MESA LABORATORIES INC /CO/ — Director's Dealing 2025

Jun 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2025-06-15

Reporting Person: Owens Gary M (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-15	Common Stock	M	2324	—	Acquired	43337	Direct
2025-06-15	Common Stock	M	2102	—	Acquired	47763	Direct
2025-06-16	Common Stock	S	1939	$97.118	Disposed	45824	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-06-15	Restricted Stock Units - 7	$	M	2324	Disposed		Common Stock (2324)	Direct

Footnotes

F1: Each RSU represents a contingent right to receive one share of the Issuer's common stock

F2: RSUs that vested 1/3 on June 15, 2023 and each of the next two anniversary dates

F3: Not Applicable

F4: Shares represent common stock of Mesa Labs issued upon release of performance share units issued under the FY23 performance share unit program

F5: Shares sold to cover income tax obligations related to vested shares