SEC Form 3 · accession 0002153871-26-000001
NORTHERN TECHNOLOGIES INTERNATIONAL CORP · NTIC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Gautam Ramdas
Officer — President and CEO
Period of report
Sep 4, 2026
Accepted (ET)
Sep 9, 2026 · 9:25 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0000875582
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | holding | — | — | — | 75,127 | 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 | $9.18 | holding | — | — | — | — | Aug 31, 2027 | Common Stock | 7,468 | — | D |
| Stock Option (right to buy)F1 | $18.23 | holding | — | — | — | — | Aug 31, 2028 | Common Stock | 16,638 | — | D |
| Stock Option (right to buy)F1 | $10.80 | holding | — | — | — | — | Aug 21, 2029 | Common Stock | 35,362 | — | D |
| Stock Option (right to buy)F1 | $8.24 | holding | — | — | — | — | Aug 31, 2030 | Common Stock | 45,720 | — | D |
| Stock Option (right to buy)F1 | $16.97 | holding | — | — | — | — | Aug 31, 2031 | Common Stock | 19,905 | — | D |
| Stock Option (right to buy)F1 | $11.38 | holding | — | — | — | — | Aug 31, 2032 | Common Stock | 28,649 | — | D |
| Stock Option (right to buy)F1 | $13.25 | holding | — | — | — | — | Aug 31, 2033 | Common Stock | 27,361 | — | D |
| Stock Option (right to buy)F2 | $13.26 | holding | — | — | — | — | Aug 31, 2034 | Common Stock | 27,434 | — | D |
| Stock Option (right to buy)F3 | $7.42 | holding | — | — | — | — | Aug 31, 2035 | Common Stock | 27,333 | — | D |
Explanation of responses
- F1This option has fully vested.
- F2This option has vested with respect to 18,288 shares and will vest with respect to the remaining shares on September 1, 2027.
- F3This option has vested with respect to 9,111 shares and will vest with respect to 9,111 shares on each of September 1, 2027 and September 1, 2028.