MESA LABORATORIES INC /CO/ — Director's Dealing 2023

Sep 5, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2023-09-01

Reporting Person: Owens Gary M (President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-09-01	Common Stock	M	2000	$136.42	Acquired	32032	Direct
2023-09-01	Common Stock	S	2000	$142.82	Disposed	30032	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-09-01	Non Qualified Stock Options	$136.42	X	2000	Disposed	2023-09-01	Common Stock (2000)	Direct

Footnotes

F1: 1/5 exercisable on each anniversary date of the 09-01-2017 grant date

F2: Sale reported on this Form 4 was effected pursuant to a Rule 10B5-1 trading plan adopted by the reporting person on May 30, 2023