Masterson William F III 4
4 · CABOT CORP · Filed Dec 5, 2025
Insider Transaction Report
Form 4
CABOT CORPCBT
Masterson William F III
Senior Vice President
Transactions
- Award
Common Stock
2025-12-03+3,486→ 7,210 total - Award
Employee Stock Option (Right to Buy)
2025-12-03+12,767→ 12,767 totalExercise: $64.54Exp: 2035-12-02→ Common Stock (12,767 underlying)
Footnotes (1)
- [F1]The option vests over a three year period as follows: 30% on December 3, 2026, 30% on December 3, 2027 and 40% on December 3, 2028.