Cogent Communications Holdings, Inc.
US ˙ NasdaqGS ˙ US19239V3024

SecurityCCOI / Cogent Communications Holdings, Inc.
InsiderHenry W Kilmer
This page shows the track record and history of KILMER HENRY W insider trades in Cogent Communications Holdings, Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Henry W Kilmer in CCOI / Cogent Communications Holdings, Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Max
Price at
Max
Max
Profit ($)
Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CCOI / Cogent Communications Holdings, Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Henry W Kilmer in CCOI / Cogent Communications Holdings, Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares
Reported
Price
Adjusted
Shares
Adjusted
Price
Cost Basis Days to
Min
Price at
Min
Max Loss
Avoided ($)
Max Loss
Avoided (%)
2025-09-05 2,400 36.9900 2,400 36.9900 88,776 0 36.8800 -264 -0.30
2025-06-06 2,400 47.9500 2,400 47.9500 115,080
2025-03-07 2,400 72.5700 2,400 72.5700 174,168
2024-12-12 4,800 75.6130 4,800 75.6130 362,942
2024-12-01 2,400 0.0000 2,400 0.0000 0
2024-09-04 2,400 69.5100 2,400 69.5100 166,824
2024-06-06 2,400 56.0000 2,400 56.0000 134,400
2024-03-05 2,400 73.4746 2,400 73.4746 176,339
2023-12-07 4,800 67.9441 4,800 67.9441 326,132
2023-09-07 2,400 69.1600 2,400 69.1600 165,984
2023-06-06 2,400 62.2298 2,400 62.2298 149,352
2022-03-08 2,400 62.7224 2,400 62.7224 150,534
2021-12-13 2,400 77.2634 2,400 77.2634 185,432
2020-12-03 2,400 58.0100 2,400 58.0100 139,224
2020-09-08 2,400 65.5392 2,400 65.5392 157,294
2020-06-05 2,400 76.6470 2,400 76.6470 183,953
2020-03-06 2,400 84.7158 2,400 84.7158 203,318

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

CCOI / Cogent Communications Holdings, Inc. Insider Trades
Insider Transaction History
File
Date
Trade
Date
Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price
Unit
Price
Units
Changed
Value
Changed (1K)
Remaining
Options
Remaining
Shares
2025-09-05 2025-09-05 4 KILMER HENRY W CCOI common stock S - Sale D 36.9900 -2,400 -89 36,200
2025-06-09 2024-12-01 4/A KILMER HENRY W CCOI common stock A - Award D 2,400 38,600
2025-06-09 2025-06-06 4 KILMER HENRY W CCOI common stock S - Sale D 47.9500 -2,400 -115 38,600
2025-03-10 2025-03-07 4 KILMER HENRY W CCOI common stock S - Sale D 72.5700 -2,400 -174 41,000
2025-01-13 2025-01-09 4 KILMER HENRY W CCOI common stock A - Award D 9,600 43,400
2024-12-13 2024-12-12 4 KILMER HENRY W CCOI common stock S - Sale D 75.6130 -4,800 -363 33,800
2024-12-04 2024-12-01 4 KILMER HENRY W CCOI common stock S - Sale D 2,400 38,600
2024-09-05 2024-09-04 4 KILMER HENRY W CCOI common stock S - Sale D 69.5100 -2,400 -167 36,200
2024-06-07 2024-06-06 4 KILMER HENRY W CCOI common stock S - Sale D 56.0000 -2,400 -134 38,600
2024-03-06 2024-03-05 4 KILMER HENRY W CCOI common stock S - Sale D 73.4746 -2,400 -176 41,000
2024-01-05 2024-01-03 4 KILMER HENRY W CCOI common stock A - Award D 5,000 43,400
2024-01-05 2024-01-03 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2023-12-08 2023-12-07 4 KILMER HENRY W CCOI common stock S - Sale D 67.9441 -4,800 -326 28,800
2023-12-01 2023-12-01 4 KILMER HENRY W CCOI common stock A - Award D 2,400 33,600
2023-09-08 2023-09-07 4 KILMER HENRY W CCOI common stock S - Sale D 69.1600 -2,400 -166 31,200
2023-06-07 2023-06-06 4 KILMER HENRY W CCOI common stock S - Sale D 62.2298 -2,400 -149 33,600
2023-03-08 2023-03-07 4 KILMER HENRY W CCOI common stock S - Sale D 63.5148 -2,400 -152 36,000
