Matthew C. Wolsfeld - 04 Oct 2022 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Role: CFO and Corporate Secretary
Signature: /s/ Matthew C. Wolsfeld - Attorney-in-fact
Issuer symbol: NTIC
Transactions as of: 04 Oct 2022
Net transactions value: +$2.87
Form type: 4
Filing time: 06 Oct 2022, 17:24:47 UTC
Previous filing: 06 Sep 2022
Next filing: 12 Jul 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NTIC	Common Stock	Options Exercise	$139,492	+27,218	+20%	$5.12	161,813	04 Oct 2022	Direct	F1
transaction	NTIC	Common Stock	Tax liability	$139,489	-10,086	-6.2%	$13.83	151,727	04 Oct 2022	Direct	F1

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	NTIC	Stock Option (right to buy)	Options Exercise	$0	-27,218	-100%	$0.000000^*	0	04 Oct 2022	Common Stock	27,218	$5.12	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Includes 60 shares that were purchased under the Northern Technologies International Employee Stock Purchase Plan.
F2	This option has fully vested.