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: 8/10/2026ACC: 0001193125-26-341996
0.00
Net shares
Net seller
$0.00
Total acquired
0
Open market trades
0B · 0S
2
Total transactions
2.17K acquired · 2.17K disposed
Non-Derivative Transactions1
Common Stock
Direct
Shares
+2.17K
Price / share
—
Trade value
—
% of position
38.9%
8/8/2026
5.58K→7.75K
Total
Net shares
+2.17K
Net value
$0.00
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 8/8/2026 | M · Option Exercise | +2.17K | — | — | 38.9% | 5.58K | 7.75K |
| Total | +2.17K | $0.00 | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
2.17K shares
Shares
−2.17K
Strike price
Held after
2.17K
Exercisable
—
8/8/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock2.17K shares | 8/8/2026 | M · Option Exercise | −2.17K | — | 2.17K |
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