Common Stock M - Exercise D 7.1200 30,639 218 337,013
2018-11-14 2018-11-13 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 7.12 -25,000 91,919
2018-11-14 2018-11-13 4 Chao Albert WLK Common stock S - Sale D 73.2000 -1,200 -88 306,374
2018-11-14 2018-11-13 4 Chao Albert WLK Common stock S - Sale D 72.4700 -3,600 -261 307,574
2018-11-14 2018-11-13 4 Chao Albert WLK Common stock S - Sale D 71.2800 -10,200 -727 311,174
2018-11-14 2018-11-13 4 Chao Albert WLK Common Stock M - Exercise D 7.1200 25,000 178 321,374
2018-11-14 2018-11-12 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 7.12 -38,973 116,919
2018-11-14 2018-11-12 4 Chao Albert WLK Common stock S - Sale D 75.1000 -6,900 -518 296,374
2018-11-14 2018-11-12 4 Chao Albert WLK Common stock S - Sale D 74.3000 -18,100 -1,345 303,274
2018-11-14 2018-11-12 4 Chao Albert WLK Common Stock M - Exercise D 7.1200 38,973 277 321,374
2018-08-22 2018-08-21 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 603 58,005
2018-08-22 2018-08-21 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 603 10,989
2018-08-22 2018-08-21 4 Graff Michael J WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 Graff Michael J WLK Common Stock M - Exercise D 603 8,367
2018-08-22 2018-08-21 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 LUKENS MAX L WLK Common Stock M - Exercise D 603 6,607
2018-08-22 2018-08-21 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 603 8,367
2018-08-22 2018-08-21 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D 603 0
2018-08-22 2018-08-21 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 603 25,979
2018-08-20 2018-08-18 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 1,721 25,376
2018-08-20 2018-08-17 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 1,003 23,655
2018-08-20 2018-08-18 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,721 7,764
2018-08-20 2018-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,003 6,043
2018-08-20 2018-08-17 4 Sheets Jeffrey Wayne WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-18 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 1,721 10,386
2018-08-20 2018-08-17 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 1,003 8,665
2018-08-20 2018-08-17 4 Chao David Tsung-Hung WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-18 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 Graff Michael J WLK Common Stock M - Exercise D 1,721 7,764
2018-08-20 2018-08-17 4 Graff Michael J WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 Graff Michael J WLK Common Stock M - Exercise D 1,003 6,043
2018-08-20 2018-08-17 4 Haas Marius WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-18 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,721 57,402
2018-08-20 2018-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,003 55,681
2018-08-20 2018-08-18 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -1,721 0
2018-08-20 2018-08-18 4 LUKENS MAX L WLK Common Stock M - Exercise D 1,721 6,004
2018-08-20 2018-08-17 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -1,003 1,003
2018-08-20 2018-08-17 4 LUKENS MAX L WLK Common Stock M - Exercise D 1,003 4,283
2018-08-20 2018-08-17 4 MCCOLLUM MARK A WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 2018-08-17 4 Chao John Tsung-chen WLK Restricted Stock Units A - Award D 1,409 1,409
2018-08-20 3 Chao John Tsung-chen TTWF LP & TTWFGP LLC WLK Common Stock I 184,021,108
2018-08-20 3 Chao John Tsung-chen TTWF LP & TTWFGP LLC WLK Common Stock I 184,021,108
2018-08-20 3 Chao John Tsung-chen TTWF LP & TTWFGP LLC WLK Common Stock I 184,021,108
2018-05-25 2018-05-24 4 Chao James WLK Common Stock S - Sale D 120.6900 -33,305 -4,020 51,492
2018-05-22 2018-05-21 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 68.09 -12,066 0
2018-05-22 2018-05-21 4 Bender Mark Steven WLK Common Stock S - Sale D 123.5900 -261 -32 15,810
2018-05-22 2018-05-21 4 Bender Mark Steven WLK Common Stock S - Sale D 123.0400 -9,505 -1,169 16,071
2018-05-22 2018-05-21 4 Bender Mark Steven WLK Common Stock S - Sale D 121.9000 -2,300 -280 25,576
2018-05-22 2018-05-21 4 Bender Mark Steven WLK Common Stock M - Exercise D 68.0900 12,066 822 27,876
2018-05-21 2018-05-18 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 144 144
2018-05-21 2018-05-18 4 MCCOLLUM MARK A WLK Restricted Stock Units A - Award D 987 987
2018-05-21 2018-05-18 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 103 103
2018-05-21 2018-05-18 4 Graff Michael J WLK Restricted Stock Units A - Award D 103 103
2018-05-21 2018-05-18 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 103 103
2018-05-21 2018-05-18 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 103 103
2018-05-21 2018-05-18 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 144 144
2018-05-16 2018-05-15 4 Buesinger Robert F. WLK Common Stock S - Sale D 118.8750 -1,447 -172 2,642
2018-05-14 2018-05-11 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 22.92 -6,680 0
2018-05-14 2018-05-11 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 30.05 -16,826 0
2018-05-14 2018-05-11 4 Bender Mark Steven WLK Common Stock S - Sale D 117.3300 -23,506 -2,758 15,810
2018-05-14 2018-05-11 4 Bender Mark Steven WLK Common Stock M - Exercise D 22.9150 6,680 153 39,316
2018-05-14 2018-05-11 4 Bender Mark Steven WLK Common Stock M - Exercise D 30.0525 16,826 506 32,636
2018-05-11 2018-05-10 4 Jenkins Dorothy C WLK Employee Option (right to buy) M - Exercise D 10.41 7,652 0
2018-05-11 2018-05-10 4 Jenkins Dorothy C WLK Common Stock S - Sale D 117.0100 -52 -6 54,678
2018-05-11 2018-05-10 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 10.4125 7,652 80 54,730
2018-05-01 2018-04-30 4 Kearns Roger L. WLK Restricted Stock Units A - Award D 18,448 18,448
2018-03-12 2018-03-09 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 61.86 -3,412 6,928
2018-03-12 2018-03-09 4 Kenner Andrew WLK Common Stock S - Sale D 120.0000 -6,028 -723 11,437
2018-03-12 2018-03-09 4 Kenner Andrew WLK Common Stock M - Exercise D 61.8650 3,412 211 17,465
2018-03-06 2018-03-05 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 44.42 -7,145 3,682
2018-03-06 2018-03-05 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 68.09 -6,007 0
2018-03-06 2018-03-05 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 63.98 -5,214 0
2018-03-06 2018-03-05 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 45.70 -5,952 0
2018-03-06 2018-03-05 4 Kenner Andrew WLK Common Stock S - Sale D 110.6100 -24,318 -2,690 14,053
2018-03-06 2018-03-05 4 Kenner Andrew WLK Common Stock M - Exercise D 44.4200 7,145 317 38,371
2018-03-06 2018-03-05 4 Kenner Andrew WLK Common Stock M - Exercise D 68.0900 6,007 409 31,226
2018-03-06 2018-03-05 4 Kenner Andrew WLK Common Stock M - Exercise D 63.9775 5,214 334 25,219
2018-03-06 2018-03-05 4 Kenner Andrew WLK Common Stock M - Exercise D 45.6975 5,952 272 20,005
2018-03-06 2018-03-05 4 Mangieri George J WLK Common Stock S - Sale D 113.4100 -2,161 -245 2,160
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 61.86 -4,261 8,652
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 44.42 -4,446 4,581
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 68.09 -6,608 0
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Common Stock S - Sale D 113.0000 -4,034 -456 4,089
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Common Stock S - Sale D 113.0500 -15,315 -1,731 8,123
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Common Stock M - Exercise D 61.8650 4,261 264 23,438
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Common Stock M - Exercise D 44.4200 4,446 197 19,177
2018-03-06 2018-03-05 4 Buesinger Robert F. WLK Common Stock M - Exercise D 68.0900 6,608 450 14,731
2018-03-01 2018-02-28 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 68.09 -1,036 0
2018-03-01 2018-02-28 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 44.42 -1,810 1,865
2018-03-01 2018-02-28 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 61.86 -1,489 3,026
2018-03-01 2018-02-28 4 Mangieri George J WLK Common Stock S - Sale D 111.2200 -4,335 -482 4,321
2018-03-01 2018-02-28 4 Mangieri George J WLK Common Stock M - Exercise D 68.0900 1,036 71 8,656
2018-03-01 2018-02-28 4 Mangieri George J WLK Common Stock M - Exercise D 44.4200 1,810 80 7,620
2018-03-01 2018-02-28 4 Mangieri George J WLK Common Stock M - Exercise D 61.8650 1,489 92 5,810
2018-02-28 2018-02-27 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 111.0000 -4,038 -448 7,662
2018-02-27 2018-02-26 4 Bender Mark Steven WLK Common Stock S - Sale D 112.0600 -3,500 -392 15,810
2018-02-27 2018-02-26 4 Bender Mark Steven WLK Common Stock S - Sale D 110.8400 -1,500 -166 19,310
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 44.42 -3,941 4,060
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 61.86 -3,412 6,928
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 68.09 -1,998 0
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Common Stock S - Sale D 111.8600 -9,351 -1,046 2,122
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Common Stock M - Exercise D 44.4200 3,941 175 11,473
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Common Stock M - Exercise D 61.8650 3,412 211 7,532
2018-02-27 2018-02-26 4 Teel Lawrence E. WLK Common Stock M - Exercise D 68.0900 1,998 136 4,120
2018-02-26 2018-02-22 4 Bender Mark Steven WLK Common Stock S - Sale D 110.6350 -2,000 -221 20,810
2018-02-23 2018-02-22 4 LUKENS MAX L WLK Common Stock S - Sale D 111.4100 -100 -11 3,280
2018-02-23 2018-02-22 4 LUKENS MAX L WLK Common Stock S - Sale D 110.9300 -17,458 -1,937 3,380
2018-02-23 2018-02-22 4 Bender Mark Steven WLK Common Stock S - Sale D 110.9700 -4,000 -444 22,810
2018-02-23 2018-02-22 4 Ederington L. Benjamin WLK Employee Option (right to buy) M - Exercise D 68.09 -5,876 0
2018-02-23 2018-02-22 4 Ederington L. Benjamin WLK Employee Option (right to buy) M - Exercise D 63.98 -1,066 0
2018-02-23 2018-02-22 4 Ederington L. Benjamin WLK Common Stock S - Sale D 111.4470 -6,942 -774 12,045
2018-02-23 2018-02-22 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 68.0900 5,876 400 18,987
2018-02-23 2018-02-22 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 63.9775 1,066 68 13,111
2018-02-22 2018-02-21 4 Buesinger Robert F. WLK Common Stock F - Taxes D 106.9800 -494 -53 8,123
2018-02-22 2018-02-20 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -1,982 0
2018-02-22 2018-02-20 4 Buesinger Robert F. WLK Common Stock M - Exercise D 1,982 8,617
2018-02-22 2018-02-21 4 Mangieri George J WLK Common Stock F - Taxes D 106.9800 -254 -27 4,321
2018-02-22 2018-02-20 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -913 0
2018-02-22 2018-02-20 4 Mangieri George J WLK Common Stock M - Exercise D 913 4,575
2018-02-22 2018-02-21 4 Chao James WLK Common Stock F - Taxes D 106.9800 -4,172 -446 84,797
2018-02-22 2018-02-20 4 Chao James WLK Restricted Stock Units M - Exercise D -10,868 0
2018-02-22 2018-02-20 4 Chao James WLK Common Stock M - Exercise D 10,868 88,969
2018-02-22 2018-02-21 4 Bender Mark Steven WLK Common Stock F - Taxes D 106.9800 -876 -94 26,810
2018-02-22 2018-02-20 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -3,619 0
2018-02-22 2018-02-20 4 Bender Mark Steven WLK Common Stock M - Exercise D 3,619 27,686
2018-02-22 2018-02-21 4 Teel Lawrence E. WLK Common Stock F - Taxes D 106.9800 -444 -47 2,122
2018-02-22 2018-02-20 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -1,762 0
2018-02-22 2018-02-20 4 Teel Lawrence E. WLK Common Stock M - Exercise D 1,762 2,566
2018-02-22 2018-02-21 4 Kenner Andrew WLK Common Stock F - Taxes D 106.9800 -456 -49 14,053
2018-02-22 2018-02-20 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -1,802 0
2018-02-22 2018-02-20 4 Kenner Andrew WLK Common Stock M - Exercise D 1,802 14,509
2018-02-22 2018-02-21 4 Chao Albert WLK Common Stock F - Taxes D 106.9800 -5,202 -557 282,401
2018-02-22 2018-02-20 4 Chao Albert WLK Restricted Stock Units M - Exercise D -13,585 0
2018-02-22 2018-02-20 4 Chao Albert WLK Common Stock M - Exercise D 13,585 287,603
2018-02-22 2018-02-20 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -1,762 0
2018-02-22 2018-02-20 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 1,762 12,045
2018-02-20 2018-02-16 4 Chao Albert WLK Restricted Stock Units A - Award D 11,983 11,983
2018-02-20 2018-02-16 4 Chao Albert WLK Employee Option (right to buy) A - Award D 107.75 44,647 44,647
2018-02-20 2018-02-16 4 Chao James WLK Restricted Stock Units A - Award D 9,480 9,480
2018-02-20 2018-02-16 4 Chao James WLK Employee Option (right to buy) A - Award D 107.75 35,321 35,321
2018-02-20 2018-02-16 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 3,230 3,230
2018-02-20 2018-02-16 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 107.75 12,033 12,033
2018-02-20 2018-02-16 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 2,569 2,569
2018-02-20 2018-02-16 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 107.75 9,571 9,571
2018-02-20 2018-02-16 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 2,472 2,472
2018-02-20 2018-02-16 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 107.75 9,209 9,209
2018-02-20 2018-02-16 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 2,295 2,295
2018-02-20 2018-02-16 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 107.75 8,550 8,550
2018-02-20 2018-02-16 4 Kenner Andrew WLK Restricted Stock Units A - Award D 1,924 1,924
2018-02-20 2018-02-16 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 107.75 7,168 7,168
2018-02-20 2018-02-16 4 Mangieri George J WLK Restricted Stock Units A - Award D 693 693
2018-02-20 2018-02-16 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 107.75 2,582 2,582
2018-02-09 2013-12-26 4 Chao James WLK Common Stock G - Gift D -1,000 78,101
2018-02-09 2011-03-10 4 Chao James WLK Common Stock G - Gift D -4,000 79,101
2018-02-09 2011-03-09 4 Chao James WLK Common Stock G - Gift D -10,868 83,101
2018-01-09 3 Chao David Tsung-Hung TTWF LP & TTWFGP LLC WLK Common Stock I 184,021,761
2018-01-09 3 Chao David Tsung-Hung TTWF LP & TTWFGP LLC WLK Common Stock I 184,021,761
2018-01-09 3 Chao David Tsung-Hung WLK Common Stock D 92,011,860
2018-01-09 3 Chao David Tsung-Hung WLK Common Stock D 92,011,860
2018-01-09 2018-01-05 4 Chao David Tsung-Hung WLK Restricted Stock Units A - Award D 1,090 1,090
2018-01-09 2018-01-05 4 Sheets Jeffrey Wayne WLK Restricted Stock Units A - Award D 1,090 1,090
2018-01-09 2018-01-05 4 Haas Marius WLK Restricted Stock Units A - Award D 1,090 1,090
2017-12-19 2017-11-26 4/A Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 14.24 4,407 0
2017-12-19 2012-11-26 4/A Bender Mark Steven WLK Common Stock S - Sale D 75.0000 -4,407 -331 36,281
