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

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO (MLAB)
CIK: 0000724004
Period of Report: 2019-04-05

Reporting Person: BROOKS MICHAEL T (Director)

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-04-05	Non Qualified Stock Option	$142.4	H	360	Disposed	2024-04-02	Common Stock (360)	Direct
2019-04-04	Non Qualified Stock Option	$122.66	H	600	Disposed	2023-04-03	Common Stock (600)	Direct
2019-04-05	Non Qualified Stock Option	$97.78	H	400	Disposed	2022-04-01	Common Stock (400)	Direct
2019-04-05	Non Qualified Stock Option	$70.56	H	567	Disposed	2023-04-01	Common Stock (567)	Direct
2019-04-05	Non Qualified Stock Option	$58.51	H	52	Disposed	2022-10-02	Common Stock (52)	Direct
2019-04-05	Non Qualified Stock Option	$89.7	H	344	Disposed	2022-04-01	Common Stock (344)	Direct

F1: Options were canceled prior to vesting due to retirement from the Board of Directors on April 5, 2019

F2: 1/5 exercisable on each of the first five anniversary dates

F3: 1/7 exercisable on each of the first 7 anniversary dates