MESA LABORATORIES INC /CO/ — Director's Dealing 2019

Feb 7, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO (MLAB)
CIK: 0000724004
Period of Report: 2019-02-06

Reporting Person: KELLY DAVID M (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-06	Common Stock	M	1000	$50.5	Acquired	3900	Direct
2019-02-06	Common Stock	M	1000	$51.85	Acquired	4900	Direct
2019-02-06	Common Stock	S	2000	$229.62	Disposed	2900	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-06	Non Qualified Stock Option	$50.5	X	1000	Disposed	2022-04-02	Common Stock (1000)	Direct
2019-02-06	Non Qualified Stock Option	$51.85	X	1000	Disposed	2023-04-01	Common Stock (1000)	Direct

Footnotes

F1: 1/4 exercisable on each anniversary date starting with April 2, 2013

F2: 1/4 exercisable on each anniversary date starting with April 1, 2014