Sunggyu Lee - Sep 1, 2025 Form 4 Insider Report for NORTHERN TECHNOLOGIES INTERNATIONAL CORP (NTIC)

Role
Director
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, 04:59 PM
Previous filing
Sep 4, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lee Sunggyu Director 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 0001302082

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding NTIC Common Stock 3.32K Sep 1, 2025 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 NTIC Stock Option (right to buy) Award $0 +16.3K $0.00 16.3K Sep 1, 2025 Common Stock 16.3K $7.42 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.