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SEC Form 4 · accession 0000724004-26-000096

MESA LABORATORIES INC /CO/ · MLAB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Sep 9, 2026
Accepted (ET)
Sep 11, 2026 · 2:09 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

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock Units - 7F1,F2,F3—Sep 9, 2026A2,510A——Common Stock2,5102,510D

Explanation of responses