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 |
| 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 | VANGUARD GROUP INC | 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 |
| 2022-01-21 2:17 pm Purchase | 2021-12-31 | 13G | MESA LABORATORIES INC MLAB | ROYCE & ASSOCIATES LP | 342,738 6.560% | 35,544![]() (+11.57%) | Filing History |
| 2022-01-10 2:12 pm Purchase | 2021-12-31 | 13G | MESA LABORATORIES INC MLAB | Conestoga Capital Advisors LLC | 541,578 10.360% | 8,980![]() (+1.69%) | Filing History |

