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Insider Trading - MESA LABORATORIES INC (MLAB)
| | "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>> SPAC List: List of Special Purpose Acquisition Companies |
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2020-11-09 Sale | 2020-11-10 4:18 pm | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 533 | $272.11 | $145,035 | 232 (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 |
| 2020-11-12 Sale | 2020-11-13 5:21 pm | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 950 | $273.77 | $260,081 | 35,878 (Direct) | View |
| 2020-11-13 Sale | 2020-11-16 11:48 am | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 2,050 | $274.3 | $562,315 | 35,878 (Direct) | View |
| 2020-11-16 Sale | 2020-11-18 11:09 am | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 704 | $283.31 | $199,450 | 2,600 (Direct) | View |
| 2020-11-17 Sale | 2020-11-18 12:40 pm | MESA LABORATORIES INC | MLAB | Sakys John CFO | 984 | $290 | $285,360 | 3,350 (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 |
| 2020-12-11 Sale | 2020-12-14 11:57 am | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 250 | $283.18 | $70,795 | 2,350 (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 |
| 2021-01-07 Sale | 2021-01-07 11:40 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 16 | $290 | $4,640 | 3,350 (Direct) | View |
| 2021-01-11 Sale | 2021-01-12 10:27 am | MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director | 477 | $285.23 | $136,055 | 73,467 (Direct) | View |
| 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 |
| 2021-02-10 Sale | 2021-02-10 7:24 pm | MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director | 1,750 | $278.23 | $486,903 | 71,717 (Direct) | View |
| 2021-02-16 Sale | 2021-02-17 10:44 am | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 3,600 | $281.52 | $1,013,472 | 32,755 (Direct) | View |
| 2021-02-23 Sale | 2021-02-24 10:47 am | MESA LABORATORIES INC | MLAB | DINOIA GREGORY VP | 280 | $276.75 | $77,490 | 840 (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 |
| 2021-03-10 Sale | 2021-03-11 10:24 am | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 223 | $271.78 | $60,607 | 154 (Direct) | View |
| 2021-03-12 Sale | 2021-03-15 09:50 am | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,500 | $263.84 | $659,600 | 4,350 (Direct) | View |
| 2021-03-16 Sale | 2021-03-16 7:57 pm | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 720 | $269.48 | $194,026 | 32,035 (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 |
| 2021-04-05 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 |
| 2021-04-16 Sale | 2021-04-19 10:52 am | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 720 | $253.77 | $182,714 | 31,315 (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 | 33,159 (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 | 32,859 (Indirect Direct) | View |
| 2021-05-17 Sale | 2021-05-18 12:49 pm | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 720 | $244.25 | $175,860 | 30,595 (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 | 24,208 (Indirect Direct) | View |
| 2021-06-04 Sale | 2021-06-07 1:19 pm | MESA LABORATORIES INC | MLAB | DINOIA GREGORY VP | 540 | $260.27 | $140,546 | 840 (Direct) | View |
| 2021-06-04 Sale | 2021-06-07 6:34 pm | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 851 | $260.28 | $221,498 | 2,600 (Direct) | View |
| 2021-06-07 Sale | 2021-06-08 11:12 am | MESA LABORATORIES INC | MLAB | Owens Gary M CEO | 1,350 | $264 | $356,400 | 8,513 (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 | 24,208 (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 |
| 2020-11-09 Exercise | 2020-11-10 4:18 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 533 | $203.54 | 765 (Direct) | View |
| 2020-11-09 Exercise | 2020-11-10 4:18 pm | 2020-06-10 2025-06-10 | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 533 | $0 | 5,358 (Direct) | View |
| 2020-11-12 Exercise | 2020-11-13 5:21 pm | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 150 | $29.2 | 36,028 (Direct) | View |
| 2020-11-12 Exercise | 2020-11-13 5:21 pm | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 800 | $51.85 | 36,828 (Direct) | View |
| 2020-11-12 Exercise | 2020-11-13 5:21 pm | 2012-04-06 2021-04-06 | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 150 | $0 | 5,890 (Direct) | View |
| 2020-11-12 Exercise | 2020-11-13 5:21 pm | 2014-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 800 | $0 | 5,090 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 09:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Hall Shannon Director | 254 | $0 | 254 (Direct) | View |
| 2020-11-15 Option Award | 2020-11-16 09:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Hall Shannon Director | 308 | $0 | 308 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 09:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Hall Shannon Director | 254 | $0 | 0 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 10:43 am | N/A N/A | MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director | 477 | $0 | 686 (Direct) | View |
| 2020-11-15 Option Award | 2020-11-16 10:43 am | N/A N/A | MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director | 308 | $0 | 308 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 10:43 am | N/A N/A | MESA LABORATORIES INC | MLAB | Alltoft Jennifer Sadie Director | 477 | $0 | 0 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 10:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director | 477 | $0 | 73,944 (Direct) | View |
| 2020-11-15 Option Award | 2020-11-16 10:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director | 308 | $0 | 308 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 10:56 am | N/A N/A | MESA LABORATORIES INC | MLAB | Schmieder John Bradley Director | 477 | $0 | 0 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 11:07 am | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 477 | $0 | 3,287 (Direct) | View |
