Gary M. Owens - 31 Mar 2026 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Reporting relationship: President and CEO
Issuer ticker: MLAB
Reported as of: 31 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Apr 2026, 16:29:20 UTC
Prior SEC filing: 28 Oct 2025
Source filing: View source filing
Reporting owner signature: John Sakys under Power of Attorney by Gary Owens

Key filing fact

Gary M. Owens filed Form 4 for MESA LABORATORIES INC /CO/ (MLAB) on 02 Apr 2026.

Key facts

This page summarizes Gary M. Owens's Form 4 filing for MESA LABORATORIES INC /CO/ (MLAB).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Apr 2026, 16:29.

Change

Previous filing in this sequence was filed on 28 Oct 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001700671 Primary reporting owner

Owens Gary M

Relationship: President and CEO
Address: 12100 W. 6TH AVENUE, LAKEWOOD
Signature: John Sakys under Power of Attorney by Gary Owens
Signature date: 02 Apr 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MLAB transaction Derivative

Restricted Stock Unit - 10

Disposed to Issuer

Transaction value
Shares: -8,211
Change %: -33%
Price: $0.000000^*
Shares after: 16,448
Date: 31 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,211
Exercise price
Footnotes: F1, F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

Each RSU represents a contingent right to receive one share of the Issuer's common stock

Footnote F2

Forfeited shares were due to vest on June 15, 2028.

Footnote F3

Shares were deemed expired on March 31, 2026

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