John Sakys - 09 Feb 2023 Form 4 Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role: CFO
Signature: John Sakys
Issuer symbol: MLAB
Transactions as of: 09 Feb 2023
Net transactions value: -$132,420
Form type: 4
Filing time: 09 Feb 2023, 19:04:55 UTC
Previous filing: 25 Jan 2023
Next filing: 09 Mar 2023
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	$51,850	+1,000	+10%	$51.85	10,696	09 Feb 2023	Direct
transaction	MLAB	Common Stock	Sale	$184,270	-1,000	-9.3%	$184.27	9,696	09 Feb 2023	Direct	F2
holding	MLAB	Common Stock						100	09 Feb 2023	Custodian	F3

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	-1,000	-3.6%	$0.000000	26,702	09 Feb 2023	Common Stock	1,000	$51.85	Direct	F1

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

Explanation of Responses:

Id	Content
F1	1/4 exercisable on each anniversary date of the 04/01/2013 grant date
F2	Sale reported on this Form 4 was effected pursuant to a Rule 10B5-1 trading plan adopted by the reporting person on June 14, 2022
F3	Consists of 100 shares held by children of which Mr. Sakys is custodian