2023-01-05 2023-01-03 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2022-12-08 2022-12-06 4 KILMER HENRY W CCOI common stock S - Sale D 57.3611 -4,800 -275 28,800
2022-12-01 2022-12-01 4 KILMER HENRY W CCOI common stock A - Award D 2,400 33,600
2022-09-08 2022-09-07 4 KILMER HENRY W CCOI common stock S - Sale D 53.8532 -2,400 -129 31,200
2022-06-07 2022-06-07 4 KILMER HENRY W CCOI common stock S - Sale D 59.2012 -2,400 -142 33,600
2022-03-09 2022-03-08 4 KILMER HENRY W CCOI common stock S - Sale D 62.7224 -2,400 -151 36,000
2022-01-05 2022-01-03 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2021-12-13 2021-12-13 4 KILMER HENRY W CCOI common stock S - Sale D 77.2634 -2,400 -185 28,800
2021-12-07 2021-12-07 4 KILMER HENRY W CCOI common stock S - Sale D 77.8977 -2,400 -187 31,200
2021-12-01 2021-12-01 4 KILMER HENRY W CCOI common stock A - Award D 2,400 33,600
2021-09-07 2021-09-07 4 KILMER HENRY W CCOI common stock S - Sale D 74.1292 -2,400 -178 31,200
2021-06-07 2021-06-07 4 KILMER HENRY W CCOI common stock S - Sale D 76.0851 -2,400 -183 33,600
2021-03-05 2021-03-05 4 KILMER HENRY W CCOI common stock S - Sale D 57.6418 -2,400 -138 36,000
2021-02-25 2021-02-24 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2020-12-08 2020-12-07 4 KILMER HENRY W CCOI common stock S - Sale D 57.9300 -2,400 -139 28,800
2020-12-04 2020-12-03 4 KILMER HENRY W CCOI common stock S - Sale D 58.0100 -2,400 -139 31,200
2020-12-02 2020-12-01 4 KILMER HENRY W CCOI common stock A - Award D 2,400 33,600
2020-09-08 2020-09-08 4 KILMER HENRY W CCOI common stock S - Sale D 65.5392 -2,400 -157 31,200
2020-06-08 2020-06-05 4 KILMER HENRY W CCOI common stock S - Sale D 76.6470 -2,400 -184 33,600
2020-03-06 2020-03-06 4 KILMER HENRY W CCOI common stock S - Sale D 84.7158 -2,400 -203 36,000
2020-02-18 2020-02-14 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2020-01-09 2020-01-08 4 KILMER HENRY W CCOI common stock S - Sale D 68.6078 -2,400 -165 28,800
2019-12-06 2019-12-06 4 KILMER HENRY W CCOI common stock S - Sale D 62.4387 -2,400 -150 31,200
2019-09-05 2019-09-05 4 KILMER HENRY W CCOI common stock S - Sale D 59.9003 -2,400 -144 33,600
2019-06-06 2019-06-06 4 KILMER HENRY W CCOI common stock S - Sale D 58.6366 -2,400 -141 36,000
2019-05-01 2019-05-01 4 KILMER HENRY W CCOI common stock A - Award D 9,600 38,400
2019-03-06 2019-03-06 4 KILMER HENRY W CCOI common stock S - Sale D 48.9242 -2,400 -117 28,800
2018-12-07 2018-12-06 4 KILMER HENRY W CCOI common stock S - Sale D 46.6810 -3,000 -140 31,200
2018-09-06 2018-09-06 4 KILMER HENRY W CCOI common stock S - Sale D 54.9760 -3,000 -165 34,200
2018-06-06 2018-06-06 4 KILMER HENRY W CCOI common stock S - Sale D 52.6320 -3,000 -158 37,200
2018-03-06 2018-03-06 4 KILMER HENRY W CCOI common stock S - Sale D 43.3602 -3,000 -130 40,200
2018-02-22 2018-02-21 4 KILMER HENRY W CCOI common stock A - Award D 9,600 43,200
2017-12-06 2017-12-06 4 KILMER HENRY W CCOI common stock S - Sale D 44.5441 -3,000 -134 33,600
2017-09-05 2017-09-05 4 KILMER HENRY W CCOI common stock S - Sale D 46.4500 -3,000 -139 36,600
2017-06-05 2017-06-05 4 KILMER HENRY W CCOI common stock S - Sale D 40.8000 -3,000 -122 39,600
2017-05-03 2017-05-03 4 KILMER HENRY W CCOI common stock A - Award D 9,600 42,600
2017-03-06 2017-03-03 4 KILMER HENRY W CCOI common stock S - Sale D 40.9500 -3,000 -123 33,000
2016-12-05 2016-12-05 4 KILMER HENRY W CCOI common stock S - Sale D 36.1500 -1,000 -36 36,000
2016-11-03 2016-11-03 4 KILMER HENRY W CCOI common stock S - Sale D 35.0000 -1,000 -35 37,000
2016-10-05 2016-10-05 4 KILMER HENRY W CCOI common stock S - Sale D 35.1700 -1,000 -35 38,000
