MESA LABORATORIES INC /CO/ — Director's Dealing 2022

Aug 19, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2022-08-18

Reporting Person: GUILLEMIN EVAN (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-08-18	Common Stock	M	1320	$70.56	Acquired	31108	Direct
2022-08-18	Common Stock	M	1000	$122.66	Acquired	32108	Direct
2022-08-18	Common Stock	M	360	$142.4	Acquired	32468	Direct
2022-08-18	Common Stock	S	3692	$196.12	Disposed	28776	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-08-18	Non Qualified Stock Option	$70.56	X	1320	Disposed	2023-04-01	Common Stock (1320)	Direct
2022-08-18	Non Qualified Stock Option	$122.66	X	1000	Disposed	2023-04-03	Common Stock (1000)	Direct
2022-08-18	Non Qualified Stock Option	$142.4	X	360	Disposed	2024-04-02	Common Stock (360)	Direct

Footnotes

F1: 1/7 exercisable on each anniversary date of the 04-01-2015 grant date

F2: 1/5 exercisable on each anniversary date of the 04-03-2017 grant date

F3: 1/5 exercisable on each anniversary date of the 04-02-2018 grant date