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

Jun 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MESA LABORATORIES INC /CO/ (MLAB)
CIK: 0000724004
Period of Report: 2021-06-15

Reporting Person: Archbold Brian David (VP of Continuous Improvement)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-15	Common Stock	M	70	—	Acquired	224	Direct
2021-06-15	Common Stock	M	277	—	Acquired	501	Direct
2021-06-15	Common Stock	M	419	—	Acquired	920	Direct
2021-06-15	Common Stock	F	351	$263.3	Disposed	569	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-06-15	Restricted Stock Units - 1	$	M	70	Disposed		Common Stock (70)	Direct
2021-06-15	Restricted Stock Unit - 2	$	M	277	Disposed		Common Stock (277)	Direct
2021-06-15	Restricted Stock Unit - 3	$	M	419	Disposed		Common Stock (0)	Direct

Footnotes

F1: Each Restricted Stock Unit represents a contingent right to receive one share of the Issuer's common stock

F2: Restricted Stock Units that vest 1/5 on June 15, 2019 and each of the next four anniversary dates

F3: Not Applicable

F4: Restricted Stock Units that vest 1/3 on June 15, 2021 and each of the next two anniversary dates

F5: Restricted Stock Units granted for 10% salary reduction for the twelve months ended May 31, 2021 and 60% of cash bonus target for Fiscal Year 2021.

F6: Represents shares of common stock received by Mesa Labs for tax withholding purposes in connection with the net-settlement on the issuance of shares of common stock in respect to the vested RSUs.