10 insiders reported 52 Form 4 transactions for MESA LABORATORIES INC /CO/ (MLAB) over the past 18 months (most recent 2026-06-23). Recent activity: Sakys John (CFO) Buy 1,036 shares, Archbold Brian David (SVP Operations) Buy 1,859 shares, Crennen Lyndsey Elizabeth (CAO) Buy 125 shares, Sakys John (CFO) Buy 2,756 shares, Archbold Brian David (SVP Operations) Buy 2,480 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-23 | Sakys John | CFO | Buy | 1,036 | $98,524 |
| 2026-06-23 | Archbold Brian David | SVP Operations | Buy | 1,859 | $176,791 |
| 2026-06-23 | Crennen Lyndsey Elizabeth | CAO | Buy | 125 | $11,888 |
| 2026-06-23 | Sakys John | CFO | Buy | 2,756 | $262,096 |
| 2026-06-23 | Archbold Brian David | SVP Operations | Buy | 2,480 | $235,848 |
| 2026-06-23 | Crennen Lyndsey Elizabeth | CAO | Buy | 233 | $22,158 |
| 2026-06-23 | Sakys John | CFO | Buy | 2,282 | $217,018 |
| 2026-06-23 | Archbold Brian David | SVP Operations | Buy | 844 | $80,264 |
| 2026-06-23 | Crennen Lyndsey Elizabeth | CAO | Buy | 368 | $34,997 |
| 2026-06-23 | Sakys John | CFO | Sell | 2,827 | $253,022 |
| 2026-06-23 | Archbold Brian David | SVP Operations | Sell | 2,516 | $225,187 |
| 2026-06-23 | Crennen Lyndsey Elizabeth | CAO | Buy | 263 | $25,011 |
| 2026-06-23 | Crennen Lyndsey Elizabeth | CAO | Sell | 442 | $39,560 |
| 2026-06-17 | Sakys John | CFO | Sell | 1,223 | $123,850 |
| 2026-06-17 | Archbold Brian David | SVP Operations | Sell | 1,151 | $116,558 |
| 2026-06-17 | Crennen Lyndsey Elizabeth | CAO | Sell | 118 | $11,950 |
| 2026-06-16 | Archbold Brian David | SVP Operations | Buy | 2,454 | $255,412 |
| 2026-06-16 | Sakys John | CFO | Buy | 2,717 | $282,785 |
| 2026-03-10 | Tripeny R Tony | Director | Buy | 1,315 | $99,940 |
| 2026-03-10 | Capone Mark Christopher | Director | Buy | 1,301 | $99,331 |
| 2026-03-10 | Ladiwala Shiraz Shabanali | Director | Buy | 3,500 | $252,805 |
| 2025-12-05 | Sullivan John James | Director | Sell | 2,000 | $0 |
| 2025-10-28 | Owens Gary M | President and CEO | Buy | 11,558 | $0 |
| 2025-08-18 | Hall Shannon | Director | Buy | 1,404 | $0 |
| 2025-08-18 | Capone Mark Christopher | Director | Buy | 1,404 | $0 |
Source: SEC Form 4 filings · as of 2026-06-23