John James Sullivan serves as Executive at MESA LABORATORIES INC /CO, where they oversee executive responsibilities. Since joining the company, John James Sullivan has executed 136 insider transactions totaling $23.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on May 13, 2021 involved gifting 6,436 shares valued at $0.
John James Sullivan currently holds 25,282 shares of MESA LABORATORIES INC /CO (MLAB), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John James Sullivan has been a net seller of MLAB stock. They have purchased $17.0K and sold $23.5M worth of shares.
John James Sullivan's most recent insider trade was on May 13, 2021, when they sold 6,436 shares at $0.00 per share.
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| $250.05 |
| Discretionary |
| May 5, 2021 | MLAB | $25.1K | Sale | 100 | $250.59 | Discretionary |
| May 4, 2021 | MLAB | $183.9K | Sale | 735 | $250.14 | Discretionary |
| Apr 5, 2021 | MLAB | $125.4K | Sale | 500 | $250.76 | Discretionary |
| Apr 5, 2021 | MLAB | $125.4K | Sale | 500 | $250.76 | Discretionary |
| Mar 26, 2021 | MLAB | $0 | Gift | 23,564 | $N/A | Discretionary |
| Mar 26, 2021 | MLAB | $0 | Gift | 23,564 | $N/A | Discretionary |
| Mar 1, 2021 | MLAB | $342.4K | Sale | 1,250 | $273.94 | Discretionary |
| Feb 1, 2021 | MLAB | $347.1K | Sale | 1,250 | $277.67 | Discretionary |
| Jan 4, 2021 | MLAB | $351.0K | Sale | 1,250 | $280.82 | Discretionary |
| Dec 1, 2020 | MLAB | $344.0K | Sale | 1,250 | $275.22 | Discretionary |
| Nov 15, 2020 | MLAB | $0 | Option Exercise | 477 | $N/A | Discretionary |
| Nov 11, 2020 | MLAB | $340.4K | Sale | 1,250 | $272.36 | Discretionary |
| Jun 15, 2020 | MLAB | $0 | Option Exercise | 30 | $N/A | Discretionary |
| Feb 27, 2020 | MLAB | $18.7K | Option Exercise | 208 | $89.70 | Discretionary |
| Feb 27, 2020 | MLAB | $56.4K | Option Exercise | 799 | $70.56 | Discretionary |
| Feb 27, 2020 | MLAB | $70.4K | Option Exercise | 785 | $89.70 | Discretionary |
| Feb 27, 2020 | MLAB | $77.5K | Option Exercise | 1,494 | $51.85 | Discretionary |
| Feb 27, 2020 | MLAB | $435.7K | Sale | 1,702 | $256.02 | Discretionary |
| Feb 26, 2020 | MLAB | $5.2K | Option Exercise | 100 | $51.85 | Discretionary |
| Feb 26, 2020 | MLAB | $87.0K | Option Exercise | 970 | $89.70 | Discretionary |
| Feb 26, 2020 | MLAB | $281.8K | Sale | 1,070 | $263.39 | Discretionary |
| Feb 25, 2020 | MLAB | $303.0K | Option Exercise | 6,000 | $50.50 | Discretionary |
| Feb 25, 2020 | MLAB | $114.4K | Option Exercise | 2,206 | $51.85 | Discretionary |
| Feb 25, 2020 | MLAB | $2.2M | Sale | 8,206 | $267.09 | Discretionary |
| Nov 7, 2019 | MLAB | $0 | Option Exercise | 150 | $N/A | Discretionary |
| Sep 6, 2019 | MLAB | $0 | Gift | 4,600 | $N/A | Discretionary |
| Sep 6, 2019 | MLAB | $0 | Gift | 4,600 | $N/A | Discretionary |
| Jun 15, 2019 | MLAB | $0 | Option Exercise | 30 | $N/A | Discretionary |