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 |
2023-12-15 Sale |
2023-12-19 11:21 am |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
1,500 | $112.36 | $168,540 | 558 (Direct) |
View |
2023-09-14 Sale |
2023-09-19 12:34 pm |
MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director |
4,000 | $123.22 | $492,890 | 62,760 (Direct) |
View |
2023-09-13 Sale |
2023-09-14 1:47 pm |
MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director |
3,000 | $123.32 | $369,965 | 66,760 (Direct) |
View |
2023-09-01 Sale |
2023-09-05 4:34 pm |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
2,000 | $142.82 | $285,640 | 129,801 (Direct) |
View |
2023-03-22 Sale |
2023-03-27 09:40 am |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
4,628 | $169.5 | $784,447 | 78,074 (Indirect Direct) |
View |
2023-03-15 Sale |
2023-03-16 2:42 pm |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,000 | $165.71 | $165,710 | 35,098 (Indirect Direct) |
View |
2023-03-09 Sale |
2023-03-09 6:13 pm |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
400 | $169.97 | $67,988 | 36,098 (Indirect 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 |
2024-04-02 Expired |
2024-04-03 09:50 am |
2019-04-02 2024-04-02 |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
2,500 | $0 | 23,793 (Direct) |
View |
2024-04-02 Expired |
2024-04-03 09:46 am |
2019-04-02 2024-04-02 |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
5,000 | $0 | 94,769 (Direct) |
View |
2024-04-02 Expired |
2024-04-03 09:40 am |
2019-04-02 2024-04-02 |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
420 | $0 | 14,696 (Direct) |
View |
2024-01-08 Expired |
2024-03-26 12:51 pm |
2019-01-08 2024-01-08 |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
290 | $0 | 15,116 (Direct) |
View |
2024-02-15 Option Award |
2024-02-16 1:10 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Capone Mark Christopher Director |
724 | $0 | 724 (Direct) |
View |
Ownership |
2024-02-16 11:37 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Capone Mark Christopher Director |
0 | $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 12:36 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Ladiwala Shiraz Shabanali Director |
1,614 | $0 | 3,074 (Direct) |
View |
2023-09-01 Exercise |
2023-09-06 12:26 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Hall Shannon Director |
1,074 | $0 | 1,074 (Direct) |
View |
2023-09-01 Exercise |
2023-09-06 12:15 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director |
1,074 | $0 | 1,074 (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 |
2023-09-01 Exercise |
2023-09-06 11:59 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Tripeny R Tony Director |
1,074 | $0 | 1,074 (Direct) |
View |
2023-09-01 Option Award |
2023-09-05 5:11 pm |
2024-09-01 N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
3,109 | $0 | 3,109 (Direct) |
View |
2023-09-01 Option Award |
2023-09-05 5:04 pm |
2024-09-01 N/A |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
2,533 | $0 | 2,533 (Direct) |
View |
2023-09-01 Option Award |
2023-09-05 4:52 pm |
2024-09-01 N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
9,902 | $0 | 9,902 (Direct) |
View |
2023-09-01 Exercise |
2023-09-05 4:34 pm |
2018-09-01 2023-09-01 |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
2,000 | $0 | 129,801 (Direct) |
View |
2023-09-01 Exercise |
2023-09-05 4:34 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
2,000 | $136.42 | 129,801 (Direct) |
View |
2023-08-15 Exercise |
2023-08-16 3:54 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Tripeny R Tony Director |
1,105 | $0 | 1,605 (Direct) |
View |
2023-08-15 Exercise |
2023-08-16 3:45 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Ladiwala Shiraz Shabanali Director |
1,055 | $0 | 1,460 (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 |
2023-08-15 Exercise |
2023-08-16 3:28 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director |
754 | $0 | 2,400 (Direct) |
View |
2023-08-15 Exercise |
2023-08-16 3:19 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director |
754 | $0 | 69,760 (Direct) |
View |
2023-08-15 Exercise |
2023-08-16 2:03 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Hall Shannon Director |
754 | $0 | 1,711 (Direct) |
View |
2023-06-21 Option Award |
2023-06-26 10:45 am |
2024-06-21 2029-06-21 |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
4,579 | $0 | 15,406 (Direct) |
View |
2023-06-21 Option Award |
2023-06-26 10:39 am |
2024-06-21 2029-06-21 |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
17,896 | $0 | 101,769 (Direct) |
View |
2023-06-21 Option Award |
2023-06-26 10:29 am |
2024-06-21 2029-06-21 |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
5,619 | $0 | 26,293 (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 |
2023-06-16 Exercise |
2023-06-21 1:22 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
5,640 | $0 | 37,330 (Direct) |
View |
2023-06-16 Tax Withholding |
2023-06-21 1:22 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M President and CEO |
945 | $135.55 | 37,330 (Direct) |
View |
2023-06-16 Exercise |
2023-06-21 12:23 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
1,224 | $0 | 3,482 (Direct) |
View |
2023-06-16 Tax Withholding |
2023-06-21 12:23 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
189 | $135.55 | 3,482 (Direct) |
View |
2023-06-16 Exercise |
2023-06-21 12:02 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,696 | $0 | 12,828 (Direct) |
View |
2023-06-15 Tax Withholding |
2023-06-21 12:02 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
288 | $135.55 | 12,828 (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 |
2023-06-15 Exercise |
2023-06-16 7:46 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director |
30 | $0 | 69,006 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 7:37 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M CEO |
5,646 | $0 | 38,275 (Direct) |
View |
2023-06-15 Tax Withholding |
2023-06-16 7:37 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Owens Gary M CEO |
1,237 | $134.45 | 38,275 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 7:10 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
1,228 | $0 | 3,671 (Direct) |
View |
2023-06-15 Tax Withholding |
2023-06-16 7:10 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Archbold Brian David SVP Operations |
283 | $134.45 | 3,671 (Direct) |
View |
2023-06-15 Exercise |
2023-06-16 6:24 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,696 | $0 | 13,216 (Direct) |
View |
2023-06-15 Tax Withholding |
2023-06-16 6:24 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
373 | $134.45 | 13,216 (Direct) |
View |
2023-03-24 Exercise |
2023-03-27 09:40 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,128 | $51.85 | 78,074 (Direct) |
View |
2023-03-22 Exercise |
2023-03-27 09:40 am |
2018-04-03 2023-04-03 |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
4,628 | $0 | 78,074 (Direct) |
View |
2023-03-22 Exercise |
2023-03-27 09:40 am |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
3,500 | $122.66 | 78,074 (Direct) |
View |
2023-03-15 Exercise |
2023-03-16 2:42 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,000 | $70.56 | 35,098 (Direct) |
View |
2023-03-15 Exercise |
2023-03-16 2:42 pm |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
1,000 | $0 | 35,098 (Direct) |
View |
2023-03-09 Exercise |
2023-03-09 6:13 pm |
N/A N/A |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
400 | $70.56 | 36,098 (Direct) |
View |
2023-03-09 Exercise |
2023-03-09 6:13 pm |
2016-04-01 2023-04-01 |
MESA LABORATORIES INC | MLAB | Sakys John CFO |
400 | $0 | 36,098 (Direct) |
View |