Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-06-22 Sale | 2026-06-23 12:23 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,827 | $89.5 | $253,022 | 22,590 (Indirect Direct) | View |
| 2026-06-16 Sale | 2026-06-17 12:09 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,223 | $101.27 | $123,850 | 16,588 (Indirect Direct) | View |
| 2025-06-16 Sale | 2025-06-18 10:59 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 642 | $97.12 | $62,350 | 12,865 (Direct) | View |
| 2023-03-22 Sale | 2023-03-27 09:40 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 4,628 | $169.5 | $784,447 | 78,074 (Indirect Direct) | View |
| 2023-03-15 Sale | 2023-03-16 2:42 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $165.71 | $165,710 | 35,098 (Indirect Direct) | View |
| 2023-03-09 Sale | 2023-03-09 6:13 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 400 | $169.97 | $67,988 | 36,098 (Indirect Direct) | View |
| 2023-02-09 Sale | 2023-02-09 8:04 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $184.27 | $184,270 | 36,498 (Indirect Direct) | View |
| 2023-01-23 Sale | 2023-01-25 12:23 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,100 | $210.19 | $441,399 | 37,498 (Indirect Direct) | View |
| 2022-08-15 Sale(A) | 2022-08-17 12:26 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $200.57 | $401,135 | 69,754 (Indirect Direct) | View |
| 2022-08-15 Sale | 2022-08-17 11:49 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $200.57 | $401,135 | 69,754 (Indirect Direct) | View |
| 2022-06-21 Sale | 2022-06-22 1:38 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 722 | $188.22 | $135,898 | 9,170 (Indirect Direct) | View |
| 2022-04-20 Sale | 2022-04-22 1:17 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 72 | $250.44 | $18,032 | 34,173 (Indirect Direct) | View |
| 2022-03-23 Sale | 2022-03-25 1:57 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,600 | $251.23 | $401,970 | 34,185 (Direct) | View |
| 2021-12-10 Sale | 2021-12-10 7:14 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,758 | $324.74 | $570,893 | 65,656 (Direct) | View |
| 2021-11-11 Sale | 2021-11-12 11:20 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $317.12 | $317,120 | 37,543 (Direct) | View |
| 2021-10-20 Sale | 2021-10-25 09:54 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $309.86 | $619,720 | 38,543 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-06-18 Option Award | 2026-06-23 12:23 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,282 | $95.1 | 22,590 (Direct) | View |
| 2026-06-18 Exercise | 2026-06-23 12:23 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 3,792 | $95.1 | 22,590 (Direct) | View |
| 2026-06-18 Exercise | 2026-06-23 12:23 pm | 2024-06-21 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 3,792 | $0 | 22,590 (Direct) | View |
| 2026-06-15 Expired | 2026-06-16 2:15 pm | 2021-06-15 2026-06-15 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 3,951 | $0 | 47,398 (Direct) | View |
| 2026-06-15 Option Award | 2026-06-16 2:15 pm | 2027-06-15 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 8,416 | $0 | 47,398 (Direct) | View |
| 2026-06-15 Exercise | 2026-06-16 2:15 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,717 | $0 | 47,398 (Direct) | View |
| 2026-06-15 Exercise | 2026-06-16 2:15 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,717 | $104.08 | 47,398 (Direct) | View |
| 2025-06-21 Tax Withholding | 2025-06-25 09:14 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 454 | $95.82 | 16,180 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-25 09:14 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,036 | $0 | 16,180 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-25 09:14 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,036 | $95.82 | 16,180 (Direct) | View |
| 2025-06-18 Tax Withholding | 2025-06-20 5:22 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,243 | $92.99 | 19,973 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:22 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,840 | $0 | 19,973 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:22 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,840 | $92.99 | 19,973 (Direct) | View |
| 2025-06-15 Option Award | 2025-06-18 12:18 pm | 2026-06-15 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 8,133 | $0 | 8,133 (Direct) | View |
| 2015-06-15 Option Award | 2025-06-18 10:59 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 668 | $0 | 12,865 (Direct) | View |
| 2025-06-15 Exercise | 2025-06-18 10:59 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 793 | $0 | 12,865 (Direct) | View |
| 2025-06-10 Expired | 2025-06-11 10:30 am | 2020-06-10 2025-06-10 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 4,087 | $0 | 19,706 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 12:46 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,037 | $0 | 14,218 (Direct) | View |
| 2024-09-01 Tax Withholding | 2024-09-06 12:46 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 454 | $133.69 | 14,218 (Direct) | View |
| 2024-06-18 Option Award | 2024-06-21 1:11 pm | 2025-06-18 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 8,351 | $0 | 8,351 (Direct) | View |
| 2024-06-14 Exercise | 2024-06-17 11:31 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,608 | $0 | 12,356 (Direct) | View |
