NORTHERN TECHNOLOGIES INTERNATIONAL CORP
Recent Filings
All 750 filings →| Form | Description | Date |
|---|---|---|
| 8-K | FORM 8-K | Jan 16, 2026 |
| 10-Q | FORM 10-Q | Jan 8, 2026 |
| 8-K | FORM 8-K | Jan 8, 2026 |
| 8-K | FORM 8-K | Dec 19, 2025 |
| ARS | ARS | Dec 1, 2025 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | Dec 1, 2025 |
| DEFA14A | FORM DEFA14A | Dec 1, 2025 |
| 10-K | FORM 10-K | Nov 20, 2025 |
| 8-K | FORM 8-K | Nov 18, 2025 |
| SCHEDULE 13G/A | — | Nov 13, 2025 |
Insider Transactions
View all →| Insider | Title | Type | Shares | Owns After | Date |
|---|---|---|---|---|---|
| NIGON RICHARD | — | Award / Grant | 8,086 | 47,148 | Sep 1, 2025 |
| Kemp Sarah E. | — | Award / Grant | 6,739 | 16,270 | Sep 1, 2025 |
| Pinho Cristina Lucia Duarte | — | Award / Grant | 6,739 | 10,510 | Sep 1, 2025 |
| von Falkenhausen Konstantin | — | Purchase | 1,100 @ $7.23 | 18,219 | May 6, 2025 |
| Calderon Nancy E. | — | Purchase | 1,000 @ $7.45 | 7,954 | Apr 25, 2025 |
| Pinho Cristina Lucia Duarte | — | Award / Grant | 3,771 | 3,771 | Sep 1, 2024 |
| Kemp Sarah E. | — | Award / Grant | 3,771 | 9,531 | Sep 1, 2024 |
| Kemp Sarah E. | — | Purchase | 1,275 @ $15.70 | 5,760 | Apr 23, 2024 |
| Calderon Nancy E. | — | Purchase | 500 @ $13.17 | 3,062 | Aug 14, 2023 |
| Kemp Sarah E. | — | Purchase | 2,473 @ $12.13 | 4,485 | Apr 18, 2023 |