Insider · CIK 0001305784
John James Sullivan
Files at: MLAB. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 15, 2026 MForm 4 → | Aug 17, 5:01 pm EDT | MESA LABORATORIES INC /CO/MLAB | 2,784 | — | — | 20,618 | — | |
| Aug 13, 2026 SForm 4 → | Aug 17, 12:18 pm EDT | MESA LABORATORIES INC /CO/MLAB | 7,093 | $112.80 | $800,090 | 17,834 | −28.5% |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 9, 2026 AForm 4 → | Sep 11, 1:42 pm EDT | MESA LABORATORIES INC /CO/MLAB | 1,774 | — | — | 1,774 | — | |
| Aug 15, 2026 MForm 4 → | Aug 17, 5:01 pm EDT | MESA LABORATORIES INC /CO/MLAB | 2,784 | — | — | 0 | — |