Role
Director
Signature
/s/Matthew C Wolsfeld Attorney-in-fact
Stock symbol
NTIC
Transactions as of
May 6, 2025
Transactions value $
$7,953
Form type
4
Date filed
5/6/2025, 04:37 PM
Previous filing
Sep 4, 2024
Next filing
Sep 3, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
von Falkenhausen Konstantin Director C/O NORTHERN TECHNOLOGIES INT'L CORP., 4201 WOODLAND ROAD, PO BOX 69, CIRCLE PINES /s/Matthew C Wolsfeld Attorney-in-fact 2025-05-06 0001562252

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTIC Common Stock Purchase $7.95K +1.1K +6.43% $7.23 18.2K May 6, 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.