2017-12-19 2012-11-26 4/A Bender Mark Steven WLK Common Stock M - Exercise D 14.2400 4,407 63 40,688
2017-12-06 2017-12-04 4 Chao James WLK Common Stock G - Gift D -15,000 93,969
2017-12-05 2017-12-04 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 22.92 6,500 6,680
2017-12-05 2017-12-04 4 Bender Mark Steven WLK Common Stock S - Sale D 97.8310 -6,500 -636 24,067
2017-12-05 2017-12-04 4 Bender Mark Steven WLK Common Stock M - Exercise D 22.9150 6,500 149 30,567
2017-12-04 2017-12-01 4/A Chao James WLK Common Stock G - Gift D -10,000 108,969
2017-12-04 2017-12-01 4 Buesinger Robert F. WLK Common Stock S - Sale D 98.5000 -2,674 -263 6,635
2017-11-30 2017-11-29 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -16,844 0
2017-11-30 2017-11-29 4 Chao Albert WLK Common Stock S - Sale D 95.2470 -16,844 -1,604 274,018
2017-11-30 2017-11-29 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 16,844 162 290,862
2017-11-30 2017-11-28 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -25,000 16,844
2017-11-30 2017-11-28 4 Chao Albert WLK Common Stock S - Sale D 94.8540 -1,010 -96 274,018
2017-11-30 2017-11-28 4 Chao Albert WLK Common Stock S - Sale D 94.5510 -23,990 -2,268 275,028
2017-11-30 2017-11-28 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 25,000 241 299,018
2017-11-29 2017-11-29 4 Chao James WLK Common Stock G - Gift D -10,000 108,969
2017-11-28 2017-11-27 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -25,000 41,844
2017-11-28 2017-11-27 4 Chao Albert WLK Common Stock S - Sale D 94.2460 -2,966 -280 274,018
2017-11-28 2017-11-27 4 Chao Albert WLK Common Stock S - Sale D 93.9240 -22,034 -2,070 276,984
2017-11-28 2017-11-27 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 25,000 241 299,018
2017-11-27 2017-11-24 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -20,000 66,844
2017-11-27 2017-11-24 4 Chao Albert WLK Common Stock S - Sale D 94.5840 -20,000 -1,892 274,018
2017-11-27 2017-11-24 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 20,000 193 294,018
2017-11-27 2017-11-22 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -25,000 86,844
2017-11-27 2017-11-22 4 Chao Albert WLK Common Stock S - Sale D 95.6020 -101 -10 274,018
2017-11-27 2017-11-22 4 Chao Albert WLK Common Stock S - Sale D 94.8930 -24,899 -2,363 274,119
2017-11-27 2017-11-22 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 25,000 241 299,018
2017-11-27 2017-11-24 4 Chao James WLK Employee Option (right to buy) M - Exercise D 63.98 -32,000 0
2017-11-27 2017-11-24 4 Chao James WLK Employee Option (right to buy) M - Exercise D 68.09 -23,917 12,321
2017-11-27 2017-11-24 4 Chao James WLK Employee Option (right to buy) M - Exercise D 45.70 -10,109 0
2017-11-27 2017-11-24 4 Chao James WLK Common Stock S - Sale D 94.6110 -66,026 -6,247 118,969
2017-11-27 2017-11-24 4 Chao James WLK Common Stock M - Exercise D 63.9775 32,000 2,047 184,995
2017-11-27 2017-11-24 4 Chao James WLK Common Stock M - Exercise D 68.0900 23,917 1,629 152,995
2017-11-27 2017-11-24 4 Chao James WLK Common Stock M - Exercise D 45.6975 10,109 462 129,078
2017-11-27 2017-11-22 4 Chao James WLK Employee Option (right to buy) M - Exercise D 45.70 -10,109 10,109
2017-11-27 2017-11-22 4 Chao James WLK Common Stock S - Sale D 95.2030 -10,109 -962 118,969
2017-11-27 2017-11-22 4 Chao James WLK Common Stock M - Exercise D 45.6975 10,109 462 129,078
2017-11-22 2017-11-21 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 9.64 -25,000 111,844
2017-11-22 2017-11-21 4 Chao Albert WLK Common stock S - Sale D 94.3350 -25,000 -2,358 274,018
2017-11-22 2017-11-21 4 Chao Albert WLK Common Stock M - Exercise D 9.6450 25,000 241 299,018
2017-11-22 2017-11-21 4 Bender Mark Steven WLK Common Stock S - Sale D 94.2650 -20,382 -1,921 24,067
2017-11-20 2017-11-17 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8242 -5,214 -489 9,309
2017-11-20 2017-11-17 4 Buesinger Robert F. WLK Common Stock M - Exercise D 63.9775 5,214 334 14,523
2017-11-20 2017-11-14 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 63.98 5,214 0
2017-11-15 2017-11-13 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 68.09 -2,010 1,036
2017-11-15 2017-11-13 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 44.42 -1,810 3,675
2017-11-15 2017-11-13 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 63.98 -3,028 0
2017-11-15 2017-11-13 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 45.70 -3,618 0
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock S - Sale D 94.7000 -2,915 -276 3,662
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock S - Sale D 94.3737 -10,466 -988 6,577
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock M - Exercise D 68.0900 2,010 137 17,043
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock M - Exercise D 44.4200 1,810 80 15,033
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock M - Exercise D 63.9775 3,028 194 13,223
2017-11-15 2017-11-13 4 Mangieri George J WLK Common Stock M - Exercise D 45.6975 3,618 165 10,195
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 63.98 -3,408 0
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 68.09 -3,878 1,998
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 44.42 -3,940 8,001
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 45.70 -686 0
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock S - Sale D 93.9900 -800 -75 804
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock S - Sale D 93.9870 -11,912 -1,120 1,604
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock M - Exercise D 63.9775 3,408 218 13,516
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock M - Exercise D 68.0900 3,878 264 10,108
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock M - Exercise D 44.4200 3,940 175 6,230
2017-11-15 2017-11-13 4 Teel Lawrence E. WLK Common Stock M - Exercise D 45.6975 686 31 2,290
2017-11-15 2017-11-14 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 92.3266 -4,367 -403 11,700
2017-11-15 2017-11-13 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 10.26 -29,804 0
2017-11-15 2017-11-13 4 Bender Mark Steven WLK Common Stock S - Sale D 94.6000 -600 -57 44,449
2017-11-15 2017-11-13 4 Bender Mark Steven WLK Common Stock S - Sale D 94.0050 -29,204 -2,745 45,049
2017-11-15 2017-11-13 4 Bender Mark Steven WLK Common Stock M - Exercise D 10.2625 29,804 306 74,253
2017-10-02 2017-10-02 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 82.9400 -2,141 -178 10,283
2017-10-02 2017-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -6,700 0
2017-10-02 2017-09-30 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 6,700 12,424
2017-09-21 2017-08-17 4/A RILEY H JOHN JR WLK Common Stock M - Exercise D 1,003 21,692
2017-08-22 2017-08-22 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 357 21,652
2017-08-22 2017-08-21 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 603 21,295
2017-08-22 2017-08-22 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 357 5,040
2017-08-22 2017-08-21 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 603 4,683
2017-08-22 2017-08-22 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 357 47,078
2017-08-22 2017-08-21 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 603 46,721
2017-08-22 2017-08-22 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 LUKENS MAX L WLK Common Stock M - Exercise D 357 20,838
2017-08-22 2017-08-21 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 LUKENS MAX L WLK Common Stock M - Exercise D 603 20,481
2017-08-22 2017-08-22 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 357 16,067
2017-08-22 2017-08-21 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 603 15,710
2017-08-22 2017-08-22 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -357 0
2017-08-22 2017-08-22 4 Graff Michael J WLK Common Stock M - Exercise D 357 5,040
2017-08-22 2017-08-21 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -603 603
2017-08-22 2017-08-21 4 Graff Michael J WLK Common Stock M - Exercise D 603 4,683
2017-08-21 2017-08-18 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-21 2017-08-18 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-21 2017-08-18 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-21 2017-08-18 4 Graff Michael J WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-21 2017-08-18 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-21 2017-08-18 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 1,721 1,721
2017-08-17 2017-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 1,003 4,080
2017-08-17 2017-08-17 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 1,003 20,692
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,003 46,118
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,003 46,118
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 1,003 46,118
2017-08-17 2017-08-17 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 1,003 15,107
2017-08-17 2017-08-17 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 Graff Michael J WLK Common Stock M - Exercise D 1,003 4,080
2017-08-17 2017-08-17 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -1,003 2,006
2017-08-17 2017-08-17 4 LUKENS MAX L WLK Common Stock M - Exercise D 1,003 19,878
2017-08-16 2017-08-15 4 Bender Mark Steven WLK Common Stock S - Sale D 70.2204 -13,794 -969 44,449
2017-08-15 2017-08-14 4 Jenkins Dorothy C WLK Employee Option (right to buy) M - Exercise D 13.56 3,840 0
2017-08-15 2017-08-14 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 13.5625 3,840 52 45,115
2017-05-18 2017-05-17 4 Mangieri George J WLK Common Stock S - Sale D 62.2070 -6,578 -409 6,577
2017-03-13 2017-03-10 4 Bender Mark Steven WLK Common Stock S - Sale D 64.3154 -12,000 -772 58,243
2017-03-03 2017-03-01 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 44.42 -4,445 45
2017-03-03 2017-03-01 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 45.70 -3,748 0
2017-03-03 2017-03-01 4 Buesinger Robert F. WLK Common Stock S - Sale D 66.2500 -8,193 -543 9,309
2017-03-03 2017-03-01 4 Buesinger Robert F. WLK Common Stock M - Exercise D 44.4200 4,445 197 17,502
2017-03-03 2017-03-01 4 Buesinger Robert F. WLK Common Stock M - Exercise D 45.6975 3,748 171 13,057
2017-02-28 2017-02-23 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 15.80 -42,180 0
2017-02-28 2017-02-23 4 Chao Albert WLK Common Stock S - Sale D 63.3505 -42,180 -2,672 274,018
2017-02-28 2017-02-23 4 Chao Albert WLK Common Stock M - Exercise D 15.8050 42,180 667 316,198
2017-02-22 2017-02-17 4 Mangieri George J WLK Restricted Stock Units A - Award D 1,156 1,156
2017-02-22 2017-02-17 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 61.86 4,515 4,515
2017-02-22 2017-02-17 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 2,647 2,647
2017-02-22 2017-02-17 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 61.86 10,340 10,340
2017-02-22 2017-02-17 4 Kenner Andrew WLK Restricted Stock Units A - Award D 2,647 2,647
2017-02-22 2017-02-17 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 61.86 10,340 10,340
2017-02-22 2017-02-17 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 5,375 5,375
2017-02-22 2017-02-17 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 61.86 20,995 20,995
2017-02-22 2017-02-17 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 3,306 3,306
2017-02-22 2017-02-17 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 61.86 12,913 12,913
2017-02-22 2017-02-17 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 3,516 3,516
2017-02-22 2017-02-17 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 61.86 13,734 13,734
2017-02-22 2017-02-17 4 Chao James WLK Restricted Stock Units A - Award D 15,922 15,922
2017-02-22 2017-02-17 4 Chao James WLK Employee Option (right to buy) A - Award D 61.86 62,197 62,197
2017-02-22 2017-02-17 4 Chao Albert WLK Restricted Stock Units A - Award D 19,902 19,902
2017-02-22 2017-02-17 4 Chao Albert WLK Employee Option (right to buy) A - Award D 61.86 77,746 77,746
2017-02-16 2017-02-15 4 Mangieri George J WLK Common Stock F - Taxes D 64.0100 -320 -20 13,155
2017-02-16 2017-02-14 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -972 0
2017-02-16 2017-02-14 4 Mangieri George J WLK Common Stock M - Exercise D 972 13,475
2017-02-16 2017-02-15 4 Chao James WLK Common Stock F - Taxes D 64.0100 -2,837 -182 118,969
2017-02-16 2017-02-14 4 Chao James WLK Restricted Stock Units M - Exercise D -10,274 0
2017-02-16 2017-02-14 4 Chao James WLK Common Stock M - Exercise D 10,274 121,806
2017-02-16 2017-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -342 0
2017-02-16 2017-02-14 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 342 5,724
2017-02-16 2017-02-15 4 Mattina Michael J. WLK Common Stock F - Taxes D 64.0100 -217 -14 6,506
2017-02-16 2017-02-14 4 Mattina Michael J. WLK Restricted Stock Units M - Exercise D -660 0
2017-02-16 2017-02-14 4 Mattina Michael J. WLK Common Stock M - Exercise D 660 6,723
2017-02-16 2017-02-15 4 Buesinger Robert F. WLK Common Stock F - Taxes D 64.0100 -520 -33 9,309
2017-02-16 2017-02-14 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -1,674 0
2017-02-16 2017-02-14 4 Buesinger Robert F. WLK Common Stock M - Exercise D 1,674 9,829
2017-02-16 2017-02-15 4 Bender Mark Steven WLK Common Stock F - Taxes D 64.0100 -909 -58 70,243
2017-02-16 2017-02-14 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -3,152 0
2017-02-16 2017-02-14 4 Bender Mark Steven WLK Common Stock M - Exercise D 3,152 71,152
2017-02-16 2017-02-15 4 Kenner Andrew WLK Common Stock F - Taxes D 64.0100 -522 -33 12,707
2017-02-16 2017-02-14 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -1,674 0
2017-02-16 2017-02-14 4 Kenner Andrew WLK Common Stock M - Exercise D 1,674 13,229
2017-02-16 2017-02-15 4 Teel Lawrence E. WLK Common Stock F - Taxes D 64.0100 -360 -23 1,604
2017-02-16 2017-02-14 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -1,094 0
2017-02-16 2017-02-14 4 Teel Lawrence E. WLK Common Stock M - Exercise D 1,094 1,964
2017-02-16 2017-02-15 4 Chao Albert WLK Common Stock F - Taxes D 64.0100 -3,522 -225 274,018
2017-02-16 2017-02-14 4 Chao Albert WLK Restricted Stock Units M - Exercise D -12,838 0
2017-02-16 2017-02-14 4 Chao Albert WLK Common Stock M - Exercise D 12,838 277,540
2016-12-05 2016-12-01 4 Mangieri George J WLK Restricted Stock Units A - Award D 3,330 3,330
2016-12-05 2016-12-01 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 8,324 8,324
2016-12-05 2016-12-01 4 Kenner Andrew WLK Restricted Stock Units A - Award D 3,330 3,330
2016-12-05 2016-12-01 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 4,995 4,995
2016-12-05 2016-12-01 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 1,665 1,665
2016-12-05 2016-12-01 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 8,324 8,324
2016-11-18 2016-11-17 4 Chao Albert By Mother's Estate WLK Common Stock S - Sale I 54.5700 -300 -16 0
