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% | |
| Jun 22, 2026 SForm 4 → | Jun 23, 1:34 pm EDT | Lyndsey Elizabeth CrennenCAO | 442 | $89.50 | $39,560 | 2,020 | −18.0% | |
| Jun 22, 2026 SForm 4 → | Jun 23, 1:02 pm EDT | Brian David ArchboldSVP Operations | 2,516 | $89.50 | $225,187 | 6,377 | −28.3% | |
| Jun 22, 2026 SForm 4 → | Jun 23, 12:23 pm EDT | John SakysCFO | 2,827 | $89.50 | $253,022 | 19,785 | −12.5% | |
| Jun 18, 2026 AMForm 4 → | Jun 23, 1:34 pm EDT | Lyndsey Elizabeth CrennenCAO | 989 | $95.10 | $94,054 | 2,462 | — | |
| Jun 18, 2026 AMForm 4 → | Jun 23, 1:02 pm EDT | Brian David ArchboldSVP Operations | 5,183 | $95.10 | $492,903 | 8,893 | — | |
| Jun 18, 2026 AMForm 4 → | Jun 23, 12:23 pm EDT | John SakysCFO | 6,074 | $95.10 | $577,637 | 22,612 | — | |
| Jun 16, 2026 SForm 4 → | Jun 17, 12:23 pm EDT | Brian David ArchboldSVP Operations | 1,151 | $101.27 | $116,558 | 3,710 | −23.7% | 10b5-1 |
| Jun 16, 2026 SForm 4 → | Jun 17, 12:19 pm EDT | Lyndsey Elizabeth CrennenCAO | 118 | $101.27 | $11,950 | 1,473 | −7.42% | 10b5-1 |
| Jun 16, 2026 SForm 4 → | Jun 17, 12:09 pm EDT | John SakysCFO | 1,223 | $101.27 | $123,850 | 16,538 | −6.89% | 10b5-1 |
| Jun 15, 2026 MForm 4 → | Jun 16, 2:44 pm EDT | Brian David ArchboldSVP Operations | 2,454 | $104.08 | $255,412 | 4,861 | — | |
| Jun 15, 2026 MForm 4 → | Jun 16, 2:15 pm EDT | John SakysCFO | 2,717 | $104.08 | $282,785 | 17,761 | — |