Bender Mark Steven
SEC insider (Form 3/4/5 filer). CIK 0001330417. EVP & CFO at WESTLAKE CORP (WLK). 23 reported Form 4/5 transactions since Sep 2024; latest on May 13, 2026. Located in HOUSTON, TX.
Companies Bender Mark Steven has filed insider reports for
- WESTLAKE CORP (WLK): Officer, EVP & CFO
Bender Mark Steven
CIK: 0001330417
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)3 (13.0%)
Position reduction
Option Exercises (M)5 (21.7%)
Derivative conversions
Awards (A)6 (26.1%)
Compensation grants
Other (G, F, J, C, D, …)9 (39.1%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
WLK
WESTLAKE CORP
Officer
Discretionary Trading P&L
Holdings
Transaction History (23 total)
- May 13, 2026WLK
WESTLAKE CORP
Tax PaymentDirect5.3K shares at avg. $97.34$514K - May 12, 2026WLK
WESTLAKE CORP
ExerciseDirect13.2K shares- - Mar 27, 2026WLK
WESTLAKE CORP
SaleDirect16.4K shares at avg. $112.53$1.8M - Feb 27, 2026WLK
WESTLAKE CORP
ExerciseDirect6.2K shares at avg. $65.81$408K - Feb 27, 2026WLK
WESTLAKE CORP
SaleDirect17K shares at avg. $100.91$1.7M - Feb 27, 2026WLK
WESTLAKE CORP
SaleDirect421 shares at avg. $101.52$43K - Feb 27, 2026WLK
WESTLAKE CORP
DispositionDirect12.7K shares at avg. $98.20$1.2M - Feb 27, 2026WLK
WESTLAKE CORP
ExerciseDirect6.5K shares at avg. $86.54$562K - Feb 20, 2026WLK
WESTLAKE CORP
Tax PaymentDirect445 shares at avg. $94.10$42K - Feb 20, 2026WLK
WESTLAKE CORP
AwardDirectEmployee Option (right to buy)
28.4K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 13, 2026 | WLK WESTLAKE CORP | Tax Payment | 5,284 | $97.34 | $514,345 | Direct |
| May 12, 2026 | WLK WESTLAKE CORP | Exercise | 13,164 | - | $0 | Direct |
| Mar 27, 2026 | WLK WESTLAKE CORP | Sale | 16,413 | $112.53 | $1,847,037 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Exercise | 6,199 | $65.81 | $407,972 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Sale | 16,988 | $100.91 | $1,714,259 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Sale | 421 | $101.52 | $42,738 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Disposition | 12,693 | $98.20 | $1,246,453 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Exercise | 6,494 | $86.54 | $561,977 | Direct |
| Feb 20, 2026 | WLK WESTLAKE CORP | Tax Payment | 445 | $94.10 | $41,874 | Direct |
| Feb 20, 2026 | WLK WESTLAKE CORP | Award Employee Option (right to buy) | 28,389 | - | - | Direct |
1-10 of 23 transactions