2016-11-18 2016-11-17 4 Chao Albert By Mother's Estate WLK Common Stock S - Sale I 53.8241 -9,700 -522 300
2016-11-18 2016-11-16 4 Chao Albert By Mother's Estate WLK Common Stock S - Sale I 54.4451 -10,000 -544 10,000
2016-11-18 2016-11-17 4 Chao James By Mother's Estate WLK Common Stock S - Sale I 54.5700 -300 -16 0
2016-11-18 2016-11-17 4 Chao James By Mother's Estate WLK Common Stock S - Sale I 53.8241 -9,700 -522 300
2016-11-18 2016-11-16 4 Chao James By Mother's Estate WLK Common Stock S - Sale I 54.4451 -10,000 -544 10,000
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Employee Option (right to buy) M - Exercise D 45.70 -1,582 0
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Employee Option (right to buy) M - Exercise D 30.05 -1,334 0
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Employee Option (right to buy) M - Exercise D 15.80 -15,358 0
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Common Stock S - Sale D 53.7800 -18,274 -983 6,063
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Common Stock M - Exercise D 45.6975 1,582 72 24,337
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Common Stock M - Exercise D 30.0525 1,334 40 22,755
2016-11-17 2016-11-15 4 Mattina Michael J. WLK Common Stock M - Exercise D 15.8050 15,358 243 21,421
2016-11-16 2016-11-15 4 Chao Albert By Mother's Estate WLK Common Stock S - Sale I 53.0595 -10,000 -531 20,000
2016-11-16 2016-11-14 4 Chao Albert By Mother's Estate WLK Common Stock S - Sale I 52.8439 -10,000 -528 30,000
2016-11-16 2016-11-15 4 Chao James By Mother's Estate WLK Common Stock S - Sale I 53.0595 -10,000 -531 20,000
2016-11-16 2016-11-14 4 Chao James By Mother's Estate WLK Common Stock S - Sale I 52.8439 -10,000 -528 30,000
2016-11-14 2016-11-11 4 Mangieri George J WLK Common Stock S - Sale D 52.9086 -5,696 -301 12,503
2016-11-14 2016-11-10 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 30.05 -2,880 0
2016-11-14 2016-11-10 4 Buesinger Robert F. WLK Common Stock S - Sale D 54.4226 -2,880 -157 8,155
2016-11-14 2016-11-10 4 Buesinger Robert F. WLK Common Stock M - Exercise D 30.0525 2,880 87 11,035
2016-10-04 2016-10-03 4 Ederington L. Benjamin WLK Common Stock F - Taxes D 53.5100 -1,318 -71 5,382
2016-10-04 2016-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -4,786 0
2016-10-04 2016-09-30 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 4,786 6,700
2016-09-12 2016-09-09 4 Bates Simon WLK Common Stock F - Taxes D 51.0486 -149 -8 14,930
2016-09-12 2016-09-09 4 Bates Simon WLK Common Stock F - Taxes D 51.1100 -13,063 -668 15,079
2016-09-06 2016-09-01 4 Bates Simon WLK Common Stock A - Award D 28,142 28,142
2016-08-25 2016-08-24 4 Mangieri George J WLK Common Stock F - Taxes D 51.9300 -5,696 -296 18,199
2016-08-25 2016-08-23 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 15.80 -30,714 0
2016-08-25 2016-08-23 4 Mangieri George J WLK Common Stock S - Sale D 52.0009 -30,714 -1,597 23,895
2016-08-25 2016-08-23 4 Mangieri George J WLK Common Stock M - Exercise D 15.8050 30,714 485 54,609
2016-08-25 2016-08-24 4 Bender Mark Steven WLK Common Stock F - Taxes D 51.9300 -6,749 -350 68,000
2016-08-25 2016-08-23 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 15.80 -30,714 0
2016-08-25 2016-08-23 4 Bender Mark Steven WLK Common Stock M - Exercise D 15.8050 30,714 485 74,749
2016-08-25 2016-08-24 4 Mattina Michael J. WLK Common Stock F - Taxes D 51.9300 -2,443 -127 6,063
2016-08-24 2016-08-23 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 588 14,104
2016-08-24 2016-08-22 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 357 13,516
2016-08-24 2016-08-22 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 603 13,159
2016-08-24 2016-08-23 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 LUKENS MAX L WLK Common Stock M - Exercise D 588 18,875
2016-08-24 2016-08-22 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 LUKENS MAX L WLK Common Stock M - Exercise D 357 18,287
2016-08-24 2016-08-22 4 LUKENS MAX L WLK Common Stock M - Exercise D 603 17,930
2016-08-24 2016-08-23 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 588 20,689
2016-08-24 2016-08-22 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 357 20,101
2016-08-24 2016-08-22 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 603 19,744
2016-08-24 2016-08-23 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 588 41,275
2016-08-24 2016-08-22 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 357 40,687
2016-08-24 2016-08-22 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 603 40,330
2016-08-24 2016-08-23 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 588 3,077
2016-08-24 2016-08-22 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 357 2,489
2016-08-24 2016-08-22 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 603 2,132
2016-08-24 2016-08-23 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -588 0
2016-08-24 2016-08-23 4 Graff Michael J WLK Common Stock M - Exercise D 588 3,077
2016-08-24 2016-08-22 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -357 357
2016-08-24 2016-08-22 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -603 1,206
2016-08-24 2016-08-22 4 Graff Michael J WLK Common Stock M - Exercise D 357 2,489
2016-08-24 2016-08-22 4 Graff Michael J WLK Common Stock M - Exercise D 603 2,132
2016-08-19 2016-08-17 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 3,009 3,009
2016-08-19 2016-08-17 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 3,009 3,009
2016-08-19 2016-08-17 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 3,009 3,009
2016-08-19 2016-08-17 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 3,009 3,009
2016-08-19 2016-08-17 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 3,009 3,009
2016-08-19 2016-08-17 4 Graff Michael J WLK Restricted Stock Units A - Award D 3,009 3,009
2016-02-22 2016-02-18 4 Mangieri George J WLK Restricted Stock Units A - Award D 1,441 1,441
2016-02-22 2016-02-18 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 44.42 5,485 5,485
2016-02-22 2016-02-18 4 Chao Albert WLK Restricted Stock Units A - Award D 21,454 21,454
2016-02-22 2016-02-18 4 Chao Albert WLK Employee Option (right to buy) A - Award D 44.42 81,673 81,673
2016-02-22 2016-02-18 4 Chao James WLK Restricted Stock Units A - Award D 17,154 17,154
2016-02-22 2016-02-18 4 Chao James WLK Employee Option (right to buy) A - Award D 44.42 65,304 65,304
2016-02-22 2016-02-18 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 6,566 6,566
2016-02-22 2016-02-18 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 44.42 24,996 24,996
2016-02-22 2016-02-18 4 Kenner Andrew WLK Restricted Stock Units A - Award D 2,844 2,844
2016-02-22 2016-02-18 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 44.42 10,827 10,827
2016-02-22 2016-02-18 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 3,539 3,539
2016-02-22 2016-02-18 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 44.42 13,472 13,472
2016-02-22 2016-02-18 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 3,137 3,137
2016-02-22 2016-02-18 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 44.42 11,941 11,941
2016-02-22 2016-02-18 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 3,302 3,302
2016-02-22 2016-02-18 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 44.42 12,569 12,569
2016-02-22 2016-02-18 4 Mattina Michael J. WLK Restricted Stock Units A - Award D 2,296 2,296
2016-02-22 2016-02-18 4 Mattina Michael J. WLK Employee Option (right to buy) A - Award D 44.42 8,741 8,741
2016-02-18 2016-02-17 4 Mangieri George J WLK Common Stock F - Taxes D 43.5200 -451 -20 23,895
2016-02-18 2016-02-15 4 Mangieri George J WLK Restricted Stock Units M - Exercise D -1,362 0
2016-02-18 2016-02-15 4 Mangieri George J WLK Common Stock M - Exercise D 1,362 24,346
2016-02-18 2016-02-17 4 Chao Albert WLK Common Stock F - Taxes D 43.5200 -3,931 -171 264,702
2016-02-18 2016-02-15 4 Chao Albert WLK Restricted Stock Units M - Exercise D -14,246 0
2016-02-18 2016-02-15 4 Chao Albert WLK Common Stock M - Exercise D 14,246 268,633
2016-02-18 2016-02-15 4 Chao James WLK Restricted Stock Units M - Exercise D -11,406 0
2016-02-18 2016-02-15 4 Chao James WLK Common Stock M - Exercise D 11,406 111,532
2016-02-18 2016-02-17 4 Bender Mark Steven WLK Common Stock F - Taxes D 43.5200 -1,172 -51 44,035
2016-02-18 2016-02-15 4 Bender Mark Steven WLK Restricted Stock Units M - Exercise D -4,040 0
2016-02-18 2016-02-15 4 Bender Mark Steven WLK Common Stock M - Exercise D 4,040 45,207
2016-02-18 2016-02-17 4 Kenner Andrew WLK Common Stock F - Taxes D 43.5200 -703 -31 11,555
2016-02-18 2016-02-15 4 Kenner Andrew WLK Restricted Stock Units M - Exercise D -2,238 0
2016-02-18 2016-02-15 4 Kenner Andrew WLK Common Stock M - Exercise D 2,238 12,258
2016-02-18 2016-02-17 4 Buesinger Robert F. WLK Common Stock F - Taxes D 43.5200 -667 -29 8,155
2016-02-18 2016-02-15 4 Buesinger Robert F. WLK Restricted Stock Units M - Exercise D -2,114 0
2016-02-18 2016-02-15 4 Buesinger Robert F. WLK Common Stock M - Exercise D 2,114 8,822
2016-02-18 2016-02-17 4 Teel Lawrence E. WLK Common Stock F - Taxes D 43.5200 -257 -11 870
2016-02-18 2016-02-15 4 Teel Lawrence E. WLK Restricted Stock Units M - Exercise D -774 0
2016-02-18 2016-02-15 4 Teel Lawrence E. WLK Common Stock M - Exercise D 774 1,127
2016-02-18 2016-02-17 4 Mattina Michael J. WLK Common Stock F - Taxes D 43.5200 -296 -13 8,506
2016-02-18 2016-02-15 4 Mattina Michael J. WLK Restricted Stock Units M - Exercise D -892 0
2016-02-18 2016-02-15 4 Mattina Michael J. WLK Common Stock M - Exercise D 892 8,802
2015-11-12 2015-11-10 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 30.05 -1,974 0
2015-11-12 2015-11-10 4 Mangieri George J WLK Common Stock S - Sale D 60.1901 -811 -49 22,984
2015-11-12 2015-11-10 4 Mangieri George J WLK Common Stock S - Sale D 60.2124 -1,974 -119 23,795
2015-11-12 2015-11-10 4 Mangieri George J WLK Common Stock M - Exercise D 30.0525 1,974 59 25,769
2015-10-01 2015-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units M - Exercise D -1,914 0
2015-10-01 2015-09-30 4 Ederington L. Benjamin WLK Common Stock M - Exercise D 1,914 1,914
2015-08-25 2015-08-23 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 586 1,529
2015-08-25 2015-08-22 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 357 943
2015-08-25 2015-08-21 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-25 2015-08-23 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 586 39,727
2015-08-25 2015-08-22 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 357 39,141
2015-08-25 2015-08-21 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-25 2015-08-23 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 Graff Michael J WLK Common Stock M - Exercise D 586 1,529
2015-08-25 2015-08-22 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 Graff Michael J WLK Common Stock M - Exercise D 357 943
2015-08-25 2015-08-21 4 Graff Michael J WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-25 2015-08-23 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 LUKENS MAX L WLK Common Stock M - Exercise D 586 17,327
2015-08-25 2015-08-22 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 LUKENS MAX L WLK Common Stock M - Exercise D 357 16,741
2015-08-25 2015-08-21 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-25 2015-08-23 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 586 12,556
2015-08-25 2015-08-22 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 357 11,970
2015-08-25 2015-08-21 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-25 2015-08-23 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -586 588
2015-08-25 2015-08-23 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 586 19,141
2015-08-25 2015-08-22 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -357 714
2015-08-25 2015-08-22 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 357 18,555
2015-08-25 2015-08-21 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 1,809 1,809
2015-08-13 2015-08-11 4 BLAKELY ROBERT T WLK Employee Option (right to buy) M - Exercise D 12.26 -1,776 0
2015-08-13 2015-08-11 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 63.0000 -5,143 -324 11,613
2015-08-13 2015-08-11 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 12.2550 1,776 22 16,756
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 45.70 -2,014 2,014
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 63.98 -1,720 3,494
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 30.05 -3,112 0
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Common Stock S - Sale D 70.5001 -1,297 -91 20,206
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Common Stock S - Sale D 70.5840 -6,846 -483 21,503
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 45.6975 2,014 92 28,349
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 63.9775 1,720 110 26,335
2015-05-27 2015-05-26 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 30.0525 3,112 94 24,615
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 30.05 -898 0
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 45.70 -686 686
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Common Stock S - Sale D 70.2330 -541 -38 353
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Common Stock S - Sale D 70.2530 -1,584 -111 894
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Common Stock M - Exercise D 30.0525 898 27 2,478
2015-05-12 2015-05-11 4 Teel Lawrence E. WLK Common Stock M - Exercise D 45.6975 686 31 1,580
2015-05-08 2015-05-06 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 22.92 -2,526 0
2015-05-08 2015-05-06 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 30.05 -6,092 0
2015-05-08 2015-05-06 4 Kenner Andrew WLK Common Stock S - Sale D 72.3169 -2,161 -156 10,020
2015-05-08 2015-05-06 4 Kenner Andrew WLK Common Stock S - Sale D 72.2690 -8,618 -623 12,181
2015-05-08 2015-05-06 4 Kenner Andrew WLK Common Stock M - Exercise D 22.9150 2,526 58 20,799
2015-05-08 2015-05-06 4 Kenner Andrew WLK Common Stock M - Exercise D 30.0525 6,092 183 18,273
2015-04-13 3 Mattina Michael J. WLK Common Stock D 15,820
2015-04-13 3 Mattina Michael J. WLK Common Stock D 15,820
2015-02-24 2015-02-20 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 1,762 1,762
2015-02-24 2015-02-20 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 68.09 5,876 5,876
2015-02-24 2015-02-20 4 Teel Lawrence E. WLK Restricted Stock units A - Award D 1,762 1,762
2015-02-24 2015-02-20 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 68.09 5,876 5,876
2015-02-24 2015-02-20 4 Mangieri George J WLK Restricted Stock Units A - Award D 913 913
2015-02-24 2015-02-20 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 68.09 3,046 3,046
