🕵️ Northern Technologies International Corp ($NTIC)
SEC insider & ownership activity, last 12 months · CIK 875582 · every row links its SEC filing
Over the last 12 months insiders sold $225K with no open-market buying against it. Lynch G. Patrick sold $129K in discretionary trades (Jul). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 2 sellers, $225K (3 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Lynch G. Patrick | 0 | – | 2 | $129K | Jul 30, 2026 |
| Nigon Richard | 0 | – | 1 | $96K | Jul 20, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Needham Investment Management L.L.C. | 8.1% | 13G | May 14, 2026 | filing ↗ | |
| Needham Asset Management, LLC | 8.1% | 13G | May 14, 2026 | filing ↗ | |
| Needham Aggressive Growth Fund | 8.1% | 13G | May 14, 2026 | filing ↗ | |
| George A. Needham | 8.1% | 13G | May 14, 2026 | filing ↗ | |
| Needham Investment Management L.L.C. | 6.8% | 13G | Nov 13, 2025 | filing ↗ | |
| Needham Asset Management, LLC | 6.8% | 13G | Nov 13, 2025 | filing ↗ | |
| Needham Aggressive Growth Fund | 6.8% | 13G | Nov 13, 2025 | filing ↗ | |
| George A. Needham | 6.8% | 13G | Nov 13, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Lynch G. Patrick | $129K | Jul 29, 2026 | filing ↗ |
| Nigon Richard | $96K | Jul 20, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Sep 4, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 4, 2026 | filing ↗ |
| Earnings (2.02) | Jul 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 9, 2026 | filing ↗ |
| Other events (8.01) | Apr 24, 2026 | filing ↗ |
| Earnings (2.02) | Apr 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 9, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jan 16, 2026 | filing ↗ |
| Earnings (2.02) | Jan 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 8, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 18, 2025 | filing ↗ |
| Earnings (2.02) | Nov 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 18, 2025 | filing ↗ |