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 |
| 2025-06-16 Sale | 2025-06-18 11:27 am | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 1,939 | $97.12 | $188,312 | 45,824 (Direct) | View |
| 2025-06-16 Sale | 2025-06-18 11:13 am | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 472 | $97.12 | $45,840 | 558 (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 |
| 2025-03-19 Sale | 2025-03-24 1:38 pm | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 21,000 | $123.91 | $2,602,110 | 117,106 (Direct) | View |
| 2024-10-28 Sale | 2024-10-29 8:18 pm | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 5,069 | $112.79 | $571,736 | 43,337 (Direct) | View |
| 2024-09-13 Sale | 2024-09-16 12:14 pm | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 1,499 | $125 | $187,375 | 0 (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 |
| 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 | $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 Tax Withholding | 2025-06-25 09:05 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 385 | $95.82 | 3,251 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-25 09:05 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 844 | $95.82 | 3,251 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-25 09:05 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 844 | $0 | 3,251 (Direct) | View |
| 2025-06-21 Tax Withholding | 2025-06-24 10:12 am | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 1,445 | $95.82 | 55,877 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-24 10:12 am | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 3,301 | $95.82 | 55,877 (Direct) | View |
| 2025-06-21 Exercise | 2025-06-24 10:12 am | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 3,301 | $0 | 55,877 (Direct) | View |
| 2025-06-18 Tax Withholding | 2025-06-20 5:39 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 3,810 | $92.99 | 67,621 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:39 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 8,707 | $92.99 | 67,621 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:39 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 8,707 | $0 | 67,621 (Direct) | View |
| 2025-06-18 Tax Withholding | 2025-06-20 5:31 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 1,166 | $92.99 | 6,908 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:31 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 2,556 | $92.99 | 6,908 (Direct) | View |
| 2025-06-18 Exercise | 2025-06-20 5:31 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 2,556 | $0 | 6,908 (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 | $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 |
| 2025-06-15 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 |
| 2025-06-15 Option Award | 2025-06-18 12:12 pm | 2026-06-15 N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 7,346 | $0 | 7,346 (Direct) | View |
| 2025-06-15 Option Award | 2025-06-18 12:04 pm | 2026-06-15 N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 24,659 | $0 | 24,659 (Direct) | View |
| 2025-06-15 Exercise | 2025-06-18 11:27 am | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 4,426 | $0 | 45,824 (Direct) | View |
| 2025-06-15 Exercise | 2025-06-18 11:13 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 1,030 | $0 | 558 (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 |
| 2025-06-10 Expired | 2025-06-11 10:23 am | 2020-06-10 2025-06-10 | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 2,129 | $0 | 12,567 (Direct) | View |
| 2025-06-10 Expired | 2025-06-11 10:16 am | 2020-06-10 2025-06-10 | MESA LABORATORIES INC | MLAB | Owens Gary M President & CEO | 9,939 | $0 | 63,830 (Direct) | View |
| 2025-03-19 Exercise | 2025-03-24 1:38 pm | 2018-03-20 2025-03-20 | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 21,000 | $0 | 117,106 (Direct) | View |
| 2025-03-19 Exercise | 2025-03-24 1:38 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 21,000 | $122.98 | 117,106 (Direct) | View |
| 2024-11-19 Gift | 2024-11-25 11:40 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 2,000 | $0 | 70,658 (Direct) | View |
| 2024-10-27 Option Award | 2024-10-29 8:18 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 11,559 | $0 | 43,337 (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 |
| 2024-09-01 Exercise | 2024-09-06 12:21 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 3,301 | $0 | 43,448 (Direct) | View |
| 2024-09-01 Tax Withholding | 2024-09-06 12:21 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 1,445 | $133.69 | 43,448 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 12:12 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 845 | $0 | 3,187 (Direct) | View |
| 2024-09-01 Tax Withholding | 2024-09-06 12:12 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 386 | $133.69 | 3,187 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 11:53 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 1,074 | $0 | 72,658 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 11:43 am | N/A N/A | MESA LABORATORIES INC | MLAB | Tripeny R Tony Director | 1,074 | $0 | 2,679 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 11:35 am | N/A N/A | MESA LABORATORIES INC | MLAB | Ladiwala Shiraz Shabanali Director | 1,574 | $0 | 3,074 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 11:28 am | N/A N/A | MESA LABORATORIES INC | MLAB | Hall Shannon Director | 1,074 | $0 | 2,785 (Direct) | View |
| 2024-09-01 Exercise | 2024-09-06 11:22 am | N/A N/A | MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director | 1,074 | $0 | 3,474 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 12:08 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Ladiwala Shiraz Shabanali Director | 1,949 | $0 | 1,949 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 12:01 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Hall Shannon Director | 1,404 | $0 | 1,404 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 11:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Tripeny R Tony Director | 1,404 | $0 | 1,404 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 11:33 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 1,404 | $0 | 1,404 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 11:25 am | N/A N/A | MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director | 1,404 | $0 | 1,404 (Direct) | View |
| 2024-08-15 Option Award | 2024-08-19 11:08 am | N/A N/A | MESA LABORATORIES INC | MLAB | Capone Mark Christopher Director | 1,404 | $0 | 2,128 (Direct) | View |
| 2024-08-15 Exercise | 2024-08-19 11:08 am | N/A N/A | MESA LABORATORIES INC | MLAB | Capone Mark Christopher Director | 724 | $0 | 2,128 (Direct) | View |
| 2024-06-18 Option Award | 2024-06-21 1:31 pm | 2025-06-18 N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP operations | 7,516 | $0 | 7,516 (Direct) | View |
| 2024-06-18 Option Award | 2024-06-21 1:26 pm | 2025-06-18 N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 25,607 | $0 | 25,607 (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 1:41 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO | 9,918 | $0 | 37,305 (Direct) | View |
| 2024-06-14 Exercise | 2024-06-17 11:50 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 1,778 | $0 | 1,575 (Direct) | View |
| 2024-06-14 Tax Withholding | 2024-06-17 11:50 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations | 407 | $91.6 | 1,575 (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 09:57 am | 2019-04-02 2024-04-02 | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 450 | $0 | 0 (Direct) | View |