G. Patrick Lynch - Sep 1, 2025 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Signature
/s/ Matthew C. Wolsfeld-Attorney-in-fact
Stock symbol
NTIC
Transactions as of
Sep 1, 2025
Transactions value $
$0
Form type
4
Date filed
9/3/2025, 07:02 PM
Previous filing
Sep 4, 2024

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LYNCH G PATRICK President and CEO, Director, 10%+ Owner C/O NORTHERN TECHNOLOGIES INT'L CORP., 4201 WOODLAND ROAD, PO BOX 69, CIRCLE PINES /s/ Matthew C. Wolsfeld-Attorney-in-fact 2025-09-03 0001258554

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding NTIC Common Stock 105K Sep 1, 2025 Direct
holding NTIC Common Stock 1.2M Sep 1, 2025 (1) 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) Award $0 +44.1K $0.00 44.1K Sep 1, 2025 Common Stock 44.1K $7.42 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares are held directly by Inter Alia Holding Company of which G. Patrick Lynch is an officer and stockholder. Mr. G. Patrick Lynch disclaims beneficial ownership of the shares held by Inter Alia Holding Company, except to the extent of his pecuniary interest therein.
F2 This option vests with respect to 14,684 shares on each of September 1, 2026 and September 1, 2027 and with respect to 14,683 shares on September 1, 2028.