David M. Kelly - 08 Nov 2021 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role: Director
Signature: John Sakys under Power of Attorney by David Kelly
Issuer symbol: MLAB
Transactions as of: 08 Nov 2021
Net transactions value: -$4,780
Form type: 4
Filing time: 09 Nov 2021, 09:44:57 UTC
Previous filing: 01 Sep 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MLAB	Common Stock	Options Exercise	$1,053	+18	+0.69%	$58.51	2,618	08 Nov 2021	Direct
transaction	MLAB	Common Stock	Sale	$5,833	-18	-0.69%	$324.07	2,600	08 Nov 2021	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MLAB	Non Qualified Stock Option	Exercise of in-the-money or at-the-money derivative security	$0	-18	-3.1%	$0.000000	569	08 Nov 2021	Common Stock	18	$58.51	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

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