Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2025-04-30 11:44 am Sale | 2025-03-31 | 13G | Mesa Laboratories, Inc. MLAB | ROYCE & ASSOCIATES LP | 271,118 4.990% | -16,089 (-5.60%) | Filing History |
| 2025-01-28 11:55 am Sale | 2024-12-31 | 13G | Mesa Laboratories, Inc. MLAB | ROYCE & ASSOCIATES LP | 287,207 5.290% | -59,938 (-17.27%) | Filing History |
| 2025-01-10 11:55 am Purchase | 2024-12-31 | 13G | Mesa Laboratories, Inc. MLAB | Conestoga Capital Advisors LLC | 618,111 11.380% | 499 (+0.08%) | Filing History |
| 2024-10-15 1:29 pm Purchase | 2024-09-30 | 13G | Mesa Laboratories, Inc. MLAB | ROYCE & ASSOCIATES LP | 347,145 6.420% | 77,500 (+28.74%) | Filing History |
| 2024-02-13 5:09 pm Purchase | 2023-12-29 | 13G | Mesa Laboratories, Inc. MLAB | The Vanguard Group | 370,278 6.870% | 10,985 (+3.06%) | Filing History |
| 2024-01-23 2:18 pm Purchase | 2023-12-31 | 13G | Mesa Laboratories, Inc. MLAB | ROYCE & ASSOCIATES LP | 269,645 5.000% | 109,068 (+67.92%) | Filing History |
| 2024-01-22 3:52 pm Sale | 2023-12-31 | 13G | Mesa Laboratories, Inc. MLAB | BlackRock Inc. BLK | 845,773 15.700% | -28,551 (-3.27%) | Filing History |
| 2024-01-05 09:48 am Purchase | 2023-12-31 | 13G | Mesa Laboratories, Inc. MLAB | Conestoga Capital Advisors LLC | 617,612 11.450% | 12,495 (+2.06%) | Filing History |
| 2023-02-09 11:27 am Purchase | 2022-12-30 | 13G | Mesa Laboratories, Inc. MLAB | The Vanguard Group | 359,293 6.730% | 22,265 (+6.61%) | Filing History |
| 2023-02-02 3:23 pm Sale | 2023-02-02 | 13G | Mesa Laboratories, Inc. MLAB | Invesco Ltd. IVZ | 232,427 4.400% | -43,225 (-15.68%) | Filing History |
| 2023-01-27 11:03 am Sale | 2022-12-31 | 13G | Mesa Laboratories, Inc. MLAB | ROYCE & ASSOCIATES LP | 160,577 3.010% | -182,161 (-53.15%) | Filing History |
| 2023-01-26 08:43 am Unchanged | 2022-12-31 | 13G | Mesa Laboratories, Inc. MLAB | BlackRock Inc. BLK | 874,324 16.400% | 0 (Unchanged) | Filing History |
| 2023-01-20 5:17 pm Sale | 2022-12-31 | 13G | Mesa Laboratories, Inc. MLAB | BlackRock Inc. BLK | 874,324 16.400% | -46,563 (-5.06%) | Filing History |
| 2023-01-18 09:14 am Sale | 2022-12-31 | 13G | Mesa Laboratories, Inc. MLAB | Conestoga Capital Advisors LLC | 605,117 11.340% | -1,702 (-0.28%) | Filing History |
| 2022-11-18 12:20 pm Purchase | 2022-11-18 | 13G | Mesa Laboratories, Inc. MLAB | Conestoga Capital Advisors LLC | 606,819 11.370% | 65,241 (+12.05%) | Filing History |
| 2022-02-14 2:34 pm Sale | 2021-12-31 | 13G | Mesa Laboratories, Inc. MLAB | T. Rowe Price Associates, Inc. | 1,237 0.000% | -260,065 (-99.53%) | Filing History |
| 2022-02-10 09:48 am Purchase | 2022-02-09 | 13G | Mesa Laboratories, Inc. MLAB | Invesco Ltd. IVZ | 275,652 5.300% | 9,829 (+3.70%) | Filing History |
| 2022-02-10 08:27 am Purchase | 2021-12-31 | 13G | Mesa Laboratories, Inc. MLAB | The Vanguard Group | 337,028 6.450% | 31,242 (+10.22%) | Filing History |
| 2022-01-27 11:00 am Unchanged | 2021-12-31 | 13G | Mesa Laboratories, Inc. MLAB | BlackRock Inc. BLK | 920,887 17.600% | 0 (Unchanged) | Filing History |
| 2022-01-25 3:03 pm Purchase | 2021-12-31 | 13G | Mesa Laboratories, Inc. MLAB | BlackRock Inc. BLK | 920,887 17.600% | 144,655 (+18.64%) | Filing History |