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

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2023-01-23

Reporting Person: Sakys John (CFO)

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-01-23	Common Stock	M	2100	$70.56	Acquired	11796	Direct
2023-01-23	Common Stock	S	2100	$210.19	Disposed	9696	Direct

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-01-23	Non Qualified Stock Option	$70.56	X	2100	Disposed	2023-04-01	Common Stock (2100)	Direct

Security	Shares	Ownership
Common Stock	100	Indirect

F1: 1/7 exercisable on each anniversary of the 04/01/2015 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 June 14, 2022

F3: Consists of 100 shares held by children of which Mr. Sakys is custodian