| 2020-11-15 Option Award | 2020-11-16 11:07 am | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 308 | $0 | 308 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 11:07 am | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 477 | $0 | 0 (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 | 62,958 (Direct) | View |
| 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 | 308 (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 | 0 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 850 | $29.2 | 36,728 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 1,000 | $50.5 | 37,728 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 200 | $51.85 | 37,928 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | 2012-04-06 2021-04-06 | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 850 | $0 | 6,290 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | 2013-04-02 2022-04-02 | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 1,000 | $0 | 5,290 (Direct) | View |
| 2020-11-13 Exercise | 2020-11-16 11:48 am | 2014-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 200 | $0 | 5,090 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 11:59 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 477 | $0 | 36,355 (Direct) | View |
| 2020-11-15 Option Award | 2020-11-16 11:59 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 308 | $0 | 308 (Direct) | View |
| 2020-11-15 Exercise | 2020-11-16 11:59 am | N/A N/A | MESA LABORATORIES INC | MLAB | GUILLEMIN EVAN Director | 477 | $0 | 0 (Direct) | View |
| 2020-11-16 Exercise | 2020-11-18 11:09 am | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 17 | $58.51 | 3,304 (Direct) | View |
| 2020-11-16 Exercise | 2020-11-18 11:09 am | 2015-10-02 2022-10-02 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 17 | $0 | 1,438 (Direct) | View |
| 2020-11-17 Exercise | 2020-11-18 12:40 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 984 | $89.7 | 4,334 (Direct) | View |
| 2020-11-17 Exercise | 2020-11-18 12:40 pm | 2015-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 984 | $0 | 36,012 (Direct) | View |
| 2021-01-07 Exercise | 2021-01-07 11:40 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 16 | $89.7 | 3,366 (Direct) | View |
| 2021-01-07 Exercise | 2021-01-07 11:40 am | 2015-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 16 | $0 | 35,996 (Direct) | View |
| 2021-01-08 Exercise | 2021-01-11 2:26 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $89.7 | 4,350 (Direct) | View |
| 2021-01-08 Exercise | 2021-01-11 2:26 pm | 2015-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 1,000 | $0 | 34,996 (Direct) | View |
| 2021-03-10 Exercise | 2021-03-11 10:24 am | N/A N/A | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 145 | $129.1 | 377 (Direct) | View |
| 2021-03-10 Exercise | 2021-03-11 10:24 am | 2019-01-08 2024-01-08 | MESA LABORATORIES INC | MLAB | Archbold Brian David VP | 145 | $0 | 5,213 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-15 09:50 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 500 | $48.72 | 4,850 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-15 09:50 am | N/A N/A | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $70.56 | 6,850 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-15 09:50 am | 2013-10-29 2022-10-29 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 500 | $0 | 34,496 (Direct) | View |
| 2021-03-12 Exercise | 2021-03-15 09:50 am | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sakys John CFO | 2,000 | $0 | 32,496 (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 | 34,394 (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 | 23,564 (Indirect) | 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 | 26,423 (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 | 30,000 (Indirect) | View |
| 2021-06-04 Exercise | 2021-06-07 1:19 pm | N/A N/A | MESA LABORATORIES INC | MLAB | DINOIA GREGORY VP | 540 | $142.4 | 1,380 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 1:19 pm | 2021-04-02 2024-04-02 | MESA LABORATORIES INC | MLAB | DINOIA GREGORY VP | 540 | $0 | 5,914 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 172 | $89.7 | 2,772 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 189 | $70.56 | 2,961 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 200 | $97.78 | 3,161 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 200 | $122.66 | 3,361 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | N/A N/A | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 90 | $142.4 | 3,451 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | 2015-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 172 | $0 | 1,266 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 189 | $0 | 1,077 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | 2017-04-01 2022-04-01 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 200 | $0 | 877 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | 2018-04-03 2023-04-03 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 200 | $0 | 677 (Direct) | View |
| 2021-06-04 Exercise | 2021-06-07 6:34 pm | 2019-04-02 2024-04-02 | MESA LABORATORIES INC | MLAB | KELLY DAVID M Director | 90 | $0 | 587 (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 | 29,400 (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 | 44,796 (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 | 24,523 (Direct) | View |
| 2021-06-10 Exercise | 2021-06-11 4:42 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 400 | $70.56 | 24,923 (Direct) | View |
| 2021-06-10 Exercise | 2021-06-11 4:42 pm | N/A N/A | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 286 | $70.56 | 25,209 (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 | 315 | $0 | 44,481 (Direct) | View |
| 2021-06-10 Exercise | 2021-06-11 4:42 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 400 | $0 | 44,081 (Direct) | View |
| 2021-06-10 Exercise | 2021-06-11 4:42 pm | 2016-04-01 2023-04-01 | MESA LABORATORIES INC | MLAB | Sullivan John James Director | 286 | $0 | 43,795 (Direct) | View |