| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Dec 15, 2023 | Sale | $112.36 | 1,500 | 168,540 | 558 | Dec 19, 2023, 11:21 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Sep 14, 2023 | Sale | $123.05 | 3,000 | 369,150 | 63,760 | Sep 19, 2023, 12:34 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Sep 15, 2023 | Sale | $123.74 | 1,000 | 123,740 | 62,760 | Sep 19, 2023, 12:34 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Sep 13, 2023 | Sale | $123.32 | 3,000 | 369,965 | 66,760 | Sep 14, 2023, 01:47 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Sep 01, 2023 | Option Exercise | $139.62 | 4,000 | 558,480 | 32,032 | Sep 05, 2023, 04:34 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 16, 2023 | Option Exercise | $135.55 | 6 | 813 | 28,250 | Jun 21, 2023, 01:38 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Jun 16, 2023 | Option Exercise | $135.55 | 945 | 128,095 | 30,047 | Jun 21, 2023, 01:22 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Jun 16, 2023 | Option Exercise | $135.55 | 189 | 25,619 | 2,058 | Jun 21, 2023, 12:23 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jun 15, 2023 | Option Exercise | $135.55 | 288 | 39,038 | 10,731 | Jun 21, 2023, 12:02 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 15, 2023 | Option Exercise | $134.45 | 6 | 807 | 28,241 | Jun 16, 2023, 07:56 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | CEO | Jun 15, 2023 | Option Exercise | $134.45 | 1,237 | 166,315 | 28,172 | Jun 16, 2023, 07:37 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Jun 15, 2023 | Option Exercise | $134.45 | 283 | 38,049 | 1,635 | Jun 16, 2023, 07:10 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jun 15, 2023 | Option Exercise | $134.45 | 373 | 50,150 | 10,171 | Jun 16, 2023, 06:24 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 22, 2023 | Sale | $147.14 | 5,000 | 735,700 | 12,196 | Mar 27, 2023, 09:40 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 24, 2023 | Sale | $126.07 | 4,256 | 536,544 | 10,824 | Mar 27, 2023, 09:40 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 15, 2023 | Sale | $118.14 | 2,000 | 236,270 | 10,696 | Mar 16, 2023, 02:42 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 09, 2023 | Sale | $120.26 | 800 | 96,212 | 10,096 | Mar 09, 2023, 06:13 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Feb 09, 2023 | Sale | $118.06 | 2,000 | 236,120 | 10,696 | Feb 09, 2023, 08:04 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jan 23, 2023 | Sale | $140.38 | 4,200 | 589,575 | 11,796 | Jan 25, 2023, 12:23 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jan 13, 2023 | Sale | $191.31 | 1,571 | 300,548 | 68,976 | Jan 17, 2023, 12:33 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jan 13, 2013 | Option Exercise | $122.66 | 1,000 | 122,660 | 70,547 | Jan 17, 2023, 10:52 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jan 13, 2023 | Sale | $159.51 | 2,142 | 341,671 | 69,547 | Jan 17, 2023, 10:52 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Hall Shannon | Director | Dec 08, 2022 | Sale | $174.98 | 230 | 40,244 | 957 | Dec 09, 2022, 09:00 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Nov 11, 2022 | Sale | $175.45 | 2,500 | 438,625 | 68,976 | Nov 21, 2022, 10:06 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Sep 01, 2022 | Option Exercise | $178.42 | 799 | 142,558 | 9,696 | Sep 02, 2022, 01:46 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Sep 01, 2022 | Option Exercise | $178.42 | 722 | 128,819 | 26,586 | Sep 02, 2022, 01:30 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | VP Operations | Sep 01, 2022 | Option Exercise | $178.42 | 412 | 73,509 | 1,304 | Sep 02, 2022, 01:14 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Aug 18, 2022 | Sale | $155.55 | 6,372 | 991,138 | 32,468 | Aug 19, 2022, 11:55 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Aug 15, 2022 | Sale | $135.55 | 1,256 | 170,251 | 10,050 | Aug 17, 2022, 12:26 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Aug 16, 2022 | Sale | $135.57 | 2,744 | 372,004 | 10,678 | Aug 17, 2022, 12:26 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Aug 15, 2022 | Option Exercise | $135.55 | 1,256 | 170,251 | 10,050 | Aug 17, 2022, 11:49 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Aug 16, 2022 | Sale | $135.57 | 2,744 | 372,004 | 10,678 | Aug 17, 2022, 11:49 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Tripeny R Tony | Director | Aug 09, 2022 | Buy | $200.00 | 500 | 100,000 | 500 | Aug 09, 2022, 05:28 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jul 05, 2022 | Option Exercise | $112.63 | 18,576 | 2,092,223 | 43,450 | Jul 06, 2022, 01:05 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Jun 