Mesa Laboratories, Inc.
US ˙ NasdaqGS ˙ US59064R1095

SecurityMLAB / Mesa Laboratories, Inc.
InsiderJohn Sakys
This page shows the track record and history of Sakys John insider trades in Mesa Laboratories, 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 John Sakys in MLAB / Mesa Laboratories, 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.

MLAB / Mesa Laboratories, 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 John Sakys in MLAB / Mesa Laboratories, 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 (%)
2025-06-16 642 97.1180 642 97.1180 62,350 50 57.4400 -25,473 -40.85
2022-06-21 722 188.2240 722 188.2240 135,898
2021-11-11 1,000 317.1200 1,000 317.1200 317,120
2021-07-01 1,000 267.0400 1,000 267.0400 267,040
2021-06-16 2,119 255.6700 2,119 255.6700 541,765
2021-03-12 2,500 263.8400 2,500 263.8400 659,600
2020-08-14 1,000 244.0000 1,000 244.0000 244,000
2018-08-15 1,000 203.5000 1,000 203.5000 203,500
2016-11-17 221 131.1600 221 131.1600 28,986
2016-11-15 779 126.0000 779 126.0000 98,154

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

MLAB / Mesa Laboratories, 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
2025-06-25 2025-06-21 4 Sakys John MLAB Common Stock F - Taxes D 95.8200 -454 -44 15,044
2025-06-25 2025-06-21 4 Sakys John MLAB Common Stock M - Exercise D 95.8200 1,036 99 15,498
2025-06-20 2025-06-18 4 Sakys John MLAB Common Stock F - Taxes D 92.9900 -1,243 -116 14,462
2025-06-20 2025-06-18 4 Sakys John MLAB Common Stock M - Exercise D 92.9900 2,840 264 15,705
2025-06-18 2025-06-16 4 Sakys John MLAB Common Stock S - Sale D 97.1180 -642 -62 12,865
2025-06-18 2025-06-15 4 Sakys John MLAB Common Stock M - Exercise D 793 12,839
2025-06-18 2015-06-15 4 Sakys John MLAB Common Stock A - Award D 668 13,507
2024-09-06 2024-09-01 4 Sakys John MLAB Common Stock F - Taxes D 133.6900 -454 -61 12,046
2024-09-06 2024-09-01 4 Sakys John MLAB Common Stock M - Exercise D 1,037 12,500
2024-06-17 2024-06-14 4 Sakys John MLAB Common Stock F - Taxes D 91.6000 -572 -52 11,463
2024-06-17 2024-06-14 4 Sakys John MLAB Common Stock M - Exercise D 1,304 12,035
2023-06-21 2023-06-16 4 Sakys John MLAB Common Stock M - Exercise D 848 11,019
2023-06-21 2023-06-15 4 Sakys John MLAB Common Stock F - Taxes D 135.5500 -288 -39 10,731
2023-06-16 2023-06-15 4 Sakys John MLAB Common Stock F - Taxes D 134.4500 -373 -50 10,171
2023-06-16 2023-06-15 4 Sakys John MLAB Common Stock M - Exercise D 848 10,544
2023-03-27 2023-03-24 4 Sakys John MLAB Common Stock S - Sale D 167.0100 -1,128 -188 9,696
2023-03-27 2023-03-24 4 Sakys John MLAB Common Stock M - Exercise D 51.8500 1,128 58 10,824
2023-03-27 2023-03-24 4 Sakys John MLAB Common Stock S - Sale D 167.0100 -1,000 -167 9,696
2023-03-27 2023-03-24 4 Sakys John MLAB Common Stock M - Exercise D 122.6600 1,000 123 10,696
2023-03-27 2023-03-22 4 Sakys John MLAB Common Stock S - Sale D 171.6200 -2,500 -429 9,696
2023-03-27 2023-03-22 4 Sakys John MLAB Common Stock M - Exercise D 122.6600 2,500 307 12,196
2023-03-16 2023-03-15 4 Sakys John MLAB Common Stock S - Sale D 165.7100 -1,000 -166 9,696
2023-03-16 2023-03-15 4 Sakys John MLAB Common Stock M - Exercise D 70.5600 1,000 71 10,696
2023-03-09 2023-03-09 4 Sakys John MLAB Common Stock S - Sale D 169.9700 -400 -68 9,696
2023-03-09 2023-03-09 4 Sakys John MLAB Common Stock M - Exercise D 70.5600 400 28 10,096
2023-02-09 2023-02-09 4 Sakys John MLAB Common Stock S - Sale D 184.2700 -1,000 -184 9,696
