Masterson William F III 4
4 · CABOT CORP · Filed Dec 16, 2025
Insider Transaction Report
Form 4
CABOT CORPCBT
Masterson William F III
Senior Vice President
Transactions
- Award
Phantom Stock Units
[F1][F2]2025-12-12$68.34/sh+1.909$130→ 291.837 total→ Common Stock (1.909 underlying)
Footnotes (2)
- [F1]1 for 1
- [F2]Represents dividends paid on phantom stock units acquired under the Corporation's Supplemental 401(k) Plan and are to be settled upon the reporting person's retirement or other termination of employment.
Signature
By: Jennifer Lombardi, pursuant to a power of attorney from William F. Masterson, III|2025-12-16