2015-02-24 2015-02-20 4 Taylor Jeffrey L WLK Restricted Stock Units A - Award D 1,621 1,621
2015-02-24 2015-02-20 4 Taylor Jeffrey L WLK Employee Option (right to buy) A - Award D 68.09 5,406 5,406
2015-02-24 2015-02-20 4 Hansen David R WLK Restricted Stock Units A - Award D 2,264 2,264
2015-02-24 2015-02-20 4 Hansen David R WLK Employee Option (right to buy) A - Award D 68.09 7,550 7,550
2015-02-24 2015-02-20 4 Chao Albert WLK Restricted Stock Units A - Award D 13,585 13,585
2015-02-24 2015-02-20 4 Chao Albert WLK Employee Option (right to buy) A - Award D 68.09 45,298 45,298
2015-02-24 2015-02-20 4 Chao James WLK Restricted Stock Units A - Award D 10,868 10,868
2015-02-24 2015-02-20 4 Chao James WLK Employee Option (right to buy) A - Award D 68.09 36,238 36,238
2015-02-24 2015-02-20 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 3,619 3,619
2015-02-24 2015-02-20 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 68.09 12,066 12,066
2015-02-24 2015-02-20 4 Kenner Andrew WLK Restricted Stock Units A - Award D 1,802 1,802
2015-02-24 2015-02-20 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 68.09 6,007 6,007
2015-02-24 2015-02-20 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 1,982 1,982
2015-02-24 2015-02-20 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 68.09 6,608 6,608
2015-02-20 2014-08-23 4 NORTHCUTT R BRUCE WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 NORTHCUTT R BRUCE WLK Common Stock M - Exercise D 586 586
2015-02-20 2014-08-23 4 Graff Michael J WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 Graff Michael J WLK Common Stock M - Exercise D 586 586
2015-02-20 2014-08-23 4 Jenkins Dorothy C WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 586 38,784
2015-02-20 2015-02-18 4 Teel Lawrence E. WLK Common Stock F - Taxes D 66.7867 -342 -23 894
2015-02-20 2015-02-18 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 66.7870 -1,037 -69 21,503
2015-02-20 2015-02-18 4 Mangieri George J WLK Common Stock F - Taxes D 66.7876 -681 -45 23,795
2015-02-20 2015-02-18 4 Kenner Andrew WLK Common Stock F - Taxes D 66.7869 -1,017 -68 12,181
2015-02-20 2015-02-18 4 Hansen David R WLK Common Stock F - Taxes D 66.7871 -1,073 -72 25,807
2015-02-20 2015-02-18 4 Buesinger Robert F. WLK Common Stock F - Taxes D 66.7871 -964 -64 6,708
2015-02-20 2015-02-18 4 Bender Mark Steven WLK Common Stock F - Taxes D 66.7873 -1,823 -122 41,167
2015-02-20 2015-02-18 4 Chao Albert WLK Common Stock F - Taxes D 66.7869 -7,821 -522 254,387
2015-02-20 2014-08-23 4 BLAKELY ROBERT T WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 586 14,980
2015-02-20 2014-08-23 4 RILEY H JOHN JR WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 586 18,198
2015-02-20 2014-08-23 4 LUKENS MAX L WLK Restricted Stock Units M - Exercise D -586 1,174
2015-02-20 2014-08-23 4 LUKENS MAX L WLK Common Stock M - Exercise D 586 16,384
2014-08-27 2014-08-25 4 Chao James WLK Employee Option (right to buy) M - Exercise D 22.92 -30,559 0
2014-08-27 2014-08-25 4 Chao James WLK Common Stock S - Sale D 95.0032 -30,559 -2,903 100,126
2014-08-27 2014-08-25 4 Chao James WLK Common Stock M - Exercise D 22.9150 30,559 700 130,685
2014-08-26 2014-08-22 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-26 2014-08-22 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-26 2014-08-22 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-26 2014-08-22 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-26 2014-08-22 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-26 2014-08-22 4 Graff Michael J WLK Restricted Stock Units A - Award D 1,071 1,071
2014-08-25 2014-08-22 4 Chao James WLK Employee Option (right to buy) M - Exercise D 10.26 -31,594 0
2014-08-25 2014-08-22 4 Chao James WLK Employee Option (right to buy) M - Exercise D 22.92 -10,785 30,559
2014-08-25 2014-08-22 4 Chao James WLK Common Stock S - Sale D 93.5737 -42,379 -3,966 100,126
2014-08-25 2014-08-22 4 Chao James WLK Common Stock M - Exercise D 10.2625 31,594 324 142,505
2014-08-25 2014-08-22 4 Chao James WLK Common Stock M - Exercise D 22.9150 10,785 247 110,911
2014-06-10 2014-06-09 4 Chao James WLK Employee Option (right to buy) M - Exercise D 30.05 -32,838 16,420
2014-06-10 2014-06-09 4 Chao James WLK Employee Option (right to buy) M - Exercise D 45.70 -10,108 20,218
2014-06-10 2014-06-09 4 Chao James WLK Common Stock S - Sale D 82.0106 -42,946 -3,522 100,126
2014-06-10 2014-06-09 4 Chao James WLK Common Stock M - Exercise D 30.0525 32,838 987 143,072
2014-06-10 2014-06-09 4 Chao James WLK Common Stock M - Exercise D 45.6975 10,108 462 110,234
2014-06-04 2014-06-03 4 Jenkins Dorothy C WLK Employee Option (right to buy) M - Exercise D 7.25 -5,518 0
2014-06-04 2014-06-03 4 Jenkins Dorothy C WLK Common Stock M - Exercise D 7.2500 5,518 40 38,198
2014-05-08 2014-05-07 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 45.70 -1,872 3,748
2014-05-08 2014-05-07 4 Buesinger Robert F. WLK Common Stock S - Sale D 77.3608 -1,872 -145 7,672
2014-05-08 2014-05-07 4 Buesinger Robert F. WLK Common Stock M - Exercise D 45.6975 1,872 86 9,544
2014-03-14 2014-03-13 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 135.0300 -1,609 -217 7,197
2014-03-04 2014-03-03 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 31.61 -15,357 15,357
2014-03-04 2014-03-03 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 31.61 -2,364 0
2014-03-04 2014-03-03 4 Bender Mark Steven WLK Common Stock S - Sale D 133.6000 -17,721 -2,368 21,495
2014-03-04 2014-03-03 4 Bender Mark Steven WLK Common Stock M - Exercise D 31.6100 15,357 485 39,216
2014-03-04 2014-03-03 4 Bender Mark Steven WLK Common Stock M - Exercise D 31.6100 2,364 75 23,859
2014-03-03 2014-02-28 4 RILEY H JOHN JR WLK Employee Option (right to buy) M - Exercise D 20.82 -3,826 0
2014-03-03 2014-02-28 4 RILEY H JOHN JR WLK Employee Option (right to buy) M - Exercise D 24.51 -3,549 0
2014-03-03 2014-02-28 4 RILEY H JOHN JR WLK Common Stock S - Sale D 134.7047 -7,375 -993 8,806
2014-03-03 2014-02-28 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 20.8250 3,826 80 16,181
2014-03-03 2014-02-28 4 RILEY H JOHN JR WLK Common Stock M - Exercise D 24.5100 3,549 87 12,355
2014-03-03 2014-02-28 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 60.10 -3,226 1,614
2014-03-03 2014-02-28 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 91.40 -1,006 2,014
2014-03-03 2014-02-28 4 Hansen David R WLK Common Stock S - Sale D 134.4962 -4,232 -569 13,440
2014-03-03 2014-02-28 4 Hansen David R WLK Common Stock M - Exercise D 60.1050 3,226 194 17,672
2014-03-03 2014-02-28 4 Hansen David R WLK Common Stock M - Exercise D 91.3950 1,006 92 14,446
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 60.10 -449 449
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 91.40 -342 686
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 45.83 -223 0
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Common Stock S - Sale D 134.7047 -1,107 -149 618
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Common Stock M - Exercise D 60.1050 449 27 1,725
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Common Stock M - Exercise D 91.3950 342 31 1,276
2014-03-03 2014-02-28 4 Teel Lawrence E. WLK Common Stock M - Exercise D 45.8300 223 10 934
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 91.40 -1,006 2,014
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 60.10 -1,555 1,556
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 45.83 -1,295 0
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Common Stock S - Sale D 132.6179 -4,314 -572 11,270
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 91.3950 1,006 92 15,584
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 60.1050 1,555 93 14,578
2014-02-28 2014-02-27 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 45.8300 1,295 59 13,023
2014-02-27 2014-02-26 4 Mangieri George J WLK Common Stock S - Sale D 133.0110 -354 -47 12,238
2014-02-27 2014-02-26 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 45.83 -922 0
2014-02-27 2014-02-26 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 60.10 -1,439 1,440
2014-02-27 2014-02-26 4 Buesinger Robert F. WLK Common Stock S - Sale D 132.9540 -2,361 -314 3,836
2014-02-27 2014-02-26 4 Buesinger Robert F. WLK Common Stock M - Exercise D 45.8300 922 42 6,197
2014-02-27 2014-02-26 4 Buesinger Robert F. WLK Common Stock M - Exercise D 60.1050 1,439 86 5,275
2014-02-26 2014-02-24 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 45.83 -1,013 0
2014-02-26 2014-02-24 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 60.10 -1,972 987
2014-02-26 2014-02-24 4 Mangieri George J WLK Common Stock S - Sale D 132.2701 -1,791 -237 12,592
2014-02-26 2014-02-24 4 Mangieri George J WLK Common Stock S - Sale D 132.2765 -1,194 -158 14,383
2014-02-26 2014-02-24 4 Mangieri George J WLK Common Stock M - Exercise D 45.8300 1,013 46 15,577
2014-02-26 2014-02-24 4 Mangieri George J WLK Common Stock M - Exercise D 60.1050 1,972 119 14,564
2014-02-21 2014-02-19 4 Mangieri George J WLK Common Stock F - Taxes D 129.0000 -562 -72 12,592
2014-02-21 2014-02-19 4 Mangieri George J WLK Common Stock F - Taxes D 129.5801 -3 -0 13,154
2014-02-21 2014-02-19 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 129.0000 -710 -92 11,728
2014-02-21 2014-02-19 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 129.5800 -3 -0 12,438
2014-02-21 2014-02-19 4 Hansen David R WLK Common Stock F - Taxes D 129.0000 -709 -91 13,440
2014-02-21 2014-02-19 4 Hansen David R WLK Common Stock F - Taxes D 129.5800 -3 -0 14,149
2014-02-21 2014-02-19 4 Chao Albert WLK Common Stock F - Taxes D 129.0000 -4,879 -629 131,104
2014-02-21 2014-02-19 4 Chao Albert WLK Common Stock F - Taxes D 129.5800 -25 -3 135,983
2014-02-21 2014-02-19 4 Chao James WLK Common Stock F - Taxes D 129.0000 -3,662 -472 50,063
2014-02-21 2014-02-19 4 Chao James WLK Common Stock F - Taxes D 129.5800 -18 -2 53,725
2014-02-21 2014-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 129.0000 -1,184 -153 21,495
2014-02-21 2014-02-19 4 Bender Mark Steven WLK Common Stock F - Taxes D 129.5800 -6 -1 22,679
2014-02-21 2014-02-19 4 Kenner Andrew WLK Common Stock F - Taxes D 129.0000 -693 -89 6,599
2014-02-21 2014-02-19 4 Kenner Andrew WLK Common Stock F - Taxes D 129.5800 -3 -0 7,292
2014-02-21 2014-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 129.0000 -341 -44 3,836
2014-02-21 2014-02-19 4 Buesinger Robert F. WLK Common Stock F - Taxes D 129.5800 -1 -0 4,177
2014-02-21 2014-02-19 4 Teel Lawrence E. WLK Common Stock F - Taxes D 129.0000 -93 -12 711
2014-02-19 2014-02-14 4 Mangieri George J WLK Restricted Stock Units A - Award D 486 486
2014-02-19 2014-02-14 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 127.96 1,514 1,514
2014-02-19 2014-02-14 4 Taylor Jeffrey L WLK Restricted Stock Units A - Award D 837 837
2014-02-19 2014-02-14 4 Taylor Jeffrey L WLK Employee Option (right to buy) A - Award D 127.96 2,607 2,607
2014-02-19 2014-02-14 4 Hansen David R WLK Restricted Stock Units A - Award D 867 867
2014-02-19 2014-02-14 4 Hansen David R WLK Employee Option (right to buy) A - Award D 127.96 2,702 2,702
2014-02-19 2014-02-14 4 Chao Albert WLK Restricted Stock Units A - Award D 6,419 6,419
2014-02-19 2014-02-14 4 Chao Albert WLK Employee Option (right to buy) A - Award D 127.96 19,994 19,994
2014-02-19 2014-02-14 4 Chao James WLK Restricted Stock Units A - Award D 5,137 5,137
2014-02-19 2014-02-14 4 Chao James WLK Employee Option (right to buy) A - Award D 127.96 16,000 16,000
2014-02-19 2014-02-14 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 1,576 1,576
2014-02-19 2014-02-14 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 127.96 4,908 4,908
2014-02-19 2014-02-14 4 Kenner Andrew WLK Restricted Stock Units A - Award D 837 837
2014-02-19 2014-02-14 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 127.96 2,607 2,607
2014-02-19 2014-02-14 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 837 837
2014-02-19 2014-02-14 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 127.96 2,607 2,607
2014-02-19 2014-02-14 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 547 547
2014-02-19 2014-02-14 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 127.96 1,704 1,704
2014-02-19 2014-02-14 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 171 171
2014-02-19 2014-02-14 4 Ederington L. Benjamin WLK Employee Option (right to buy) A - Award D 127.96 533 533
2014-01-02 2013-12-30 4 Chao James WLK Common Stock G - Gift D -9,632 53,743
2013-12-30 2013-12-27 4 Chao James WLK Common Stock G - Gift D -1,000 63,375
2013-12-30 2013-12-26 4 Chao James WLK Common Stock G - Gift D -500 64,375
2013-12-18 2013-12-16 4 Chao James WLK Common Stock G - Gift D -1,000 64,875
2013-11-27 2013-11-25 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 112.2107 -2,534 -284 8,806
2013-11-13 2013-11-11 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 24.51 -888 888
2013-11-13 2013-11-11 4 LUKENS MAX L WLK Common Stock S - Sale D 113.3920 -700 -79 7,899
2013-11-13 2013-11-11 4 LUKENS MAX L WLK Common Stock S - Sale D 113.3710 -188 -21 8,599
2013-11-13 2013-11-11 4 LUKENS MAX L WLK Common Stock M - Exercise D 24.5100 888 22 8,787
2013-10-07 2013-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 3,350 3,350
2013-10-07 2013-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 2,393 2,393
2013-10-07 2013-09-30 4 Ederington L. Benjamin WLK Restricted Stock Units A - Award D 957 957
2013-08-27 2013-08-23 4 BLAKELY ROBERT T WLK Restricted Stock Units A - Award D 880 880
2013-08-27 2013-08-23 4 LUKENS MAX L WLK Restricted Stock Units A - Award D 880 880
2013-08-27 2013-08-23 4 RILEY H JOHN JR WLK Restricted Stock Units A - Award D 880 880
2013-08-27 2013-08-23 4 Jenkins Dorothy C WLK Restricted Stock Units A - Award D 880 880
2013-08-27 2013-08-23 4 NORTHCUTT R BRUCE WLK Restricted Stock Units A - Award D 880 880
2013-08-27 2013-08-23 4 Graff Michael J WLK Restricted Stock Units A - Award D 880 880
2013-08-14 2013-08-12 4 Bender Mark Steven WLK Common Stock S - Sale D 101.0000 -2,930 -296 22,685
2013-08-12 2013-08-08 4 Bender Mark Steven WLK Common Stock S - Sale D 101.0001 -3,000 -303 25,615
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 45.83 -2,590 0
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 60.10 -1,261 0
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 20.52 -8,935 0
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Common Stock S - Sale D 105.7149 -12,786 -1,352 25,163
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Common Stock M - Exercise D 45.8300 2,590 119 37,949
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Common Stock M - Exercise D 60.1050 1,261 76 35,359
2013-08-05 2013-08-01 4 LUKENS MAX L WLK Common Stock M - Exercise D 20.5250 8,935 183 34,098
