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

Apr 17, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO (MLAB)
CIK: 0000724004
Period of Report: 2019-04-16

Reporting Person: BROOKS MICHAEL T (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-04-16	Common Stock	M	400	$122.66	Acquired	32700	Direct
2019-04-17	Common Stock	M	90	$142.4	Acquired	32790	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-16	Non Qualified Stock Option	$122.66	X	400	Disposed	2019-05-05	Common Stock (400)	Direct
2019-04-16	Non Qualified Stock Option	$142.4	X	90	Disposed	2019-05-05	Common Stock (90)	Direct

Footnotes

F1: 1/5 exercisable on each of the first five anniversary dates

F2: Expiration Date was accelerated from April 3, 2023 to may 5, 2019 due to April 5, 2019 retirement from Board of Directors

F3: Expiration date was accelerated from April 2, 2024 to May 5, 2019 due to April 5, 2019 retirement from the Board of Directors