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 |
2022-06-07 Sale(A) |
2022-06-13 09:30 am |
MESA LABORATORIES INC | Sullivan John James Director |
5,192 | $207.76 | $1,078,690 | 113,737 (Indirect Direct) |
View | |
2022-06-07 Sale |
2022-06-13 09:09 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $207.76 | $1,078,690 | 113,737 (Indirect Direct) |
View |
2022-02-15 Sale |
2022-02-16 2:10 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $259.42 | $1,346,909 | 109,741 (Indirect Direct) |
View |
2021-11-15 Sale |
2021-11-16 11:47 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $308.02 | $1,599,240 | 121,433 (Indirect Direct) |
View |
2021-10-01 Sale |
2021-10-04 10:22 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $304.48 | $380,600 | 51,857 (Indirect Direct) |
View |
2021-09-01 Sale |
2021-09-01 4:45 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $268.22 | $335,275 | 53,107 (Indirect Direct) |
View |
2021-08-16 Sale |
2021-08-17 6:53 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $272.16 | $1,413,055 | 91,960 (Indirect Direct) |
View |
2021-08-02 Sale |
2021-08-02 5:34 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $290.47 | $363,088 | 53,049 (Indirect Direct) |
View |
2021-07-01 Sale |
2021-07-06 10:48 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $267.44 | $334,300 | 54,299 (Indirect Direct) |
View |
2021-06-08 Sale |
2021-06-09 11:54 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $258.19 | $1,340,522 | 99,004 (Indirect Direct) |
View |
2021-06-01 Sale |
2021-06-04 4:41 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
2,215 | $251.46 | $556,984 | 54,208 (Indirect Direct) |
View |
2021-05-05 Sale |
2021-05-07 11:20 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
300 | $250.23 | $75,069 | 56,423 (Indirect Direct) |
View |
2021-05-04 Sale |
2021-05-05 6:04 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
735 | $250.14 | $183,853 | 56,723 (Indirect Direct) |
View |
2021-04-05 Sale(A) |
2021-04-12 10:53 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
500 | $250.76 | $125,380 | 33,894 (Direct) |
View |
2021-04-05 Sale |
2021-04-05 6:26 pm |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
500 | $250.76 | $125,380 | 57,458 (Direct) |
View |
2021-03-01 Sale |
2021-03-02 10:43 am |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,250 | $273.94 | $342,425 | 57,958 (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 |
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 |
2024-09-01 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 |
2024-08-15 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 |
2024-04-02 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 |
2023-11-09 Gift |
2023-11-14 06:11 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
2,200 | $0 | 71,584 (Direct) |
View |
2023-09-01 Exercise |
2023-09-06 12:06 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,074 | $0 | 1,074 (Direct) |
View |
2023-08-15 Exercise |
2023-08-16 3:37 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
754 | $0 | 73,584 (Direct) |
View |
2023-06-16 Exercise |
2023-06-21 1:38 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
15 | $0 | 72,830 (Direct) |
View |
2023-06-16 Tax Withholding |
2023-06-21 1:38 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
6 | $135.55 | 72,830 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 7:56 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
15 | $0 | 28,256 (Direct) |
View |
2023-06-15 Tax Withholding |
2023-06-16 7:56 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
6 | $134.45 | 28,256 (Direct) |
View |
2023-02-02 Gift |
2023-02-06 11:50 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
14,580 | $0 | 72,812 (Direct) |
View |
2022-11-28 Gift |
2022-11-29 10:52 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,425 | $0 | 72,812 (Direct) |
View |
2022-09-01 Exercise |
2022-09-02 12:59 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
787 | $0 | 74,237 (Direct) |
View |
2022-08-15 Option Award |
2022-08-18 3:16 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
754 | $0 | 754 (Direct) |
View |
2022-07-05 Exercise |
2022-07-06 1:05 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
3,576 | $70.56 | 89,350 (Direct) |
View |
2022-07-05 Exercise |