17, 2022 | Option Exercise | $185.57 | 740 | 137,322 | 19,341 | Jun 22, 2022, 02:46 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Jun 21, 2022 | Sale | $188.22 | 1,756 | 330,521 | 21,640 | Jun 22, 2022, 02:46 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Jun 17, 2022 | Option Exercise | $185.57 | 155 | 28,763 | 337 | Jun 22, 2022, 02:25 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Jun 21, 2022 | Sale | $188.22 | 392 | 73,784 | 813 | Jun 22, 2022, 02:25 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | DINOIA GREGORY | SVP Commercial | Jun 17, 2022 | Option Exercise | $185.57 | 173 | 32,104 | 2,911 | Jun 22, 2022, 02:04 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | DINOIA GREGORY | SVP Commercial | Jun 21, 2022 | Sale | $188.22 | 555 | 104,464 | 3,634 | Jun 22, 2022, 02:04 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jun 17, 2022 | Option Exercise | $185.57 | 173 | 32,104 | 7,733 | Jun 22, 2022, 01:38 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jun 21, 2022 | Sale | $188.22 | 722 | 135,898 | 8,678 | Jun 22, 2022, 01:38 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 15, 2022 | Option Exercise | $185.70 | 14 | 2,600 | 24,874 | Jun 16, 2022, 05:18 PM | |
| @PVCNT2F | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 07, 2022 | Sale | $139.16 | 10,384 | 1,445,037 | 29,049 | Jun 13, 2022, 09:30 AM | |
| @PVCNT2F | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 09, 2022 | Option Exercise | $70.56 | 1,001 | 70,631 | 24,858 | Jun 13, 2022, 09:30 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 07, 2022 | Sale | $139.16 | 10,384 | 1,445,037 | 29,049 | Jun 13, 2022, 09:09 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 09, 2022 | Option Exercise | $70.56 | 1,001 | 70,631 | 24,858 | Jun 13, 2022, 09:09 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Apr 20, 2022 | Sale | $151.15 | 144 | 21,765 | 7,586 | Apr 22, 2022, 01:17 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 24, 2022 | Sale | $251.15 | 670 | 168,270 | 7,514 | Mar 25, 2022, 01:57 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 23, 2022 | Option Exercise | $125.16 | 2,530 | 316,660 | 9,114 | Mar 25, 2022, 01:57 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Feb 17, 2022 | Option Exercise | $70.56 | 1,000 | 70,560 | 23,857 | Feb 22, 2022, 10:21 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Feb 15, 2022 | Sale | $176.64 | 10,384 | 1,834,276 | 28,049 | Feb 16, 2022, 02:10 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jan 03, 2022 | Option Exercise | $212.77 | 2,000 | 425,550 | 72,015 | Jan 04, 2022, 11:12 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Operations | Dec 14, 2021 | Option Exercise | $266.82 | 3,318 | 885,298 | 1,813 | Dec 15, 2021, 10:53 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Dec 10, 2021 | Option Exercise | $210.90 | 3,516 | 741,514 | 9,272 | Dec 10, 2021, 07:14 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Dec 02, 2021 | Option Exercise | $201.09 | 4,640 | 933,056 | 32,078 | Dec 06, 2021, 12:07 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Nov 17, 2021 | Option Exercise | $70.56 | 1,000 | 70,560 | 22,857 | Nov 18, 2021, 01:02 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Nov 15, 2021 | Sale | $202.56 | 10,384 | 2,103,374 | 27,049 | Nov 16, 2021, 11:47 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Nov 11, 2021 | Option Exercise | $207.45 | 2,000 | 414,900 | 8,514 | Nov 12, 2021, 11:20 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | KELLY DAVID M | Director | Nov 08, 2021 | Option Exercise | $191.29 | 36 | 6,886 | 2,618 | Nov 09, 2021, 10:44 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | DINOIA GREGORY | SVP Commercial | Nov 08, 2021 | Sale | $323.72 | 280 | 90,642 | 2,693 | Nov 09, 2021, 10:04 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Oct 20, 2021 | Sale | $203.82 | 4,000 | 815,280 | 9,514 | Oct 25, 2021, 09:54 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Oct 01, 2021 | Sale | $304.48 | 1,250 | 380,600 | 21,857 | Oct 04, 2021, 10:22 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Sep 10, 2021 | Sale | $179.95 | 2,800 | 503,874 | 8,914 | Sep 10, 2021, 07:23 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Sep 01, 2021 | Sale | $268.22 | 1,250 | 335,275 | 23,107 | Sep 01, 2021, 04:45 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | KELLY DAVID M | Director | Aug 31, 2021 | Sale | $267.29 | 603 | 161,176 | 2,600 | Sep 01, 2021, 10:57 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Aug 18, 2021 | Option Exercise | $70.56 | 1,000 | 70,560 | 24,357 | Aug 19, 2021, 10:58 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Aug 16, 2021 | Option Exercise | $180.93 | 10,384 | 1,878,777 | 28,549 | Aug 17, 2021, 06:53 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Aug 12, 2021 | Option Exercise | $182.43 | 2,000 | 364,860 | 8,514 | Aug 13, 2021, 01:49 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Aug 11, 2021 | Sale | $278.06 | 800 | 222,448 | 70,707 | Aug 12, 2021, 12:16 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Continuous Improvement | Aug 09, 2021 | Sale | $280.03 | 639 | 178,939 | 154 | Aug 12, 2021, 12:05 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Aug 02, 2021 | Sale | $290.47 | 1,250 | 363,088 | 23,049 | Aug 02, 2021, 05:34 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Jul 16, 2021 | Sale | $282.18 | 720 | 203,170 | 29,450 | Jul 19, 2021, 09:17 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jul 12, 2021 | Option Exercise | $184.23 | 2,000 | 368,470 | 8,514 | Jul 13, 2021, 12:02 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jul 01, 2021 | Sale | $267.44 | 1,250 | 334,300 | 24,299 | Jul 06, 2021, 10:48 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jun 16, 2021 | Sale | $262.27 | 505 | 132,446 | 71,507 | Jun 17, 2021, 01:01 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jun 16, 2021 | Sale | $255.67 | 2,119 | 541,765 | 7,514 | Jun 17, 2021, 12:50 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Jun 16, 2021 | Sale | $255.67 | 6,545 | 1,673,360 | 18,396 | Jun 17, 2021, 12:25 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | DINOIA GREGORY | SVP Commericial | Jun 16, 2021 | Sale | $255.67 | 1,211 | 309,616 | 2,973 | Jun 17, 2021, 12:16 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Continuous Improvement | Jun 16, 2021 | Sale | $257.06 | 1,336 | 343,430 | 1,608 | Jun 17, 2021, 12:06 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 08, 2021 | Option Exercise | $173.94 | 10,384 | 1,806,245 | 29,400 | Jun 09, 2021, 11:54 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Owens Gary M | President and CEO | Jun 07, 2021 | Sale | $264.00 | 1,350 | 356,400 | 8,513 | Jun 08, 2021, 11:12 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Jun 01, 2021 | Sale | $251.46 | 2,215 | 556,984 | 24,208 | Jun 04, 2021, 04:41 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | May 17, 2021 | Sale | $244.25 | 720 | 175,860 | 30,595 | May 18, 2021, 12:49 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | May 06, 2021 | Sale | $250.05 | 200 | 50,010 | 32,859 | May 07, 2021, 11:20 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | May 05, 2021 | Sale | $250.59 | 100 | 25,059 | 33,059 | May 07, 2021, 11:20 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Apr 16, 2021 | Sale | $253.77 | 720 | 182,714 | 31,315 | Apr 19, 2021, 10:52 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Apr 05, 2021 | Sale | $250.76 | 500 | 125,380 | 33,894 | Apr 12, 2021, 10:53 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Mar 16, 2021 | Sale | $269.48 | 720 | 194,026 | 32,035 | Mar 16, 2021, 07:57 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Mar 12, 2021 | Option Exercise | $165.02 | 5,000 | 825,080 | 6,850 | Mar 15, 2021, 09:50 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Continuous Improvement | Mar 11, 2021 | Option Exercise | $129.10 | 145 | 18,720 | 377 | Mar 11, 2021, 10:24 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Archbold Brian David | SVP Continuous Improvement | Mar 10, 2021 | Sale | $271.78 | 223 | 60,607 | 154 | Mar 11, 2021, 10:24 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Mar 01, 2021 | Sale | $273.94 | 1,250 | 342,425 | 57,958 | Mar 02, 2021, 10:43 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | DINOIA GREGORY | SVP Commericial | Feb 23, 2021 | Sale | $276.75 | 280 | 77,490 | 840 | Feb 24, 2021, 10:47 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | GUILLEMIN EVAN | Director | Feb 16, 2021 | Sale | $281.52 | 3,600 | 1,013,472 | 32,755 | Feb 17, 2021, 10:44 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Feb 10, 2021 | Sale | $278.23 | 1,750 | 486,903 | 71,717 | Feb 10, 2021, 07:24 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sullivan John James | Director | Feb 01, 2021 | Sale | $277.67 | 1,250 | 347,088 | 59,208 | Feb 01, 2021, 06:59 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Schmieder John Bradley | Director | Jan 12, 2021 | Sale | $285.23 | 477 | 136,055 | 73,467 | Jan 12, 2021, 10:27 AM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jan 08, 2021 | Option Exercise | $89.70 | 1,000 | 89,700 | 4,350 | Jan 11, 2021, 02:26 PM | |
| MLAB | MESA LABORATORIES INC /CO/ | Sakys John | CFO | Jan 06, 2021 | Sale | $189.85 | 32 | 6,075 | 3,366 | Jan 07, 2021, 11:40 AM |
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