2016-09-06 2016-09-06 4 KILMER HENRY W CCOI common stock S - Sale D 36.1700 -1,000 -36 39,000
2016-08-03 2016-08-03 4 KILMER HENRY W CCOI common stock S - Sale D 42.1500 -1,000 -42 40,000
2016-07-05 2016-07-05 4 KILMER HENRY W CCOI common stock S - Sale D 40.3000 -1,000 -40 41,000
2016-06-03 2016-06-03 4 KILMER HENRY W CCOI common stock S - Sale D 39.9000 -1,000 -40 42,000
2016-05-05 2016-05-04 4 KILMER HENRY W CCOI common stock S - Sale D 38.5700 1,000 39 43,000
2016-05-05 2016-05-04 4 KILMER HENRY W CCOI common stock A - Award D 12,000 44,000
2016-04-05 2016-04-05 4 KILMER HENRY W CCOI common stock S - Sale D 39.2000 -1,000 -39 32,000
2016-03-03 2016-03-03 4 KILMER HENRY W CCOI common stock S - Sale D 36.9300 -1,000 -37 33,000
2016-02-03 2016-02-03 4 KILMER HENRY W CCOI common stock S - Sale D 33.7000 -1,000 -34 34,000
2016-01-08 2016-01-08 4 KILMER HENRY W CCOI common stock S - Sale D 33.6300 -1,000 -34 35,000
2015-12-03 2015-12-03 4 KILMER HENRY W CCOI common stock S - Sale D 33.7700 -1,000 -34 36,000
2015-11-05 2015-11-05 4 KILMER HENRY W CCOI common stock S - Sale D 36.7500 -1,000 -37 37,000
2015-10-05 2015-10-05 4 KILMER HENRY W CCOI common stock S - Sale D 27.5200 -1,000 -28 38,000
2015-09-03 2015-09-03 4 KILMER HENRY W CCOI common stock S - Sale D 27.2800 -1,000 -27 39,000
2015-08-05 2015-08-05 4 KILMER HENRY W CCOI common stock S - Sale D 31.5600 -1,000 -32 40,000
2015-07-06 2015-07-06 4 KILMER HENRY W CCOI common stock S - Sale D 32.7000 -1,000 -33 41,000
2015-06-03 2015-06-03 4 KILMER HENRY W CCOI common stock S - Sale D 31.1100 -1,000 -31 42,000
2015-05-05 2015-05-05 4 KILMER HENRY W CCOI common stock S - Sale D 35.1000 -1,000 -35 43,000
2015-04-07 2015-04-06 4 KILMER HENRY W CCOI common stock S - Sale D 35.3500 -1,000 -35 44,000
2015-03-04 2015-03-04 4 KILMER HENRY W CCOI common stock S - Sale D 35.9200 -1,000 -36 45,000
2015-02-04 2015-02-04 4 KILMER HENRY W CCOI common stock S - Sale D 37.5000 -1,000 -38 46,000
2015-01-09 2015-01-09 4 KILMER HENRY W CCOI common stock S - Sale D 33.9000 -1,000 -34 47,000
2014-12-04 2014-12-03 4 KILMER HENRY W CCOI common stock S - Sale D 34.0400 -1,000 -34 48,000
2014-11-18 2014-11-18 4 KILMER HENRY W CCOI common stock S - Sale D 35.7800 -1,250 -45 49,000
2014-11-06 2014-11-05 4 KILMER HENRY W CCOI common stock S - Sale D 33.1300 -1,000 -33 50,250
2014-11-04 2014-11-03 4 KILMER HENRY W CCOI common stock A - Award D 24,000 51,250
2014-10-03 2014-10-03 4 KILMER HENRY W CCOI common stock S - Sale D 32.6600 -1,000 -33 27,250
2014-09-04 2014-09-03 4 KILMER HENRY W CCOI common stock S - Sale D 34.8900 -1,000 -35 28,250
2014-08-19 2014-08-18 4 KILMER HENRY W CCOI common stock S - Sale D 32.8800 -1,250 -41 29,250
2014-08-04 2014-08-04 4 KILMER HENRY W CCOI common stock S - Sale D 34.5400 -1,000 -35 30,500
2014-07-03 2014-07-03 4 KILMER HENRY W CCOI common stock S - Sale D 35.0200 -1,000 -35 31,500
2014-06-03 2014-06-03 4 KILMER HENRY W CCOI common stock S - Sale D 35.9000 -1,000 -36 32,500
2014-05-20 2014-05-19 4 KILMER HENRY W CCOI common stock S - Sale D 36.5700 -1,250 -46 33,500
2014-05-06 2014-05-05 4 KILMER HENRY W CCOI common stock S - Sale D 34.4300 -1,000 -34 34,750
2014-04-03 2014-04-03 4 KILMER HENRY W CCOI common stock S - Sale D 36.2900 -1,000 -36 35,750
2014-03-10 2014-03-07 4 KILMER HENRY W CCOI common stock S - Sale D 37.4000 -1,000 -37 36,750
2014-02-19 3 KILMER HENRY W CCOI common stock D 75,500
2014-02-19 3 KILMER HENRY W CCOI common stock D 75,500
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)