WHITE DOUGLAS L 4
4 · NPK International Inc. · Filed Jun 3, 2025
Insider Transaction Report
Form 4
WHITE DOUGLAS L
VP, CAO & Treasurer
Transactions
- Exercise/Conversion
Common Stock
2025-06-01+14,667→ 320,228 total - Exercise/Conversion
Common Stock
2025-06-01+17,333→ 305,561 total - Tax Payment
Common Stock
2025-06-01$8.09/sh−3,122$25,257→ 317,106 total - Tax Payment
Common Stock
2025-06-01$8.09/sh−6,820$55,174→ 310,286 total - Tax Payment
Common Stock
2025-06-01$8.09/sh−5,771$46,687→ 304,515 total - Exercise/Conversion
Restricted Stock Units
2025-06-01−17,333→ 29,333 totalExercise: $0.00→ Common Stock (17,333 underlying) - Exercise/Conversion
Restricted Stock Units
2025-06-01−14,667→ 14,666 totalExercise: $0.00→ Common Stock (14,667 underlying)
Footnotes (3)
- [F1]Restricted stock units convert into common stock on a one-for-one basis.
- [F2]Represents shares withheld to satisfy tax withholding obligations upon the vesting of restricted stock units.
- [F3]Grant of restricted stock units that vest in one-third increments on June 1 of each subsequent year after grant and settle in shares.