Northern Technologies International Corp
NTIC- Exchange
- Nasdaq
- Industry
- Coating, Engraving & Allied Services
- SEC CIK
- 0000875582
In the last 90 days, Northern Technologies International Corp insiders filed 0 open-market purchases and 2 sales; 43 institutions reported holding it in 13F filings for Q2 2026, worth $24.3M in total; no superinvestor holds it.
Holders of 5% or more of NTIC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Northern Technologies International Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Needham Investment Management LLC | 13G/A | 6.80%640.0K shares | – | Nov 13, 20251 filing | Nov 13, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on Northern Technologies International Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 13, 20255:42 PM ET | Needham Investment Management LLCand 3 others | 13G/A | 6.80%640.0K shares | – | Sep 30, 2025 | SEC |
| Jul 29, 20252:14 PM ET | Vanguard Group Inc | 13G/A | 4.55%431.8K shares | –Below 5% | Jun 30, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Northern Technologies International Corp shares.
No Form 144 notices for Northern Technologies International Corp are on file.