MLAB · ISSUER CIK 724004
MESA LABORATORIES INC /CO/
Between Aug 1, 2026 and Oct 29, 2026, 7 MESA LABORATORIES INC /CO/ insiders reported $902K of open-market purchases and $800K of sales on SEC Form 4. The largest buyer was Kadia Siddhartha (President and CEO), with $800K.
↗7 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 0 of 1 sales were reported under a 10b5-1 plan.
$902KInsider buying
$800KInsider selling
+$102KNet open-market
Oct 29, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 29, 202618:35 | Oct 13, 2026 | MLAB | Director | G · GiftLate 16d | — | −1,200 | 19,418 | -6% | — | ||
| Aug 17, 202619:40 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +2,784 | 6,213 | +81% | — | ||
| Aug 17, 202619:32 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +2,784 | 7,662 | +57% | — | ||
| Aug 17, 202617:55 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +3,810 | 12,333 | +45% | — | ||
| Aug 17, 202617:46 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +2,784 | 6,973 | +66% | — | ||
| Aug 17, 202617:30 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +2,784 | 9,082 | +44% | — | ||
| Aug 17, 202617:01 | Aug 15, 2026 | MLAB | Director | M · Exercise | — | +2,784 | 20,618 | +16% | — | ||
| Aug 17, 202612:18 | Aug 13, 2026 | MLAB | Director | S · Sell | $112.80 | −7,093 | 17,834 | -28% | −$800K | ||
| Aug 17, 202611:49 | Aug 13, 2026 | MLAB | President and CEO | P · Buy | $112.80 | +7,093 | 7,093 | New | +$800K | 0.0% | +17.9% |
| Aug 17, 202611:27 | Aug 13, 2026 | MLAB | Director | P · Buy | $113.69 | +900 | 6,298 | +17% | +$102K | +0.8% | +17.0% |