CHAO ALBERT (President & CEO) exercised options at WESTLAKE CORP
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 2/19/2026ACC: 0001193125-26-059211
DirectorOfficer10% Owner· President & CEO
Since Nov 2018
-5.09K
Net shares
Net seller
$503.6K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
16.55K acquired · 21.64K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+16.55K
Price / share
—
Trade value
—
% of position
2.6%
2/17/2026
627.72K→644.28K
Common Stock
Direct
Shares
−5.09K
Price / share
$98.95
Trade value
$503.56K
% of position
0.8%
2/18/2026
644.28K→639.19K
Total
Net shares
+11.47K
Net value
-$503.56K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +16.55K | — | — | 2.6% | 627.72K | 644.28K |
| Common Stock Direct | 2/18/2026 | F · Tax Withholding | −5.09K | $98.95 | $503.56K | 0.8% | 644.28K | 639.19K |
| Total | +11.47K | -$503.56K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
16.55K shares
Shares
−16.55K
Strike price
Held after
0.00
Exercisable
—
2/17/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Common Stock16.55K shares | 2/17/2026 | M · Option Exercise | −16.55K | — | 0.00 |