Reporting Manager
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
Symbol
NTIC
Shares outstanding
9,411,765 shares
Disclosed Ownership
640,000 shares
Ownership
6.8%
Form type
SCHEDULE 13G/A
Filing time
13 Nov 2025, 17:42:33 UTC
Date of event
30 Sep 2025

Quoteable Key Fact

"NEEDHAM INVESTMENT MANAGEMENT LLC disclosed 6.8% ownership in Northern Technologies International Corp. Common Stock, par value $0.02 per share (NTIC) on 30 Sep 2025."

Quick Takeaways

  • NEEDHAM INVESTMENT MANAGEMENT LLC filed SCHEDULE 13G/A for Northern Technologies International Corp. Common Stock, par value $0.02 per share (NTIC).
  • Disclosed ownership: 6.8%.
  • Date of event: 30 Sep 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 13 Nov 2025, 17:42.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
NEEDHAM INVESTMENT MANAGEMENT L.L.C. 6.8% 640,000 0 640,000 By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM ASSET MANAGEMENT, LLC 6.8% 640,000 0 640,000 By: /s/ James W. Giangrasso James W. Giangrasso, Authorized Person
NEEDHAM AGGRESSIVE GROWTH FUND 6.8% 640,000 0 640,000 By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
GEORGE A. NEEDHAM 6.8% 640,000 0 640,000 By: /s/ George A. Needham George A. Needham
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