2013-08-05 2013-08-01 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 45.83 -2,025 1,013
2013-08-05 2013-08-01 4 Mangieri George J WLK Common Stock S - Sale D 104.6700 -2,025 -212 13,157
2013-08-05 2013-08-01 4 Mangieri George J WLK Common Stock M - Exercise D 45.8300 2,025 93 15,182
2013-08-05 2013-08-01 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 45.83 -2,590 0
2013-08-05 2013-08-01 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 60.10 -1,261 0
2013-08-05 2013-08-01 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 20.52 -8,935 0
2013-08-05 2013-08-01 4 Wallace Stephen WLK Common Stock S - Sale D 105.7149 -12,786 -1,352 25,163
2013-08-05 2013-08-01 4 Wallace Stephen WLK Common Stock M - Exercise D 45.8300 2,590 119 37,949
2013-08-05 2013-08-01 4 Wallace Stephen WLK Common Stock M - Exercise D 60.1050 1,261 76 35,359
2013-08-05 2013-08-01 4 Wallace Stephen WLK Common Stock M - Exercise D 20.5250 8,935 183 34,098
2013-05-30 2013-05-28 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 45.83 1,263 1,263
2013-05-30 2013-05-28 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 60.10 1,523 3,046
2013-05-30 2013-05-28 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 20.52 2,893 0
2013-05-30 2013-05-28 4 Kenner Andrew WLK Common Stock S - Sale D 94.1283 -9,607 -904 7,295
2013-05-30 2013-05-28 4 Kenner Andrew WLK Common Stock M - Exercise D 45.8300 1,263 58 16,902
2013-05-30 2013-05-28 4 Kenner Andrew WLK Common Stock M - Exercise D 60.1050 1,523 92 15,639
2013-05-30 2013-05-28 4 Kenner Andrew WLK Common Stock M - Exercise D 20.5250 2,893 59 14,116
2013-05-23 2013-05-21 4 Mangieri George J WLK Common Stock S - Sale D 94.5000 -1,001 -95 13,157
2013-05-23 2013-05-21 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 19.29 -9,092 0
2013-05-23 2013-05-21 4 Wallace Stephen WLK Common Stock S - Sale D 94.0170 -9,092 -855 25,163
2013-05-23 2013-05-21 4 Wallace Stephen WLK Common Stock M - Exercise D 19.2900 9,092 175 34,255
2013-05-10 2013-05-08 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 31.61 -3,585 0
2013-05-10 2013-05-08 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 31.61 -7,678 7,679
2013-05-10 2013-05-08 4 Wallace Stephen WLK Employee Option (right to buy) M - Exercise D 27.22 -2,594 0
2013-05-10 2013-05-08 4 Wallace Stephen WLK Common Stock S - Sale D 89.8000 -13,857 -1,244 25,163
2013-05-10 2013-05-08 4 Wallace Stephen WLK Common Stock M - Exercise D 31.6100 3,585 113 39,020
2013-05-10 2013-05-08 4 Wallace Stephen WLK Common Stock M - Exercise D 31.6100 7,678 243 35,435
2013-05-10 2013-05-08 4 Wallace Stephen WLK Common Stock M - Exercise D 27.2200 2,594 71 27,757
2013-05-10 2013-05-08 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 27.24 -1,478 0
2013-05-10 2013-05-08 4 Buesinger Robert F. WLK Common Stock S - Sale D 90.9707 -1,478 -134 4,178
2013-05-10 2013-05-08 4 Buesinger Robert F. WLK Common Stock M - Exercise D 27.2350 1,478 40 5,656
2013-04-10 2013-04-08 4 Buesinger Robert F. WLK Common Stock F - Taxes D 85.9200 -167 -14 4,178
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 25.42 -3,272 0
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 36.10 -922 0
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 27.22 -235 0
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Common Stock S - Sale D 95.0000 -4,429 -421 28,615
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 25.4200 3,272 83 33,044
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 36.1000 922 33 29,772
2013-03-26 2013-03-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 27.2200 235 6 28,850
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 45.83 -2,590 1,295
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 60.10 -1,555 3,111
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 20.52 -2,922 0
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Common Stock S - Sale D 95.3447 -8,335 -795 12,441
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 45.8300 2,590 119 20,776
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 60.1050 1,555 93 18,186
2013-03-21 2013-03-19 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 20.5250 2,922 60 16,631
2013-03-18 2012-08-06 4/A Hansen David R WLK Common Stock S - Sale D 67.1530 -24,342 -1,635 16,001
2013-03-18 2013-03-14 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 20.52 -1,017 0
2013-03-18 2013-03-14 4 Mangieri George J WLK Common Stock S - Sale D 96.0670 -1,017 -98 14,158
2013-03-18 2013-03-14 4 Mangieri George J WLK Common Stock M - Exercise D 20.5250 1,017 21 15,175
2013-03-18 2013-03-14 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 14.24 -1,618 0
2013-03-18 2013-03-14 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 20.52 -2,979 0
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.5000 -1,000 -96 14,052
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.6600 -100 -10 15,052
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.6500 -200 -19 15,152
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.6420 -400 -39 15,352
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.6410 -1 -0 15,752
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.5310 -400 -39 15,753
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.5300 -100 -10 16,153
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.4810 -300 -29 16,253
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.4800 -100 -10 16,553
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.4310 -200 -19 16,653
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.3800 -200 -19 16,853
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.3710 -196 -19 17,053
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.3700 -100 -10 17,249
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.3610 -300 -29 17,349
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock S - Sale D 96.3600 -2,000 -193 17,649
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock M - Exercise D 14.2350 1,618 23 19,649
2013-03-18 2013-03-14 4 Hansen David R WLK Common Stock M - Exercise D 20.5250 2,979 61 18,031
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Employee Option (right to buy) M - Exercise D 20.82 -957 0
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Employee Option (right to buy) M - Exercise D 24.51 -887 888
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 94.9630 -1,400 -133 11,340
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 94.9610 -444 -42 12,740
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 20.8250 957 20 13,184
2013-03-15 2013-03-13 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 24.5100 887 22 12,227
2013-03-15 2013-03-13 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 20.52 -1,291 1,017
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock S - Sale D 95.0900 -300 -29 14,158
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock S - Sale D 95.0800 -400 -38 14,458
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock S - Sale D 95.0600 -100 -10 14,858
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock S - Sale D 95.1000 -100 -10 14,958
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock S - Sale D 95.1100 -391 -37 15,058
2013-03-15 2013-03-13 4 Mangieri George J WLK Common Stock M - Exercise D 20.5250 1,291 26 15,449
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 45.83 -1,295 1,295
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 60.10 -1,623 3,246
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 20.52 -2,691 0
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.5301 -300 -28 13,106
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.5300 -100 -9 13,406
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.5101 -328 -31 13,506
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.5100 -600 -57 13,834
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.5000 -100 -9 14,434
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.4500 -1,300 -123 14,534
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.4201 -200 -19 15,834
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.4000 -2,700 -255 16,034
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.3500 -1,000 -94 18,734
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.4100 -543 -51 19,734
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.4000 -3,750 -354 20,277
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.3200 -200 -19 24,027
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.3100 -100 -9 24,227
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.3000 -700 -66 24,327
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 94.2701 -316 -30 25,027
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 45.8300 1,295 59 25,343
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 60.1050 1,623 98 24,048
2013-03-15 2013-03-13 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 20.5250 2,691 55 22,425
2013-03-14 2013-02-28 4/A Teel Lawrence E. WLK Common Stock F - Taxes D 84.0900 -194 -16 1,225
2013-03-14 2013-02-28 4/A Teel Lawrence E. WLK Common Stock F - Taxes D 84.7000 -2 -0 1,419
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 45.83 -446 223
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 60.10 -449 898
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Employee Option (right to buy) M - Exercise D 20.52 -520 0
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock S - Sale D 94.5230 -421 -40 804
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock S - Sale D 94.7650 -100 -9 1,225
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock S - Sale D 94.7200 -315 -30 1,325
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock S - Sale D 94.7119 -800 -76 1,640
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock S - Sale D 94.7100 -200 -19 2,440
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock M - Exercise D 45.8300 446 20 2,640
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock M - Exercise D 60.1050 449 27 2,194
2013-03-14 2013-03-12 4 Teel Lawrence E. WLK Common Stock M - Exercise D 20.5250 520 11 1,745
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 20.82 -957 0
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Employee Option (right to buy) M - Exercise D 24.51 -887 888
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock S - Sale D 92.7800 -100 -9 7,899
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock S - Sale D 92.7400 -300 -28 7,999
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock S - Sale D 92.6600 -144 -13 8,299
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock S - Sale D 92.6506 -1,200 -111 8,443
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock S - Sale D 92.6400 -100 -9 9,643
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock M - Exercise D 20.8250 957 20 9,743
2013-03-13 2013-03-11 4 LUKENS MAX L WLK Common Stock M - Exercise D 24.5100 887 22 8,786
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 45.83 -922 922
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 60.10 -1,439 2,879
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8168 -100 -9 4,345
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8150 -100 -9 4,445
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8103 -100 -9 4,545
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8100 -200 -19 4,645
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.8000 -600 -56 4,845
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.7900 -461 -43 5,445
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.7800 -100 -9 5,906
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.7700 -100 -9 6,006
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock S - Sale D 93.7600 -600 -56 6,106
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock M - Exercise D 45.8300 922 42 6,706
2013-03-13 2013-03-11 4 Buesinger Robert F. WLK Common Stock M - Exercise D 60.1050 1,439 86 5,784
2013-03-04 2013-02-28 4 Mangieri George J WLK Common Stock F - Taxes D 84.7000 -8 -1 14,158
2013-03-04 2013-02-28 4 Mangieri George J WLK Common Stock F - Taxes D 84.0900 -728 -61 14,166
2013-03-04 2013-02-28 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 84.8600 -10 -1 13,709
2013-03-04 2013-02-28 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 84.0900 -922 -78 13,719
2013-03-04 2013-02-28 4 Hansen David R WLK Common Stock F - Taxes D 84.7000 -9 -1 5,207
2013-03-04 2013-02-28 4 Hansen David R WLK Common Stock F - Taxes D 84.0900 -940 -79 5,216
2013-03-04 2013-02-28 4 Wallace Stephen WLK Common Stock F - Taxes D 84.7000 -9 -1 25,163
2013-03-04 2013-02-28 4 Wallace Stephen WLK Common Stock F - Taxes D 84.0900 -940 -79 25,172
2013-03-04 2013-02-28 4 Chao Albert WLK Common Stock F - Taxes D 84.7125 -104 -9 136,008
2013-03-04 2013-02-28 4 Chao Albert WLK Common Stock F - Taxes D 84.0900 -10,320 -868 136,112
2013-03-04 2013-02-28 4 Chao James WLK Common Stock F - Taxes D 84.7000 -50 -4 65,875
2013-03-04 2013-02-28 4 Chao James WLK Common Stock F - Taxes D 84.0900 -4,983 -419 65,925
2013-03-04 2013-02-28 4 Bender Mark Steven WLK Common Stock F - Taxes D 84.7000 -16 -1 28,615
2013-03-04 2013-02-28 4 Bender Mark Steven WLK Common Stock F - Taxes D 84.0900 -1,567 -132 28,631
2013-03-04 2013-02-28 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 84.7000 -9 -1 19,734
2013-03-04 2013-02-28 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 84.0900 -849 -71 19,743
2013-03-04 2013-02-28 4 Kenner Andrew WLK Common Stock F - Taxes D 84.7000 -9 -1 11,223
2013-03-04 2013-02-28 4 Kenner Andrew WLK Common Stock F - Taxes D 84.0900 -913 -77 11,232
2013-03-04 2013-02-28 4 Teel Lawrence E. WLK Common Stock F - Taxes D 84.0900 -194 -16 421
2013-03-04 2013-02-28 4 Teel Lawrence E. WLK Common Stock F - Taxes D 84.7000 -2 -0 615
2013-02-20 2012-05-29 4/A Chao James WLK Employee Option (right to buy) M - Exercise D 14.24 -70,194 33,802
2013-02-20 2012-08-22 4/A Chao James WLK Employee Option (right to buy) M - Exercise D 14.24 -33,802 0
2013-02-20 2012-08-22 4/A Chao James WLK Common Stock S - Sale D 69.0260 -33,802 -2,333 90,908
2013-02-20 2012-08-22 4/A Chao James WLK Common Stock M - Exercise D 14.2350 33,802 481 124,710
2013-02-20 2013-02-15 4 Mangieri George J WLK Restricted Stock Units A - Award D 681 681
2013-02-20 2013-02-15 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 91.40 1,809 1,809
2013-02-20 2013-02-15 4 Taylor Jeffrey L WLK Restricted Stock Units A - Award D 1,136 1,136
2013-02-20 2013-02-15 4 Taylor Jeffrey L WLK Employee Option (right to buy) A - Award D 91.40 3,020 3,020
2013-02-20 2013-02-15 4 Wallace Stephen WLK Restricted Stock Units A - Award D 933 933
2013-02-20 2013-02-15 4 Wallace Stephen WLK Employee Option (right to buy) A - Award D 91.40 2,480 2,480