| 2024-06-14 Tax Withholding | 2024-06-17 11:31 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 572 | $91.6 | 12,356 (Direct) | View |
| 2024-04-02 Expired | 2024-04-03 09:50 am | 2019-04-02 2024-04-02 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,500 | $0 | 23,793 (Direct) | View |
| 2023-09-01 Option Award | 2023-09-05 5:11 pm | 2024-09-01 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 3,109 | $0 | 3,109 (Direct) | View |
| 2023-06-21 Option Award | 2023-06-26 10:29 am | 2024-06-21 2029-06-21 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 5,619 | $0 | 26,293 (Direct) | View |
| 2023-06-16 Exercise | 2023-06-21 12:02 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,696 | $0 | 12,828 (Direct) | View |
| 2023-06-15 Tax Withholding | 2023-06-21 12:02 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 288 | $135.55 | 12,828 (Direct) | View |
| 2023-06-15 Tax Withholding | 2023-06-16 6:24 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 373 | $134.45 | 13,216 (Direct) | View |
| 2023-06-15 Exercise | 2023-06-16 6:24 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,696 | $0 | 13,216 (Direct) | View |
| 2023-03-22 Exercise | 2023-03-27 09:40 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 3,500 | $122.66 | 78,074 (Direct) | View |
| 2023-03-24 Exercise | 2023-03-27 09:40 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,128 | $51.85 | 78,074 (Direct) | View |
| 2023-03-22 Exercise | 2023-03-27 09:40 am | 2018-04-03 2023-04-03 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 4,628 | $0 | 78,074 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-16 2:42 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $70.56 | 35,098 (Direct) | View |
| 2023-03-15 Exercise | 2023-03-16 2:42 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $0 | 35,098 (Direct) | View |
| 2023-03-09 Exercise | 2023-03-09 6:13 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 400 | $70.56 | 36,098 (Direct) | View |
| 2023-03-09 Exercise | 2023-03-09 6:13 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 400 | $0 | 36,098 (Direct) | View |
| 2023-02-09 Exercise | 2023-02-09 8:04 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $51.85 | 36,498 (Direct) | View |
| 2023-02-09 Exercise | 2023-02-09 8:04 pm | 2014-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $0 | 36,498 (Direct) | View |
| 2023-01-23 Exercise | 2023-01-25 12:23 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,100 | $70.56 | 37,498 (Direct) | View |
| 2023-01-23 Exercise | 2023-01-25 12:23 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,100 | $0 | 37,498 (Direct) | View |
| 2022-09-01 Exercise | 2022-09-02 1:46 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,817 | $0 | 10,819 (Direct) | View |
| 2022-09-01 Tax Withholding | 2022-09-02 1:46 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 799 | $178.42 | 10,819 (Direct) | View |
| 2022-08-15 Exercise(A) | 2022-08-17 12:26 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $70.56 | 69,754 (Direct) | View |
| 2022-08-15 Exercise(A) | 2022-08-17 12:26 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $0 | 69,754 (Direct) | View |
| 2022-08-15 Exercise | 2022-08-17 11:49 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $70.56 | 69,754 (Direct) | View |
| 2022-08-15 Exercise | 2022-08-17 11:49 am | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $0 | 69,754 (Direct) | View |
| 2022-06-21 Option Award | 2022-06-22 1:38 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,667 | $0 | 9,170 (Direct) | View |
| 2022-06-17 Tax Withholding | 2022-06-22 1:38 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 173 | $185.57 | 9,170 (Direct) | View |
| 2022-06-17 Exercise | 2022-06-22 1:38 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 392 | $0 | 9,170 (Direct) | View |
| 2022-06-15 Option Award | 2022-06-17 4:44 pm | 2023-06-15 N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 7,581 | $0 | 34,180 (Direct) | View |
| 2022-04-20 Exercise | 2022-04-22 1:17 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 72 | $51.85 | 34,173 (Direct) | View |
| 2022-04-20 Exercise | 2022-04-22 1:17 pm | 2014-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 72 | $0 | 34,173 (Direct) | View |
| 2022-03-23 Exercise | 2022-03-25 1:57 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,600 | $51.85 | 34,185 (Direct) | View |
| 2022-03-23 Exercise | 2022-03-25 1:57 pm | 2014-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,600 | $0 | 34,185 (Direct) | View |
| 2021-12-10 Exercise | 2021-12-10 7:14 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 158 | $89.7 | 65,656 (Direct) | View |
| 2021-12-10 Exercise | 2021-12-10 7:14 pm | 2015-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,758 | $0 | 65,656 (Direct) | View |
| 2021-12-10 Exercise | 2021-12-10 7:14 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,600 | $97.78 | 65,656 (Direct) | View |
| 2021-11-11 Exercise | 2021-11-12 11:20 am | 2017-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $0 | 37,543 (Direct) | View |
| 2021-11-11 Exercise | 2021-11-12 11:20 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $97.78 | 37,543 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-25 09:54 am | 2017-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $0 | 38,543 (Direct) | View |
| 2021-10-20 Exercise | 2021-10-25 09:54 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $97.78 | 38,543 (Direct) | View |