MESA LABORATORIES INC /CO/ — Director's Dealing 2021

Oct 25, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (mlab)
CIK: 0000724004
Period of Report: 2021-10-20

Reporting Person: Sakys John (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-10-20	Common Stock	M	2000	$97.78	Acquired	9514	Direct
2021-10-20	Common Stock	S	2000	$309.86	Disposed	7514	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-10-20	Non Qualified Stock Option	$97.78	X	2000	Disposed	2022-04-01	Common Stock (2000)	Direct

Footnotes

F1: 1/5 exercisable on each anniversary date of the 04-01-2016 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 March 1, 2021