2013-02-20 2013-02-15 4 Hansen David R WLK Restricted Stock Units A - Award D 1,136 1,136
2013-02-20 2013-02-15 4 Hansen David R WLK Employee Option (right to buy) A - Award D 91.40 3,020 3,020
2013-02-20 2013-02-15 4 Chao Albert WLK Restricted Stock Units A - Award D 7,123 7,123
2013-02-20 2013-02-15 4 Chao Albert WLK Employee Option (right to buy) A - Award D 91.40 18,938 18,938
2013-02-20 2013-02-15 4 Chao James WLK Restricted Stock Units A - Award D 5,703 5,703
2013-02-20 2013-02-15 4 Chao James WLK Employee Option (right to buy) A - Award D 91.40 15,163 15,163
2013-02-20 2013-02-15 4 Bender Mark Steven WLK Restricted Stock Units A - Award D 2,020 2,020
2013-02-20 2013-02-15 4 Bender Mark Steven WLK Employee Option (right to buy) A - Award D 91.40 5,370 5,370
2013-02-20 2013-02-15 4 Condon Donald Marion Jr WLK Restricted Stock Units A - Award D 1,136 1,136
2013-02-20 2013-02-15 4 Condon Donald Marion Jr WLK Employee Option (right to buy) A - Award D 91.40 3,020 3,020
2013-02-20 2013-02-15 4 Kenner Andrew WLK Restricted Stock Units A - Award D 1,119 1,119
2013-02-20 2013-02-15 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 91.40 2,976 2,976
2013-02-20 2013-02-15 4 Buesinger Robert F. WLK Restricted Stock Units A - Award D 1,057 1,057
2013-02-20 2013-02-15 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 91.40 2,810 2,810
2013-02-20 2013-02-15 4 Teel Lawrence E. WLK Restricted Stock Units A - Award D 387 387
2013-02-20 2013-02-15 4 Teel Lawrence E. WLK Employee Option (right to buy) A - Award D 91.40 1,028 1,028
2013-01-10 2012-12-10 4 Chao James WLK Common Stock G - Gift D -12,000 95,842
2012-12-12 2012-12-10 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 36.10 972 0
2012-12-12 2012-12-10 4 Mangieri George J WLK Common Stock S - Sale D 76.8415 -972 -75 14,894
2012-12-12 2012-12-10 4 Mangieri George J WLK Common Stock M - Exercise D 36.1000 972 35 15,866
2012-12-12 2012-12-10 4 Chao James WLK Common Stock G - Gift D -8,000 107,842
2012-12-12 2012-12-10 4 Condon Donald Marion Jr WLK Common Stock G - Gift D -528 20,592
2012-12-12 2012-12-10 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 45.83 922 1,844
2012-12-12 2012-12-10 4 Buesinger Robert F. WLK Common Stock S - Sale D 75.6815 -922 -70 4,345
2012-12-12 2012-12-10 4 Buesinger Robert F. WLK Common Stock M - Exercise D 45.8300 922 42 5,267
2012-12-11 2012-12-07 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 14.24 5,000 1,618
2012-12-11 2012-12-07 4 Hansen David R WLK Common Stock S - Sale D 73.6500 -5,000 -368 6,156
2012-12-11 2012-12-07 4 Hansen David R WLK Common Stock M - Exercise D 14.2350 5,000 71 11,156
2012-12-11 2012-12-07 4 Chao Albert WLK Common Stock S - Sale D 73.7800 -300 -22 146,432
2012-12-11 2012-12-07 4 Chao Albert WLK Common Stock S - Sale D 73.7700 -300 -22 146,732
2012-12-11 2012-12-07 4 Chao Albert WLK Common Stock S - Sale D 73.7600 -200 -15 147,032
2012-12-11 2012-12-07 4 Chao Albert WLK Common Stock S - Sale D 73.7500 -2,808 -207 147,232
2012-12-11 2012-12-07 4 Chao James WLK Employee Option (right to buy) M - Exercise D 20.52 30,193 15,797
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.7100 -900 -68 115,842
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.6800 -100 -8 116,742
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.6700 -100 -8 116,842
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.6600 -100 -8 116,942
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.6500 -300 -23 117,042
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5900 -100 -8 117,342
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5800 -200 -15 117,442
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5500 -100 -8 117,642
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5300 -200 -15 117,742
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5100 -400 -30 117,942
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.5000 -200 -15 118,342
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.4950 -200 -15 118,542
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.4800 -300 -23 118,742
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.4400 -200 -15 119,042
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.4300 -200 -15 119,242
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.4000 -100 -8 119,442
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3900 -400 -30 119,542
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3500 -5,220 -393 119,942
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3400 -2,200 -166 125,162
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3300 -500 -38 127,362
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3100 -1,300 -98 127,862
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.3000 -1,200 -90 129,162
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.2700 -300 -23 130,362
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 72.2600 -1,600 -116 130,662
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.2500 -5,077 -382 132,262
2012-12-11 2012-12-07 4 Chao James WLK Common Stock S - Sale D 75.2300 -8,696 -654 137,339
2012-12-11 2012-12-07 4 Chao James WLK Common Stock M - Exercise D 20.5250 30,193 620 146,035
2012-12-11 2012-12-07 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 14.24 6,428 0
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.9500 -200 -15 12,145
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.9401 -1,200 -89 12,345
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.9400 -1,028 -76 13,545
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.8400 -500 -37 14,573
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.8300 -100 -7 15,073
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.7900 -2,400 -177 15,173
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock S - Sale D 73.7300 -1,000 -74 17,573
2012-12-11 2012-12-07 4 Kenner Andrew WLK Common Stock M - Exercise D 14.2350 6,428 92 18,573
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.9000 -410 -30 150,040
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.8600 -100 -7 150,450
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.8000 -500 -36 150,550
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7900 -100 -7 151,050
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7600 -100 -7 151,150
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7400 -500 -36 151,250
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7300 -30 -2 151,750
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7100 -2,000 -145 151,780
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.7000 -100 -7 153,780
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6900 -300 -22 153,880
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6700 -200 -15 154,180
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6600 -800 -58 154,380
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6400 -100 -7 155,180
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6100 -302 -22 155,280
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.6000 -3,098 -225 155,582
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.5600 -101 -7 158,680
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.5500 -129 -9 158,781
2012-12-10 2012-12-06 4 Chao Albert WLK Common Stock S - Sale D 72.5000 -25,392 -1,841 158,910
2012-12-10 2012-12-06 4 Chao James WLK Employee Option (right to buy) M - Exercise D 20.52 -1,400 45,990
2012-12-10 2012-12-06 4 Chao James WLK Common Stock S - Sale D 73.0000 -1,400 -102 115,842
2012-12-10 2012-12-06 4 Chao James WLK Common Stock M - Exercise D 20.5250 1,400 29 117,242
2012-12-05 2012-12-03 4 Bender Mark Steven WLK Common Stock S - Sale D 73.5000 -758 -56 30,198
2012-12-05 2012-12-03 4 Bender Mark Steven WLK Common Stock S - Sale D 73.5000 -1,967 -145 30,956
2012-12-05 2012-12-03 4 Bender Mark Steven WLK Common Stock S - Sale D 73.5000 -316 -23 32,923
2012-12-05 2012-12-03 4 Bender Mark Steven WLK Common Stock S - Sale D 73.0000 -3,042 -222 33,239
2012-12-04 2012-11-30 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 45.83 1,295 2,590
2012-12-04 2012-11-30 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 72.6200 -1,295 -94 21,120
2012-12-04 2012-11-30 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 45.8300 1,295 59 22,415
2012-12-03 2012-11-30 4 BARNETT E WILLIAM WLK Common Stock M - Exercise D 27.1250 1,920 52 20,311
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Employee Option (right to buy) M - Exercise D 27.12 1,920 0
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Employee Option (right to buy) M - Exercise D 21.00 3,826 0
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Employee Option (right to buy) M - Exercise D 24.51 2,661 888
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Employee Option (right to buy) M - Exercise D 30.07 1,345 0
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7400 -100 -7 10,559
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7225 -100 -7 10,659
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7200 -100 -7 10,759
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7100 -400 -29 10,859
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7050 -100 -7 11,259
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7020 -100 -7 11,359
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.7000 -380 -28 11,459
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6700 -400 -29 11,839
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6600 -200 -15 12,239
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6500 -100 -7 12,439
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6400 -100 -7 12,539
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6300 -100 -7 12,639
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6200 -400 -29 12,739
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.6100 -200 -15 13,139
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.5800 -200 -15 13,339
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.5300 -400 -29 13,539
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.5200 -400 -29 13,939
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.4900 -200 -14 14,339
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.4200 -600 -43 14,539
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.4100 -200 -14 15,139
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock S - Sale D 72.4000 -4,972 -360 15,339
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock M - Exercise D 21.0000 3,826 80 18,391
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock M - Exercise D 24.5100 2,661 65 14,565
2012-12-03 2012-11-29 4 BARNETT E WILLIAM WLK Common Stock M - Exercise D 30.0700 1,345 40 11,904
2012-11-28 2012-11-26 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 14.24 42,579 77,946
2012-11-28 2012-11-26 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 36.10 4,514 0
2012-11-28 2012-11-26 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 27.22 8,547 0
2012-11-28 2012-11-26 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 14.50 35,400 0
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.9200 -200 -15 184,302
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.8900 -100 -8 184,502
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.8800 -300 -23 184,602
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.8700 -4,314 -327 184,902
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.8250 -100 -8 189,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.7950 -30 -2 189,316
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.7900 -400 -30 189,346
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.7300 -300 -23 189,746
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.7200 -100 -8 190,046
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.6601 -210 -16 190,146
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.6600 -100 -8 190,356
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.6301 -1,160 -88 190,456
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.6300 -600 -45 191,616
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.5000 -2,000 -151 192,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.4300 -100 -8 194,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.4100 -900 -68 194,316
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.4000 -100 -8 195,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.3500 -100 -8 195,316
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.3000 -3,800 -286 195,416
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.1000 -100 -8 199,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.0300 -21 -2 199,316
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.0200 -879 -66 199,337
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock S - Sale D 75.0000 -30,699 -2,302 200,216
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock M - Exercise D 14.2350 42,579 606 230,915
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock M - Exercise D 36.1000 4,514 163 188,336
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock M - Exercise D 27.2200 8,547 233 183,822
2012-11-28 2012-11-26 4 Chao Albert WLK Common Stock M - Exercise D 14.5000 35,400 513 175,275
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 14.24 4,407 4,407
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.9400 -100 -7 36,281
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.9300 -200 -15 36,381
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.9200 -325 -24 36,581
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.8900 -100 -7 36,906
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.8800 -100 -7 37,006
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.8600 -200 -15 37,106
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock S - Sale D 74.8400 -3,382 -253 37,306
2012-11-28 2012-11-26 4 Bender Mark Steven WLK Common Stock M - Exercise D 14.2350 4,407 63 40,688
2012-11-27 2012-11-23 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 14.24 20,000 120,525
2012-11-27 2012-11-23 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 36.10 5,000 4,514
2012-11-27 2012-11-23 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 27.22 5,000 4,514
2012-11-27 2012-11-23 4 Chao Albert WLK Employee Option (right to buy) M - Exercise D 14.50 9,000 35,400
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.4901 -1,600 -122 139,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.4900 -400 -31 141,475
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.4700 -300 -23 141,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.3800 -500 -38 142,175
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2800 -155 -12 142,675
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2700 -900 -69 142,830
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2501 -2,000 -153 143,730
