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 |
2021-02-01 Sale |
2021-02-01 6:59 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $277.67 | $347,088 | 59,208 (Direct) |
View |
2021-01-04 Sale |
2021-01-04 5:14 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $280.82 | $351,025 | 60,458 (Direct) |
View |
2020-12-01 Sale |
2020-12-01 7:36 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $275.22 | $344,025 | 61,708 (Direct) |
View |
2020-11-11 Sale |
2020-11-12 12:24 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $272.36 | $340,450 | 62,481 (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 |
2020-11-15 Option Award |
2020-11-16 11:17 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
308 | $0 | 63,266 (Direct) |
View |
2020-11-15 Exercise |
2020-11-16 11:17 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
477 | $0 | 63,266 (Direct) |
View |
2020-06-15 Option Award |
2020-06-16 6:13 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
310 | $0 | 64,131 (Direct) |
View |
2020-06-15 Exercise |
2020-06-16 6:13 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
30 | $0 | 64,131 (Direct) |
View |