2023-02-09 2023-02-09 4 Sakys John MLAB Common Stock M - Exercise D 51.8500 1,000 52 10,696
2023-01-25 2023-01-23 4 Sakys John MLAB Common Stock S - Sale D 210.1900 -2,100 -441 9,696
2023-01-25 2023-01-23 4 Sakys John MLAB Common Stock M - Exercise D 70.5600 2,100 148 11,796
2022-09-02 2022-09-01 4 Sakys John MLAB Common Stock F - Taxes D 178.4200 -799 -143 9,696
2022-09-02 2022-09-01 4 Sakys John MLAB Common Stock M - Exercise D 514 10,495
2022-09-02 2022-09-01 4 Sakys John MLAB Common Stock M - Exercise D 1,303 9,981
2022-08-17 2022-08-16 4 Sakys John MLAB Common Stock S - Sale D 200.5800 -1,372 -275 8,678
2022-08-17 2022-08-16 4 Sakys John MLAB Common Stock M - Exercise D 70.5600 1,372 97 10,678
2022-08-17 2022-08-15 4 Sakys John MLAB Common Stock S - Sale D 200.5400 -628 -126 10,050
2022-08-17 2022-08-15 4 Sakys John MLAB Common Stock M - Exercise D 70.5600 628 44 9,306
2022-08-17 2022-08-16 4/A Sakys John MLAB Common Stock S - Sale D 200.5800 -1,372 -275 8,678
2022-08-17 2022-08-16 4/A Sakys John MLAB Common Stock M - Exercise D 70.5600 1,372 97 10,678
2022-08-17 2022-08-15 4/A Sakys John MLAB Common Stock S - Sale D 200.5400 628 126 10,050
2022-08-17 2022-08-15 4/A Sakys John MLAB Common Stock M - Exercise D 70.5600 628 44 9,306
2022-06-22 2022-06-21 4 Sakys John MLAB Common Stock S - Sale D 188.2240 -722 -136 8,678
2022-06-22 2022-06-21 4 Sakys John MLAB Common Stock A - Award D 1,667 9,400
2022-06-22 2022-06-17 4 Sakys John MLAB Common Stock F - Taxes D 185.5700 -173 -32 7,733
2022-06-22 2022-06-17 4 Sakys John MLAB Common Stock M - Exercise D 392 7,906
2022-04-22 2022-04-20 4 Sakys John MLAB Non Qualified Stock Option X - Other D 51.85 -72 26,559
2022-04-22 2022-04-20 4 Sakys John MLAB Common Stock S - Sale D 250.4400 -72 -18 7,514
2022-04-22 2022-04-20 4 Sakys John MLAB Common Stock M - Exercise D 51.8500 72 4 7,586
2022-03-25 2022-03-24 4 Sakys John MLAB Common Stock S - Sale D 251.1500 -670 -168 7,514
2022-03-25 2022-03-23 4 Sakys John MLAB Non Qualified Stock Option X - Other D 51.85 -1,600 26,671
2022-03-25 2022-03-23 4 Sakys John MLAB Common Stock S - Sale D 251.2900 -930 -234 8,184
2022-03-25 2022-03-23 4 Sakys John MLAB Common Stock M - Exercise D 51.8500 1,600 83 9,114
2021-12-10 2021-12-10 4 Sakys John MLAB Non Qualified Stock Option X - Other D 97.78 -1,600 28,271
2021-12-10 2021-12-10 4 Sakys John MLAB Incentive Stock Option X - Other D 89.70 -158 29,871
2021-12-10 2021-12-10 4 Sakys John MLAB Common Stock S - Sale D 324.7400 -1,758 -571 7,514
2021-12-10 2021-12-10 4 Sakys John MLAB Common Stock M - Exercise D 97.7800 1,600 156 9,272
2021-12-10 2021-12-10 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 158 14 7,672
2021-11-12 2021-11-11 4 Sakys John MLAB Non Qualified Stock Option X - Other D 97.78 -1,000 30,029
2021-11-12 2021-11-11 4 Sakys John MLAB Common Stock S - Sale D 317.1200 -1,000 -317 7,514
2021-11-12 2021-11-11 4 Sakys John MLAB Common Stock M - Exercise D 97.7800 1,000 98 8,514
2021-10-25 2021-10-20 4 Sakys John mlab Non Qualified Stock Option X - Other D 97.78 -2,000 31,029
2021-10-25 2021-10-20 4 Sakys John mlab Common Stock S - Sale D 309.8600 -2,000 -620 7,514
2021-10-25 2021-10-20 4 Sakys John mlab Common Stock M - Exercise D 97.7800 2,000 196 9,514
2021-09-10 2021-09-10 4 Sakys John MLAB Non Qualified Stock Option X - Other D 89.70 -1,400 33,029
2021-09-10 2021-09-10 4 Sakys John MLAB Common Stock S - Sale D 270.2100 -1,400 -378 7,514