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2100 -100 -8 145,730
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2001 -200 -15 145,830
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.2000 -3,026 -231 146,030
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.1900 -845 -64 149,056
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.1500 -100 -8 149,901
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.1400 -100 -8 150,001
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.1100 -74 -6 150,101
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.1000 -700 -53 150,175
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0800 -600 -46 150,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0500 -100 -8 151,475
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0400 -51 -4 151,575
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0300 -100 -8 151,626
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0200 -100 -8 151,726
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0100 -4,299 -327 151,826
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock S - Sale D 76.0000 -3,750 -285 156,125
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock M - Exercise D 14.2350 20,000 285 159,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock M - Exercise D 36.1000 5,000 180 139,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock M - Exercise D 27.2200 5,000 136 134,875
2012-11-27 2012-11-23 4 Chao Albert WLK Common Stock M - Exercise D 14.5000 9,000 130 129,875
2012-11-27 2012-11-23 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 14.24 1,220 8,814
2012-11-27 2012-11-23 4 Bender Mark Steven WLK Common Stock S - Sale D 75.9500 -1,220 -93 36,281
2012-11-27 2012-11-23 4 Bender Mark Steven WLK Common Stock M - Exercise D 14.2350 1,220 17 37,501
2012-08-24 2012-08-22 4 Chao James WLK Employee Option (right to buy) M - Exercise D 14.24 33,802 149,644
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0801 -1,000 -69 115,842
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0800 -1,000 -69 116,842
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0601 -802 -55 117,842
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0600 -100 -7 118,644
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0501 -1,000 -69 118,744
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0500 -8,865 -612 119,744
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0300 -5,515 -381 128,609
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0200 -300 -21 134,124
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0100 -100 -7 134,424
2012-08-24 2012-08-22 4 Chao James WLK Common Stock S - Sale D 69.0000 -15,120 -1,043 134,524
2012-08-24 2012-08-22 4 Chao James WLK Common Stock M - Exercise D 14.2350 33,802 481 149,644
2012-08-21 2012-08-17 4 BARNETT E WILLIAM WLK Common Stock A - Award D 68.6600 1,311 90 10,559
2012-08-21 2012-08-17 4 BLAKELY ROBERT T WLK Common Stock A - Award D 68.6600 1,311 90 11,340
2012-08-21 2012-08-17 4 RILEY H JOHN JR WLK Common Stock A - Award D 68.6600 1,311 90 8,806
2012-08-21 2012-08-17 4 LUKENS MAX L WLK Common Stock A - Award D 68.6600 1,311 90 7,899
2012-08-21 2012-08-17 4 Jenkins Dorothy C WLK Common Stock A - Award D 68.6600 1,311 90 16,340
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Employee Options (right to buy) M - Exercise D 36.10 1,128 0
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Employee Options (right to buy) M - Exercise D 31.61 3,058 0
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 27.22 2,107 0
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Employee Options (right to buy) M - Exercise D 20.52 2,922 2,922
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.2000 -1,500 -101 14,641
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1900 -200 -13 16,141
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1800 -415 -28 16,341
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1599 -1,500 -101 16,756
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1520 -100 -7 18,256
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1500 -1,145 -77 18,356
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1400 -661 -44 19,501
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1300 -301 -20 20,162
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1200 -715 -48 20,463
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.1000 -431 -29 21,178
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0800 -400 -27 21,609
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0700 -679 -46 22,009
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0600 -349 -23 22,688
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0500 -100 -7 23,037
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0200 -345 -23 23,137
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 67.0000 -930 -62 23,482
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 66.9900 -500 -33 24,412
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock S - Sale D 66.9701 -1,449 -97 24,912
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 3,610.0000 1,128 4,072 26,361
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 31.6100 3,058 97 25,233
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 27.2200 2,107 57 22,175
2012-08-13 2012-08-09 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 20.5250 2,922 60 20,068
2012-08-13 2012-08-09 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 45.83 1,262 2,526
2012-08-13 2012-08-09 4 Kenner Andrew WLK Employee Option (right to buy) M - Exercise D 20.52 2,893 2,893
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock S - Sale D 66.8300 -1,000 -67 12,145
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock S - Sale D 66.8200 -200 -13 13,145
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock S - Sale D 66.8100 -300 -20 13,345
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock S - Sale D 66.8000 -2,655 -177 13,645
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock M - Exercise D 45.8300 1,262 58 16,300
2012-08-13 2012-08-09 4 Kenner Andrew WLK Common Stock M - Exercise D 20.5250 2,893 59 15,038
2012-08-08 2012-08-06 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 20.52 2,979 2,979
2012-08-08 2012-08-06 4 Hansen David R WLK Employee Option (right to buy) M - Exercise D 31.61 11,518 11,518
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.2550 -100 -7 6,156
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.2400 -200 -13 6,256
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 500.0000 -500 -250 6,456
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.2200 -939 -63 6,956
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.2100 -2,300 -155 7,895
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.2000 -10,458 -703 10,195
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1700 -100 -7 20,653
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1600 -200 -13 20,753
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1500 -100 -7 20,953
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1400 -300 -20 21,053
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1300 -1,350 -91 21,353
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1200 -600 -40 22,703
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1100 -350 -23 23,303
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.1000 -200 -13 23,653
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0801 -1,445 -97 23,853
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0800 -300 -20 25,298
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0765 -9,845 -660 25,598
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0700 -1,000 -67 35,443
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0600 -200 -13 36,443
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0500 -800 -54 36,643
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0400 -300 -20 37,443
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0300 -2,000 -134 37,743
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0200 -200 -13 39,743
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock S - Sale D 67.0100 -400 -27 39,943
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock M - Exercise D 20.5250 2,979 61 40,343
2012-08-08 2012-08-06 4 Hansen David R WLK Common Stock M - Exercise D 31.6100 11,518 364 37,364
2012-08-08 2012-08-06 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 31.61 2,595 0
2012-08-08 2012-08-06 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 31.61 15,357 15,357
2012-08-08 2012-08-06 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 27.22 1,779 0
2012-08-08 2012-08-06 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 20.52 2,308 2,308
2012-08-08 2012-08-06 4 Mangieri George J WLK Employee Option (right to buy) M - Exercise D 14.24 5,128 0
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.1800 -200 -14 14,894
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.1700 -400 -27 15,094
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.1000 -200 -14 15,494
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.0900 -400 -27 15,694
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.0600 -400 -27 16,094
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.0500 -14,361 -977 16,494
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.0400 -400 -27 30,855
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 68.0000 -1,420 -97 31,255
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock S - Sale D 67.1500 -16,215 -1,089 32,675
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock M - Exercise D 31.6100 2,595 82 48,890
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock M - Exercise D 31.6100 15,357 485 46,295
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock M - Exercise D 27.2200 1,779 48 30,938
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock M - Exercise D 20.5250 2,308 47 29,159
2012-08-08 2012-08-06 4 Mangieri George J WLK Common Stock M - Exercise D 14.2350 5,128 73 26,851
2012-08-08 2012-08-06 4 Buesinger Robert F. WLK Employee Option (right to buy) M - Exercise D 27.24 1,478 1,478
2012-08-08 2012-08-06 4 Buesinger Robert F. WLK Common Stock S - Sale D 67.1601 -1,078 -72 4,345
2012-08-08 2012-08-06 4 Buesinger Robert F. WLK Common Stock S - Sale D 67.1600 -400 -27 5,423
2012-08-08 2012-08-06 4 Buesinger Robert F. WLK Common Stock M - Exercise D 27.2350 1,478 40 5,823
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 31.61 7,678 7,679
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6900 -800 -45 17,146
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7000 -700 -40 17,946
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7200 -400 -23 18,646
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7400 -200 -11 19,046
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7500 -300 -17 19,246
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7500 -300 -17 19,246
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7601 -501 -28 19,546
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7100 -216 -12 20,047
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7200 -600 -34 20,263
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7300 -400 -23 20,863
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 57.7400 -466 -27 21,263
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7600 -2,096 -119 22,029
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7650 -1,700 -97 24,125
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.7900 -1,100 -62 25,825
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.8000 -200 -11 26,925
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.8201 -600 -34 27,125
2012-05-31 2012-05-29 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 31.6100 7,678 243 27,725
2012-05-31 2012-05-29 4 Chao James WLK Employee Option (right to buy) M - Exercise D 14.24 70,194 35,097
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9700 -2,178 -124 115,842
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9600 -3,540 -202 118,020
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9500 -498 -28 121,560
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9400 -100 -6 122,058
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9300 -1,120 -64 122,158
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9250 -100 -6 123,278
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9200 -2,646 -151 123,378
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9100 -20 -1 126,024
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9000 -204 -12 126,044
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8800 -399 -23 126,248
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8725 -600 -34 126,647
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8700 -2,079 -118 127,247
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8600 -366 -21 129,326
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8500 -300 -17 129,692
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8401 -200 -11 129,992
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8400 -462 -26 130,192
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8320 -100 -6 130,654
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8300 -903 -51 130,754
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8200 -1,000 -57 131,657
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8100 -3,139 -178 132,657
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.8000 -5,849 -332 135,796
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.7900 -8,300 -471 141,645
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.7800 -3,800 -216 149,945
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.7600 -1,000 -57 153,745
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.7500 -1,400 -79 154,745
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.7400 -4,957 -281 156,145
2012-05-31 2012-05-29 4 Chao James WLK Common Stock M - Exercise D 14.2350 70,194 999 161,102
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.2700 -500 -29 90,908
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.2300 -200 -11 91,408
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.2100 -200 -11 91,608
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1900 -100 -6 91,808
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1850 -100 -6 91,908
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1800 -200 -11 92,008
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1701 -200 -11 92,208
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1700 -1,500 -86 92,408
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1600 -500 -29 93,908
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1500 -1,271 -73 94,408
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1100 -800 -46 95,679
