Chao Catherine T. 4
4 · WESTLAKE CORP · Filed Aug 11, 2025
Insider Transaction Report
Form 4
Chao Catherine T.
Director
Transactions
- Exercise/Conversion
Common Stock
2025-08-09+1,128→ 5,580 total - Exercise/Conversion
Restricted Stock Units
2025-08-09−1,128→ 0 total→ Common Stock (1,128 underlying) - Award
Restricted Stock Units
2025-08-08+2,168→ 2,168 total→ Common Stock (2,168 underlying)
Holdings
- 19,423(indirect: By Trust)
Common Stock
Footnotes (4)
- [F1]Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
- [F2]These shares are held in a trust for the benefit of the reporting person, who also serves as sole trustee.
- [F3]All of the restricted stock units will vest on August 8, 2026.
- [F4]On August 9, 2024 the reporting person was granted 1,128 restricted stock units vesting on the first anniversary of the grant date.