CHAO CATHERINE T. exercised options at WESTLAKE CORP
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 8/11/2025ACC: 0001974884-25-000004
+2.17K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
3
Total transactions
3.30K acquired · 1.13K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
+1.13K
Price / share
—
Trade value
—
% of position
25.3%
8/9/2025
4.45K→5.58K
Total
Net shares
+1.13K
Net value
$0.00
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/9/2025 | M · Option Exercise | +1.13K | — | — | 25.3% | 4.45K | 5.58K |
| Total | +1.13K | $0.00 | ||||||
Derivative Transactions2
Restricted Stock Units
Direct
Converts to
Common Stock
2.17K shares
Shares
+2.17K
Strike price
Held after
2.17K
Exercisable
—
8/8/2025
Restricted Stock Units
Direct
Converts to
Common Stock
1.13K shares
Shares
−1.13K
Strike price
Held after
0.00
Exercisable
—
8/9/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock2.17K shares | 8/8/2025 | A · Award | +2.17K | — | 2.17K | |
| Restricted Stock Units Direct | Common Stock1.13K shares | 8/9/2025 | M · Option Exercise | −1.13K | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)1
Common Stock
IndirectShares owned19.42K
Total
19.42K indirect19.42K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 19.42K | Indirect |
| Total | 19.42K | 19.42K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported