The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Sullivan John James since 2015.
This trader's CIK number is 1305784.
At the time of last reporting, Sullivan John James was the Director of Mesa Laboratories Inc /co/. (stock ticker symbol MLAB).
Also see all insider trading activities at Mesa Laboratories Inc /co/.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | MLAB | 0 | $0 | 0 | $0 | 1,404 | $0 |
| 2024 | MLAB | 0 | $0 | 0 | $0 | 1,074 | $0 |
| 2023 | MLAB | 0 | $0 | 0 | $0 | 784 | $0 |
| 2022 | MLAB | 0 | $0 | 10,384 | $2,425,597 | 31,778 | $2,739,174 |
| 2021 | MLAB | 0 | $0 | 25,126 | $7,007,063 | 18,885 | $1,636,278 |
| 2020 | MLAB | 0 | $0 | 13,478 | $3,593,788 | 13,069 | $743,609 |
| 2019 | MLAB | 0 | $0 | 0 | $0 | 180 | $0 |
| 2018 | MLAB | 0 | $0 | 16,000 | $2,916,240 | 16,000 | $427,392 |
| 2017 | MLAB | 0 | $0 | 15,000 | $1,867,446 | 24,000 | $447,286 |
| 2016 | MLAB | 0 | $0 | 4,000 | $486,520 | 5,000 | $94,900 |
| 2015 | MLAB | 0 | $0 | 2,400 | $271,176 | 13,675 | $612,751 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-08-15 | MLAB | Option Ex | 1,404 | .00 | 0 |
| 2024-09-01 | MLAB | Option Ex | 1,074 | .00 | 0 |
| 2023-08-15 | MLAB | Option Ex | 754 | .00 | 0 |
| 2023-06-16 | MLAB | Option Ex | 15 | .00 | 0 |
| 2023-06-15 | MLAB | Option Ex | 15 | .00 | 0 |
| 2022-09-01 | MLAB | Option Ex | 787 | .00 | 0 |
| 2022-07-05 | MLAB | Option Ex | 18,576 | 96.61 | 1,794,627 |
| 2022-06-15 | MLAB | Option Ex | 30 | .00 | 0 |
| 2022-06-09 | MLAB | Option Ex | 1,001 | 70.56 | 70,630 |
| 2022-06-07 | MLAB | Sale | 5,192 | 207.76 | 1,078,689 |
| 2022-06-07 | MLAB | Option Ex | 5,192 | 70.56 | 366,347 |
| 2022-02-17 | MLAB | Option Ex | 1,000 | 70.56 | 70,560 |
| 2022-02-15 | MLAB | Option Ex | 5,192 | 84.17 | 437,010 |
| 2022-02-15 | MLAB | Sale | 5,192 | 259.42 | 1,346,908 |
| 2021-11-17 | MLAB | Option Ex | 1,000 | 70.56 | 70,560 |
| 2021-11-15 | MLAB | Sale | 5,192 | 308.02 | 1,599,239 |
| 2021-11-15 | MLAB | Option Ex | 5,192 | 93.74 | 486,698 |
| 2021-10-01 | MLAB | Sale | 1,250 | 304.48 | 380,600 |
| 2021-09-01 | MLAB | Sale | 1,250 | 268.22 | 335,275 |
| 2021-08-18 | MLAB | Option Ex | 1,000 | 70.56 | 70,560 |
| 2021-08-16 | MLAB | Option Ex | 5,192 | 89.70 | 465,722 |
| 2021-08-16 | MLAB | Sale | 5,192 | 272.16 | 1,413,054 |
| 2021-08-15 | MLAB | Option Ex | 308 | .00 | 0 |
| 2021-08-02 | MLAB | Sale | 1,250 | 290.47 | 363,087 |
| 2021-07-01 | MLAB | Sale | 1,250 | 267.44 | 334,300 |
| 2021-06-10 | MLAB | Option Ex | 1,001 | 76.94 | 77,016 |
| 2021-06-08 | MLAB | Option Ex | 5,192 | 89.70 | 465,722 |
| 2021-06-08 | MLAB | Sale | 5,192 | 258.19 | 1,340,522 |
| 2021-05-05 | MLAB | Sale | 100 | 250.59 | 25,059 |
| 2021-05-06 | MLAB | Sale | 200 | 250.05 | 50,010 |
| 2021-04-05 | MLAB | Sale | 500 | 250.76 | 125,380 |
| 2021-03-01 | MLAB | Sale | 1,250 | 273.94 | 342,425 |
| 2021-02-01 | MLAB | Sale | 1,250 | 277.67 | 347,087 |
| 2021-01-04 | MLAB | Sale | 1,250 | 280.82 | 351,025 |
| 2020-12-01 | MLAB | Sale | 1,250 | 275.22 | 344,025 |
| 2020-11-15 | MLAB | Option Ex | 477 | .00 | 0 |
| 2020-11-11 | MLAB | Sale | 1,250 | 272.36 | 340,450 |
| 2020-06-15 | MLAB | Option Ex | 30 | .00 | 0 |
| 2020-02-26 | MLAB | Sale | 1,070 | 263.39 | 281,827 |
| 2020-02-25 | MLAB | Sale | 8,206 | 267.09 | 2,191,740 |
| 2020-02-26 | MLAB | Option Ex | 1,070 | 70.78 | 75,729 |
| 2020-02-25 | MLAB | Option Ex | 8,206 | 51.17 | 419,942 |
| 2020-02-27 | MLAB | Sale | 1,702 | 256.02 | 435,746 |
| 2020-02-27 | MLAB | Option Ex | 3,286 | 75.45 | 247,938 |
| 2019-11-07 | MLAB | Option Ex | 150 | .00 | 0 |
| 2019-06-15 | MLAB | Option Ex | 30 | .00 | 0 |
| 2018-06-15 | MLAB | Option Ex | 12,000 | 27.38 | 328,560 |
| 2018-06-15 | MLAB | Sale | 12,000 | 197.02 | 2,364,240 |
| 2018-02-16 | MLAB | Sale | 2,123 | 138.00 | 292,974 |
| 2018-02-15 | MLAB | Sale | 1,877 | 138.00 | 259,026 |
| 2018-02-16 | MLAB | Option Ex | 2,123 | 25.56 | 54,263 |
| 2018-02-15 | MLAB | Option Ex | 1,877 | 23.75 | 44,569 |
| 2017-05-10 | MLAB | Option Ex | 9,000 | 18.98 | 170,820 |
| 2017-02-21 | MLAB | Sale | 6,918 | 125.21 | 866,202 |
| 2017-02-17 | MLAB | Option Ex | 2,160 | 18.98 | 40,996 |
| 2017-02-17 | MLAB | Sale | 2,160 | 123.60 | 266,976 |
| 2017-02-21 | MLAB | Option Ex | 6,918 | 17.79 | 123,071 |
| 2017-02-13 | MLAB | Sale | 5,922 | 123.99 | 734,268 |
| 2017-02-13 | MLAB | Option Ex | 5,922 | 18.98 | 112,399 |
| 2016-06-22 | MLAB | Option Ex | 5,000 | 18.98 | 94,900 |
| 2016-06-22 | MLAB | Sale | 4,000 | 121.63 | 486,520 |
| 2015-11-05 | MLAB | Option Ex | 7,700 | 64.02 | 492,930 |
| 2015-11-06 | MLAB | Option Ex | 5,000 | 18.98 | 94,900 |
| 2015-11-06 | MLAB | Sale | 2,400 | 112.99 | 271,176 |
| 2015-03-24 | MLAB | Option Ex | 975 | 25.56 | 24,921 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Sullivan John James (Director of Mesa Laboratories Inc /co/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.