Needham Investment Management Llc - Sep 30, 2025 SCHEDULE 13G/A Report for Northern Technologies International Corp. Common Stock, par value $0.02 per share (NTIC)

Filing Manager
Needham Investment Management Llc
Reporting Manager
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
Security
Northern Technologies International Corp. Common Stock, par value $0.02 per share
Symbol
NTIC
Shares outstanding
9.41M shares
Disclosed Ownership
640K shares
Ownership
6.8%
Form type
SCHEDULE 13G/A
Date filed
11/13/2025, 05:42 PM
Date of event
Sep 30, 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
NEEDHAM INVESTMENT MANAGEMENT L.L.C. 6.8% 640K 0 640K By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM ASSET MANAGEMENT, LLC 6.8% 640K 0 640K By: /s/ James W. Giangrasso James W. Giangrasso, Authorized Person
NEEDHAM AGGRESSIVE GROWTH FUND 6.8% 640K 0 640K By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
GEORGE A. NEEDHAM 6.8% 640K 0 640K By: /s/ George A. Needham George A. Needham