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.1000 -2,800 -160 96,479
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0801 -100 -6 99,279
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0800 -1,100 -63 99,379
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0700 -1,300 -74 100,479
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0500 -1,829 -104 101,779
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0400 -600 -34 103,608
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0301 -100 -6 104,208
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0300 -4,700 -268 104,308
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0200 -1,964 -112 109,008
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0100 -3,636 -207 110,972
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 57.0000 -500 -28 114,608
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9900 -300 -17 115,108
2012-05-31 2012-05-29 4 Chao James WLK Common Stock S - Sale D 56.9800 -434 -25 115,408
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 20.52 5,381 2,691
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 14.24 5,519 0
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Employee Option (right to buy) M - Exercise D 31.61 7,678 7,679
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3275 -100 -6 21,120
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3233 -200 -11 21,220
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3220 -100 -6 21,420
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3203 -100 -6 21,520
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3200 -200 -11 21,620
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.3000 -400 -23 21,820
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2800 -400 -23 22,220
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2700 -300 -17 22,620
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2600 -600 -34 22,920
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2500 -771 -44 23,520
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2400 -2,003 -115 24,291
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2318 -2,900 -166 26,294
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock S - Sale D 57.2300 -10,504 -601 29,194
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 31.6100 7,678 243 39,698
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 20.5250 5,381 110 32,020
2012-05-31 2012-05-29 4 Condon Donald Marion Jr WLK Common Stock M - Exercise D 14.2350 5,519 79 26,639
2012-05-29 2012-05-25 4 Chao James WLK Employee Option(right to buy) M - Exercise D 14.50 35,300 0
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2800 -900 -50 90,908
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2700 -700 -39 91,108
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2600 -308 -17 92,508
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2500 -2,248 -124 92,816
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2401 -100 -6 95,064
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2400 -3,107 -172 95,164
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2300 -816 -45 98,271
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2200 -338 -19 99,087
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2100 -297 -16 99,425
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.2000 -6,158 -340 99,722
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1900 -2,428 -134 105,880
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1800 -500 -28 108,308
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1700 -2,300 -127 108,808
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1600 -500 -28 111,108
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1500 -224 -12 111,608
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1300 -206 -11 111,832
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1200 -200 -11 112,038
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1150 -100 -6 112,238
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1100 -1,000 -55 112,338
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.1000 -3,370 -186 113,338
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.0900 -1,100 -61 116,708
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.0800 -1,000 -55 117,808
2012-05-29 2012-05-25 4 Chao James WLK Common Stock S - Sale D 55.0700 -7,400 -408 118,808
2012-05-29 2012-05-25 4 Chao James WLK Common Stock M - Exercise D 14.5000 35,300 512 126,208
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 24.51 887 1,775
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 20.82 957 957
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 27.12 480 0
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock S - Sale D 57.1000 -2,324 -133 10,029
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 27.1250 480 13 12,353
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 24.5100 887 22 11,873
2012-05-16 2012-05-14 4 BLAKELY ROBERT T WLK Common Stock M - Exercise D 20.8250 957 20 10,986
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Employee Option (right to buy) M - Exercise D 14.24 6,028 0
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6900 -100 -6 20,047
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6700 -303 -17 20,147
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6501 -800 -45 20,450
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6500 -22 -1 21,250
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6400 -5 -0 21,272
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6300 -500 -28 21,277
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6200 -400 -23 21,777
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6103 -200 -11 22,177
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6100 -200 -11 22,377
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.6000 -600 -34 22,577
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5922 -205 -12 23,177
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5900 -140 -8 23,382
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5860 -300 -17 23,522
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5800 -100 -6 23,822
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5798 -400 -23 23,922
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock S - Sale D 56.5418 -1,753 -99 24,322
2012-05-16 2012-05-14 4 Taylor Jeffrey L WLK Common Stock M - Exercise D 14.2350 6,028 86 26,075
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock M - Exercise D 24.51 887 1,775
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock M - Exercise D 27.12 480 0
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock S - Sale D 57.3500 -5,765 -331 6,588
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock M - Exercise D 24.5100 887 22 12,353
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock M - Exercise D 20.8250 957 20 11,466
2012-05-14 2012-05-10 4 LUKENS MAX L WLK Common Stock M - Exercise D 27.1250 480 13 10,509
2012-05-14 2008-08-15 4 LUKENS MAX L WLK Common Stock M - Exercise D 20.82 957 957
2012-04-11 2012-04-09 4 Buesinger Robert F. WLK Common Stock F - Taxes D 60.8200 -4 -0 4,345
2012-04-11 2012-04-09 4 Buesinger Robert F. WLK Common Stock F - Taxes D 60.8100 -166 -10 4,349
2012-02-28 2012-02-24 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 57.7800 -4 -0 20,047
2012-02-28 2012-02-24 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 57.5000 -1,049 -60 20,051
2012-02-28 2012-02-24 4 Mangieri George J WLK Common Stock F - Taxes D 57.7800 -11 -1 21,723
2012-02-28 2012-02-24 4 Mangieri George J WLK Common Stock F - Taxes D 57.5000 -2,889 -166 21,734
2012-02-28 2012-02-24 4 Wallace Stephen WLK Common Stock F - Taxes D 57.7800 -4 -0 26,112
2012-02-28 2012-02-24 4 Wallace Stephen WLK Commonn Stock F - Taxes D 57.5000 -1,049 -60 26,116
2012-02-28 2012-02-24 4 Hansen David R WLK Common Stock F - Taxes D 57.7800 -5 -0 25,846
2012-02-28 2012-02-24 4 Hansen David R WLK Common Stock F - Taxes D 57.5000 -1,573 -90 25,851
2012-02-28 2012-02-24 4 Bender Mark Steven WLK Common Stock F - Taxes D 57.7800 -11 -1 36,281
2012-02-28 2012-02-24 4 Bender Mark Steven WLK Common Stock F - Taxes D 57.5000 -2,889 -166 36,292
2012-02-28 2012-02-24 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 57.7800 -4 -0 21,120
2012-02-28 2012-02-24 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 57.5000 -1,049 -60 21,124
2012-02-23 2012-02-17 4/A Bender Mark Steven WLK Employee Option (right to buy) A - Award D 60.10 8,413 8,413
2012-02-23 2012-02-17 4/A Bender Mark Steven WLK Common Stock A - Award D 3,274 39,181
2012-02-22 2012-02-17 4 Mangieri George J WLK Employee Option (right to buy) A - Award D 60.10 2,959 2,959
2012-02-22 2012-02-17 4 Mangieri George J WLK Common Stock A - Award D 1,152 24,623
2012-02-22 2012-02-17 4 Taylor Jeffrey L WLK Employee Option (right to buy) A - Award D 60.10 4,666 4,666
2012-02-22 2012-02-17 4 Taylor Jeffrey L WLK Common Stock A - Award D 1,816 21,100
2012-02-22 2012-02-17 4 Hansen David R WLK Employee Option (right to buy) A - Award D 60.10 4,840 4,840
2012-02-22 2012-02-17 4 Hansen David R WLK Common Stock A - Award D 1,884 27,424
2012-02-22 2012-02-17 4 Wallace Stephen WLK Employee Option (right to buy) A - Award D 60.10 3,785 3,785
2012-02-22 2012-02-17 4 Wallace Stephen WLK Common Stock A - Award D 1,473 27,165
2012-02-22 2012-02-17 4 Chao Albert By Brother James Chao WLK Employee Option (right to buy) A - Award I 60.10 24,629 24,629
2012-02-22 2012-02-17 4 Chao Albert WLK Employee Option (right to buy) A - Award D 60.10 30,787 30,787
2012-02-22 2012-02-17 4 Chao Albert WLK Common Stock A - Award D 11,982 120,875
2012-02-22 2012-02-17 4 Chao James By Brother Albert Chao WLK Employee Option (right to buy) A - Award I 60.10 30,787 30,787
2012-02-22 2012-02-17 4 Chao James WLK Employee Option (right to buy) A - Award D 60.10 24,629 24,629
2012-02-22 2012-02-17 4 Chao James WLK Common Stock A - Award D 9,586 90,908
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 19.29 -7,767 0
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Employee Option (right to buy) M - Exercise D 14.24 -20,066 10,034
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3100 1,400 65 40,315
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3400 -500 -23 41,715
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3500 -883 -41 42,215
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3700 -100 -5 43,098
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3800 -200 -9 43,198
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.3900 -2,949 -137 43,398
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4000 -300 -14 46,347
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4100 -5,145 -239 46,647
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4300 -600 -28 51,792
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4400 -1,099 -51 52,392
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4500 -2,317 -108 53,491
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4600 -451 -21 55,808
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4700 -200 -9 56,259
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4800 -200 -9 56,459
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.4900 -1,100 -51 56,659
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.5000 -429 -20 57,759
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.5200 -3,000 -140 58,188
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.5300 -2,800 -130 61,188
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.5800 -160 -7 63,988
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.6700 -2,000 -93 64,148
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock S - Sale D 46.6800 -2,000 -93 66,148
2012-02-22 2011-02-25 4 Bender Mark Steven WLK Common Stock M - Exercise D 19.2900 7,767 150 68,148
2012-02-22 2012-02-17 4 Condon Donald Marion Jr WLK Employee Option (right to buy) A - Award D 60.10 4,869 4,869
2012-02-22 2012-02-17 4 Condon Donald Marion Jr WLK Common Stock A - Award D 1,895 22,173
2012-02-22 2012-02-17 4 Kenner Andrew WLK Employee Option (right to buy) A - Award D 60.10 4,569 4,569
2012-02-22 2012-02-17 4 Kenner Andrew WLK Common Stock A - Award D 1,778 12,145
2012-02-22 2012-02-17 4 Buesinger Robert F. WLK Employee Option (right to buy) A - Award D 60.10 4,318 4,318
2012-02-22 2012-02-17 4 Buesinger Robert F. WLK Common Stock A - Award D 1,681 4,515
2012-02-16 2012-02-14 4 Mangieri George J WLK Common Stock F - Taxes D 58.0300 -86 -5 23,471
2012-02-16 2012-02-14 4 Mangieri George J WLK Common Stock F - Taxes D 57.0800 -2,198 -125 23,557
2012-02-16 2012-02-14 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 58.0300 -73 -4 19,284
2012-02-16 2012-02-14 4 Taylor Jeffrey L WLK Common Stock F - Taxes D 57.0800 -1,880 -107 19,357
2012-02-16 2012-02-14 4 Hansen David R WLK Common Stock F - Taxes D 58.0100 -80 -5 25,540
2012-02-16 2012-02-14 4 Hansen David R WLK Common Stock F - Taxes D 57.0800 -2,059 -118 25,620
2012-02-16 2012-02-14 4 Wallace Stephen WLK Common Stock F - Taxes D 58.0400 -80 -5 25,692
2012-02-16 2012-02-14 4 Wallace Stephen WLK Common Stock F - Taxes D 57.0800 -2,059 -118 25,772
2012-02-16 2012-02-14 4 Chao Albert WLK Common Stock F - Taxes D 58.0100 -768 -45 108,893
2012-02-16 2012-02-14 4 Chao Albert WLK Common Stock F - Taxes D 57.0800 -19,610 -1,119 109,661
2012-02-16 2012-02-14 4 Chao James WLK Common Stock F - Taxes D 58.1540 -377 -22 81,322
2012-02-16 2012-02-14 4 Chao James WLK Common Stock F - Taxes D 58.0950 -200 -12 81,699
2012-02-16 2012-02-14 4 Chao James WLK Common Stock F - Taxes D 57.0800 -14,708 -840 81,899
2012-02-16 2012-02-14 4 Bender Mark Steven WLK Common Stock F - Taxes D 58.0410 -146 -8 35,907
2012-02-16 2012-02-14 4 Bender Mark Steven WLK Common Stock F - Taxes D 58.0400 -20 -1 36,053
2012-02-16 2012-02-14 4 Bender Mark Steven WLK Common Stock F - Taxes D 57.0800 -4,242 -242 36,073
2012-02-16 2012-02-14 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 57.0800 -1,725 -98 20,278
2012-02-16 2012-02-14 4 Condon Donald Marion Jr WLK Common Stock F - Taxes D 58.0500 -67 -4 22,003
2012-02-16 2012-02-14 4 Kenner Andrew WLK Common Stock F - Taxes D 58.0900 -78 -5 10,367
2012-02-16 2012-02-14 4 Kenner Andrew WLK Common Stock F - Taxes D 57.0800 -2,002 -114 10,445
2012-02-03 2011-04-07 4/A Buesinger Robert F. WLK Common Stock F - Taxes D 57.4400 -162 -9 2,834
2004-08-18 2004-08-16 4 BLAKELY ROBERT T WLK Incentive Stock Options A - Award D 14.50 2,759 2,759
2004-08-09 3 TTWF LP WLK Common Stock D 51,505,277
2004-08-09 3 TTWFGP LLC See footnote 1 WLK common stock I 51,505,277
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)
Other Listings
DE:UEO € 76.00
GB:0LVK US$ 90.51
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