BUESINGER ROBERT F. (EVP, PEM Segment Head) 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: 0001193125-26-059210
Officer· EVP, PEM Segment Head
Since Feb 2026
-903.00
Net shares
Net seller
$89.4K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
3.48K acquired · 4.38K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+3.48K
Price / share
—
Trade value
—
% of position
10.0%
2/17/2026
34.93K→38.41K
Common Stock
Direct
Shares
−903.00
Price / share
$98.95
Trade value
$89.35K
% of position
2.4%
2/18/2026
38.41K→37.51K
Total
Net shares
+2.58K
Net value
-$89.35K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 2/17/2026 | M · Option Exercise | +3.48K | — | — | 10.0% | 34.93K | 38.41K |
| Common Stock Direct | 2/18/2026 | F · Tax Withholding | −903.00 | $98.95 | $89.35K | 2.4% | 38.41K | 37.51K |
| Total | +2.58K | -$89.35K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Common Stock
3.48K shares
Shares
−3.48K
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 Stock3.48K shares | 2/17/2026 | M · Option Exercise | −3.48K | — | 0.00 |