LANIGAN MATTHEW 4
4 · NPK International Inc. · Filed Sep 4, 2025
Insider Transaction Report
Form 4
LANIGAN MATTHEW
DirectorPresident & CEO
Transactions
- Sale
Common Stock
2025-09-03$10.38/sh−1,000$10,380→ 1,095,913 total - Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2025-09-03$10.38/sh−1,000$10,380→ 0 totalExercise: $4.32From: 2019-06-01Exp: 2026-05-19→ Common Stock (1,000 underlying) - Exercise/Conversion
Common Stock
2025-09-03$4.32/sh+1,000$4,320→ 1,096,913 total
Footnotes (1)
- [F1]The reported sale of 1,000 shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 23, 2025.