2022-07-06 1:05 pm |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
18,576 | $0 | 89,350 (Direct) |
View |
2022-07-05 Exercise |
2022-07-06 1:05 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
15,000 | $122.66 | 89,350 (Direct) |
View |
2022-06-15 Exercise |
2022-06-16 5:18 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
30 | $0 | 54,904 (Direct) |
View |
2022-06-15 Tax Withholding |
2022-06-16 5:18 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
14 | $185.7 | 54,904 (Direct) |
View |
2022-06-07 Exercise(A) |
2022-06-13 09:30 am |
N/A N/A |
MESA LABORATORIES INC | Sullivan John James Director |
6,193 | $70.56 | 113,737 (Direct) |
View | |
2022-06-07 Exercise(A) |
2022-06-13 09:30 am |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | Sullivan John James Director |
6,193 | $0 | 113,737 (Direct) |
View | |
2022-06-07 Exercise |
2022-06-13 09:09 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
6,193 | $70.56 | 113,737 (Direct) |
View |
2022-06-07 Exercise |
2022-06-13 09:09 am |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
6,193 | $0 | 113,737 (Direct) |
View |
2022-02-17 Exercise |
2022-02-22 10:21 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $70.56 | 79,076 (Direct) |
View |
2022-02-17 Exercise |
2022-02-22 10:21 am |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $0 | 79,076 (Direct) |
View |
2022-02-15 Exercise |
2022-02-16 2:10 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
746 | $70.56 | 109,741 (Direct) |
View |
2022-02-15 Exercise |
2022-02-16 2:10 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
4,446 | $97.78 | 109,741 (Direct) |
View |
2022-02-15 Exercise |
2022-02-16 2:10 pm |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $0 | 109,741 (Direct) |
View |
2021-11-17 Exercise |
2021-11-18 1:02 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $70.56 | 84,268 (Direct) |
View |
2021-11-17 Exercise |
2021-11-18 1:02 pm |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $0 | 84,268 (Direct) |
View |
2021-11-15 Exercise |
2021-11-16 11:47 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
438 | $89.7 | 121,433 (Direct) |
View |
2021-11-15 Exercise |
2021-11-16 11:47 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
4,754 | $97.78 | 121,433 (Direct) |
View |
2021-11-15 Exercise |
2021-11-16 11:47 am |
2015-04-01 2022-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $0 | 121,433 (Direct) |
View |
2021-09-01 Option Award |
2021-09-01 5:24 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
787 | $0 | 0 (Direct) |
View |
2021-08-18 Exercise |
2021-08-19 10:58 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $70.56 | 91,960 (Direct) |
View |
2021-08-18 Exercise |
2021-08-19 10:58 am |
2015-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,000 | $0 | 91,960 (Direct) |
View |
2021-08-16 Exercise |
2021-08-17 6:53 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $89.7 | 91,960 (Direct) |
View |
2021-08-16 Exercise |
2021-08-17 6:53 pm |
2015-04-01 2022-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $0 | 91,960 (Direct) |
View |
2021-08-15 Exercise |
2021-08-16 2:37 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
308 | $0 | 53,357 (Direct) |
View |
2021-06-15 Exercise |
2021-06-16 1:25 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
340 | $0 | 55,609 (Direct) |
View |
2021-06-10 Exercise |
2021-06-11 4:42 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
686 | $70.56 | 187,566 (Direct) |
View |
2021-06-10 Exercise |
2021-06-11 4:42 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
315 | $89.7 | 187,566 (Direct) |
View |
2021-06-10 Exercise |
2021-06-11 4:42 pm |
2015-04-01 2022-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
1,001 | $0 | 187,566 (Direct) |
View |
2021-06-08 Exercise |
2021-06-09 11:54 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $89.7 | 99,004 (Direct) |
View |
2021-06-08 Exercise |
2021-06-09 11:54 am |
2015-04-01 2022-04-01 |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
5,192 | $0 | 99,004 (Direct) |
View |
2021-05-13 Gift |
2021-05-18 7:17 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
6,436 | $0 | 56,423 (Direct) |
View |
2021-03-26 Gift |
2021-04-12 10:48 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sullivan John James Director |
23,564 | $0 | 57,958 (Direct) |
View |