Company · CIK 0000724004 · SIC 3823 — Industrial Instruments For Measurement, Display, and Control · Nasdaq
MESA LABORATORIES INC /CO/ · MLAB
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 MForm 4 → | Aug 17, 7:40 pm EDT | Mark Christopher CaponeDirector | 2,784 | — | — | 6,213 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 7:32 pm EDT | Jennifer Sadie AlltoftDirector | 2,784 | — | — | 7,662 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:55 pm EDT | Shiraz Shabanali LadiwalaDirector | 3,810 | — | — | 12,333 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:46 pm EDT | Shannon HallDirector | 2,784 | — | — | 6,973 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:30 pm EDT | R Tony TripenyDirector | 2,784 | — | — | 9,082 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:01 pm EDT | John James SullivanDirector | 2,784 | — | — | 20,618 | — | |
| Aug 13, 2026 SForm 4 → | Aug 17, 12:18 pm EDT | John James SullivanDirector | 7,093 | $112.80 | $800,090 | 17,834 | −28.5% | |
| Aug 13, 2026 PForm 4 → | Aug 17, 11:49 am EDT | Siddhartha KadiaPresident and CEO | 7,093 | $112.80 | $800,090 | 7,093 | — | |
| Aug 13, 2026 PForm 4 → | Aug 17, 11:27 am EDT | R Tony TripenyDirector | 900 | $113.69 | $102,321 | 6,298 | +16.7% |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 AForm 4 → | Sep 11, 2:13 pm EDT | Mark Christopher CaponeDirector | 2,423 | — | — | 2,423 | — | |
| Sep 9, 2026 AForm 4 → | Sep 11, 2:09 pm EDT | Shiraz Shabanali LadiwalaDirector | 2,510 | — | — | 2,510 | — | |
| Sep 9, 2026 AForm 4 → | Sep 11, 1:57 pm EDT | Shannon HallDirector | 1,774 | — | — | 1,774 | — | |
| Sep 9, 2026 AForm 4 → | Sep 11, 1:42 pm EDT | John James SullivanDirector | 1,774 | — | — | 1,774 | — | |
| Sep 9, 2026 AForm 4 → | Sep 11, 1:34 pm EDT | R Tony TripenyDirector | 1,774 | — | — | 1,774 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 7:40 pm EDT | Mark Christopher CaponeDirector | 2,784 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 7:32 pm EDT | Jennifer Sadie AlltoftDirector | 2,784 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:55 pm EDT | Shiraz Shabanali LadiwalaDirector | 3,810 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:46 pm EDT | Shannon HallDirector | 2,784 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:30 pm EDT | R Tony TripenyDirector | 2,784 | — | — | 0 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:01 pm EDT | John James SullivanDirector | 2,784 | — | — | 0 | — |