NIGON RICHARD 4
4 · NORTHERN TECHNOLOGIES INTERNATIONAL CORP · Filed Jul 28, 2025
Insider Transaction Report
Form 4
NIGON RICHARD
Director
Transactions
- Exercise/Conversion
Common Stock
2025-07-24$7.43/sh+12,000$89,160→ 49,935 total - Exercise/Conversion
Stock Option (right to buy)
2025-07-24−12,000→ 0 totalExercise: $7.43Exp: 2025-08-31→ Common Stock (12,000 underlying) - Tax Payment
Common Stock
2025-07-24$8.20/sh−10,873$89,159→ 39,062 total
Footnotes (1)
- [F1]This option has fully vested.