SEC Form 4 · accession 0001258563-26-000001
NORTHERN TECHNOLOGIES INTERNATIONAL CORP · NTIC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Matthew C Wolsfeld
Officer — CFO and Corporate Secretary
Period of report
Jul 1, 2026
Accepted (ET)
Jul 2, 2026 · 4:44 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000875582
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jul 1, 2026 | M | 11,879 | $6.70 | A | 180,135 | D | |
| Common Stock | Jul 1, 2026 | F | 9,169 | $8.68 | D | 170,966 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option (right to buy)F1 | $6.70 | Jul 1, 2026 | M | 11,879 | D | — | Aug 31, 2026 | Common Stock | 11,879 | 0 | D |
Explanation of responses
- F1This option has fully vested.