John James Sullivan - 07 Jun 2022 Form 4/A - Amendment Insider Report for MESA LABORATORIES INC /CO/ (MLAB)

Role: Director
Signature: John Sakys under Power of Attorney by John Sullivan
Issuer symbol: MLAB
Transactions as of: 07 Jun 2022
Net transactions value: -$641,712
Form type: 4/A - Amendment
Filing time: 13 Jun 2022, 09:30:30 UTC
Date Of Original Report: 13 Jun 2022
Previous filing: 22 Feb 2022
Next filing: 16 Jun 2022
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	$366,348	+5,192	+22%	$70.56	29,049	07 Jun 2022	Direct
transaction	MLAB	Common Stock	Sale	$1,078,690	-5,192	-18%	$207.76	23,857	07 Jun 2022	Direct	F1
transaction	MLAB	Common Stock	Options Exercise	$70,631	+1,001	+4.2%	$70.56	24,858	09 Jun 2022	Direct
holding	MLAB	Common Stock						30,000	07 Jun 2022	By Trust	F2

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 Options	Exercise of in-the-money or at-the-money derivative security	$0	-5,192	-21%	$0.000000	20,027	07 Jun 2022	Common Stock	5,192	$70.56	Direct	F3
transaction	MLAB	Incentive Stock Option	Exercise of in-the-money or at-the-money derivative security	$0	-201	-1%	$0.000000	19,826	09 Jun 2022	Common Stock	201	$70.56	Direct	F3
transaction	MLAB	Non Qualified Stock Option	Exercise of in-the-money or at-the-money derivative security	$0	-800	-4%	$0.000000	19,026	09 Jun 2022	Common Stock	800	$70.56	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Sale reported on Form 4 was effected pursuant to a Rule 10B5-1 trading plan, adopted by the reporting person on February 25, 2021
F2	Represents gift of shares to a spousal lifetime access trust
F3	1/7 exercisable on each anniversary date of the 04/01/2015 grant date