SEC Form 4 · accession 0000724004-26-000097
MESA LABORATORIES INC /CO/ · MLAB
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Christopher Capone
Director
Period of report
Sep 9, 2026
Accepted (ET)
Sep 11, 2026 · 2:13 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000724004
Table I — non-derivative securities
No Table I lines on this filing.
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock Units - 4F1,F2,F3 | — | Sep 9, 2026 | A | 2,423 | A | — | — | Common Stock | 2,423 | 2,423 | D |
Explanation of responses
- F1Each RSU represents a contingent right to receive one share of the Issuer's Common Stock
- F2RSUs that vest on September 9, 2027
- F3Not Applicable