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

Mar 15, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (mlab)
CIK: 0000724004
Period of Report: 2021-03-12

Reporting Person: Sakys John (CFO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-12	Common Stock	M	500	$48.72	Acquired	4850	Direct
2021-03-12	Common Stock	M	2000	$70.56	Acquired	6850	Direct
2021-03-12	Common Stock	S	2500	$263.84	Disposed	4350	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-12	Non Qualified Stock Option	$48.72	X	500	Disposed	2022-10-29	Common Stock (500)	Direct
2021-03-12	Non Qualified Stock Option	$70.56	X	2000	Disposed	2023-04-01	Common Stock (2000)	Direct

Footnotes

F1: 1/4 exercisable on each anniversary date of the 10-29-12 grant date

F2: 1/7 exercisable on each anniversary date of the April 1, 2015 grant date