2021-09-10 2021-09-10 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 1,400 126 8,914
2021-09-01 2021-09-01 4 Sakys John MLAB Non Qualified Stock Options A - Award D 268.85 4,933 34,429
2021-09-01 2021-09-01 4 Sakys John MLAB Restricted Stock Units - 4 A - Award D 1,303 1,303
2021-09-01 2021-09-01 4 Sakys John MLAB Restricted Stock Units - 3 A - Award D 1,537 1,537
2021-08-13 2021-08-12 4 Sakys John MLAB Non Qualified Stock Option X - Other D 89.70 -1,000 29,296
2021-08-13 2021-08-12 4 Sakys John MLAB Common Stock S - Sale D 275.1600 -1,000 -275 7,514
2021-08-13 2021-08-12 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 1,000 90 8,514
2021-07-13 2021-07-12 4 Sakys John MLAB Non Qualified Stock Option X - Other D 89.70 -1,000 30,496
2021-07-13 2021-07-12 4 Sakys John MLAB Common Stock S - Sale D 278.7700 -1,000 -279 7,514
2021-07-13 2021-07-12 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 1,000 90 8,514
2021-07-06 2021-07-01 4 Sakys John mlab Non Qualified Stock Option X - Other D 89.70 -1,000 31,496
2021-07-06 2021-07-01 4 Sakys John mlab Common Stock S - Sale D 267.0400 -1,000 -267 7,514
2021-07-06 2021-07-01 4 Sakys John mlab Common Stock M - Exercise D 89.7000 1,000 90 8,514
2021-06-17 2021-06-16 4 Sakys John MLAB Common Stock S - Sale D 255.6700 -2,119 -542 7,514
2021-06-17 2021-06-15 4 Sakys John MLAB Common Stock A - Award D 4,676 9,633
2021-06-16 2021-06-15 4 Sakys John MLAB Restricted Stock Units - 2 M - Exercise D -681 0
2021-06-16 2021-06-15 4 Sakys John MLAB Restricted Stock Units - 1 M - Exercise D -405 784
2021-06-16 2021-06-15 4 Sakys John MLAB Common Stock F - Taxes D 263.3000 -479 -126 4,957
2021-06-16 2021-06-15 4 Sakys John MLAB Common Stock M - Exercise D 681 5,436
2021-06-16 2021-06-15 4 Sakys John MLAB Common Stock M - Exercise D 405 4,755
2021-03-15 2021-03-12 4 Sakys John mlab Non Qualified Stock Option X - Other D 70.56 -2,000 32,496
2021-03-15 2021-03-12 4 Sakys John mlab Non Qualified Stock Option X - Other D 48.72 -500 34,496
2021-03-15 2021-03-12 4 Sakys John mlab Common Stock S - Sale D 263.8400 -2,500 -660 4,350
2021-03-15 2021-03-12 4 Sakys John mlab Common Stock M - Exercise D 70.5600 2,000 141 6,850
2021-03-15 2021-03-12 4 Sakys John mlab Common Stock M - Exercise D 48.7200 500 24 4,850
2021-01-11 2021-01-08 4 Sakys John MLAB Non-Qualified Stock Options X - Other D 89.70 -1,000 34,996
2021-01-11 2021-01-08 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 1,000 90 4,350
2021-01-07 2021-01-06 4 Sakys John MLAB Non-Qualified Stock Option X - Other D 89.70 -16 35,996
2021-01-07 2021-01-06 4 Sakys John MLAB Common Stock S - Sale D 290.0000 -16 -5 3,350
2021-01-07 2021-01-06 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 16 1 3,366
2020-11-18 2020-11-17 4 Sakys John MLAB Non Qualified Stock Option X - Other D 89.70 -984 36,012
2020-11-18 2020-11-17 4 Sakys John MLAB Common Stock S - Sale D 290.0000 -984 -285 3,350
2020-11-18 2020-11-17 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 984 88 4,334
2020-10-09 2020-10-08 4 Sakys John MLAB Incentive Stock Option X - Other D 89.70 -942 36,996
2020-10-09 2020-10-08 4 Sakys John MLAB Common Stock S - Sale D 276.9000 -942 -261 3,350
2020-10-09 2020-10-08 4 Sakys John MLAB Common Stock M - Exercise D 89.7000 942 84 4,292
2020-09-04 2020-09-02 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -702 37,938
2020-09-04 2020-09-02 4 Sakys John MLAB Common Stock G - Gift D -50 3,350
