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

Jun 11, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2021-06-10

Reporting Person: Sullivan John James (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-10	Common Stock	M	315	$89.7	Acquired	24523	Direct
2021-06-10	Common Stock	M	400	$70.56	Acquired	24923	Direct
2021-06-10	Common Stock	M	286	$70.56	Acquired	25209	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-10	Incentive Stock Option	$89.7	X	315	Disposed	2022-04-01	Common Stock (315)	Direct
2021-06-10	Incentive Stock Option	$70.56	X	400	Disposed	2023-04-01	Common Stock (400)	Direct
2021-06-10	Non Qualified Stock Option	$70.56	X	286	Disposed	2023-04-01	Common Stock (286)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	30000	Indirect

Footnotes

F1: 1/7 exercisable on each anniversary date of the 04-01-2014 grant date

F2: 1/7 exercisable on each anniversary date of the 04/01/2015 grant date

F3: Represents gift of shares to a spousal lifetime access trust