Evan Guillemin, Director at MESA LABORATORIES INC /CO (MLAB), bought 10,000 shares at $29.00 ($290K) on 2011-03-03, disclosed to the SEC on 2011-03-03.
Open-market purchase of $290k MLAB by Director. Below the thresholds we flag for high-conviction alerts (no C-suite role, rare reversal, cluster, or A-grade history).
Nothing distinguishes this filing.
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| MLAB | SELL | 2021-07-19 | $406K | — | Filing → |
| MLAB | SELL | 2021-06-16 | $369K | — | Filing → |
| MLAB | SELL | 2021-05-18 | $176K | — | Filing → |