MCCOLLUM MARK A 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: 0001215888-25-000005
+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
13.2%
8/9/2025
8.53K→9.66K
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 | — | — | 13.2% | 8.53K | 9.66K |
| 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 |