Evan Guillemin, Director at MESA LABORATORIES INC /CO (MLAB), bought 20,000 shares at $23.10 ($462K) on 2009-12-30, disclosed to the SEC on 2009-12-31.
Open-market purchase of $462k 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.
| Filing → |
| MLAB | SELL | 2021-07-19 | $406K | — | Filing → |
| MLAB | SELL | 2021-06-16 | $369K | — | Filing → |
| MLAB | SELL | 2021-05-18 | $176K | — | Filing → |