2020-09-04 2020-09-02 4 Sakys John MLAB Common Stock S - Sale D 251.4200 -702 -176 3,400
2020-09-04 2020-09-02 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 702 34 4,102
2020-09-04 2020-09-01 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -298 38,640
2020-09-04 2020-09-01 4 Sakys John MLAB Common Stock S - Sale D 250.0000 -298 -74 3,400
2020-09-04 2020-09-01 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 298 15 3,698
2020-08-17 2020-08-17 4 Sakys John MLAB Common Stock G - Gift D -100 3,400
2020-08-17 2020-08-14 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 1,000 38,938
2020-08-17 2020-08-14 4 Sakys John MLAB Common Stock S - Sale D 244.0000 -1,000 -244 3,500
2020-08-17 2020-08-14 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 4,500
2020-06-17 2020-06-15 4 Sakys John MLAB Restricted Stock Units - 2 A - Award D 681 681
2020-06-17 2020-06-15 4 Sakys John MLAB Non Qualified Stock Option A - Award D 226.72 3,951 39,938
2020-06-17 2020-06-15 4 Sakys John MLAB Restricted Stock Units - 1 A - Award D 1,189 1,189
2019-09-03 2019-09-03 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -1,000 35,987
2019-09-03 2019-09-03 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 3,500
2019-06-13 2019-06-10 4 Sakys John MLAB Non Qualified Stock Option A - Award D 203.54 4,087 36,987
2018-08-15 2018-08-15 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -1,000 32,900
2018-08-15 2018-08-15 4 Sakys John MLAB Common Stock S - Sale D 203.5000 -1,000 -204 2,500
2018-08-15 2018-08-15 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 3,500
2018-08-01 2018-07-31 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -500 33,900
2018-08-01 2018-07-31 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 500 24 2,500
2018-04-04 2018-04-02 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 142.40 2,500 34,400
2018-03-26 2018-03-26 4 Sakys John mlab Non-qualified stock option E - Other D 70.56 -3,300 31,900
2017-06-20 2017-06-20 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -1,000 35,200
2017-06-20 2017-06-20 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 2,000
2017-04-04 2017-04-03 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 122.66 3,500 36,200
2016-11-17 2016-11-17 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -1,000 32,700
2016-11-17 2016-11-17 4 Sakys John MLAB Common Stock S - Sale D 131.1600 -221 -29 1,000
2016-11-17 2016-11-15 4 Sakys John MLAB Common Stock S - Sale D 126.0000 -779 -98 1,221
2016-11-17 2016-11-15 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 2,000
2016-05-04 2016-04-01 4 Sakys John MLAB Non Qualified Stock Option A - Award D 97.78 4,600 33,700
2015-12-08 2015-12-04 4 Sakys John MLAB Non Qualified Stock Option X - Other D 48.72 -1,000 29,100
2015-12-08 2015-12-04 4 Sakys John MLAB Common Stock M - Exercise D 48.7200 1,000 49 1,000
2015-04-03 2015-04-01 4 Sakys John MLAB Incentive Stock Options A - Award D 70.56 1,400 29,000
2015-04-03 2015-04-01 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 70.56 3,300 27,600
2015-04-03 2015-04-01 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 70.56 6,100 24,300
2014-04-08 2014-04-01 4 Sakys John MLAB Incentive Stock Option A - Award D 89.70 1,100 19,300
2014-04-08 2014-04-01 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 89.70 6,400 18,200
2013-04-02 2013-04-01 4 Sakys John MLAB Non-Qualified Stock Option A - Award D 51.85 3,800 11,800
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)