Mark Steven Bender
CIK: 0001330417
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
WESTLAKE CORP
Discretionary Trading P&L
Holdings
Transaction History (23 total)
- May 13, 2026WLK
WESTLAKE CORP
Tax Payment(F)Direct5.3K shares at avg. $97.34$514K - May 12, 2026WLK
WESTLAKE CORP
Exercise(M)Direct13.2K shares- - Mar 27, 2026WLK
WESTLAKE CORP
Sale(S)Direct16.4K shares at avg. $112.53$1.8M - Feb 27, 2026WLK
WESTLAKE CORP
Exercise(M)Direct6.5K shares at avg. $86.54$562K - Feb 27, 2026WLK
WESTLAKE CORP
Disposition(D)Direct12.7K shares at avg. $98.20$1.2M - Feb 27, 2026WLK
WESTLAKE CORP
Sale(S)Direct17K shares at avg. $100.91$1.7M - Feb 27, 2026WLK
WESTLAKE CORP
Sale(S)Direct421 shares at avg. $101.52$43K - Feb 27, 2026WLK
WESTLAKE CORP
Exercise(M)Direct6.2K shares at avg. $65.81$408K - Feb 20, 2026WLK
WESTLAKE CORP
Award(A)DirectRestricted Stock Units
7.7K shares- - Feb 20, 2026WLK
WESTLAKE CORP
Tax Payment(F)Direct445 shares at avg. $94.10$42K - Feb 20, 2026WLK
WESTLAKE CORP
Award(A)DirectEmployee Option (right to buy)
28.4K shares- - Feb 19, 2026WLK
WESTLAKE CORP
Award(A)Direct1.8K shares- - Feb 18, 2026WLK
WESTLAKE CORP
Tax Payment(F)Direct1.2K shares at avg. $98.95$120K - Feb 17, 2026WLK
WESTLAKE CORP
Exercise(M)Direct4.8K shares- - Feb 21, 2025WLK
WESTLAKE CORP
Award(A)DirectRestricted Stock Units
6.4K shares- - Feb 21, 2025WLK
WESTLAKE CORP
Tax Payment(F)Direct3.5K shares at avg. $110.54$390K - Feb 21, 2025WLK
WESTLAKE CORP
Award(A)DirectEmployee Option (right to buy)
19.3K shares- - Feb 20, 2025WLK
WESTLAKE CORP
Award(A)Direct8.8K shares- - Feb 19, 2025WLK
WESTLAKE CORP
Tax Payment(F)Direct132 shares at avg. $112.76$15K - Feb 19, 2025WLK
WESTLAKE CORP
Tax Payment(F)Direct50 shares at avg. $112.46$6K - Feb 19, 2025WLK
WESTLAKE CORP
Tax Payment(F)Direct4.3K shares at avg. $111.46$475K - Feb 18, 2025WLK
WESTLAKE CORP
Exercise(M)Direct14K shares- - Feb 16, 2022WLK
WESTLAKE CORP
Tax Payment(F)Direct1.2K shares at avg. $104.96$123K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| May 13, 2026 | WLK WESTLAKE CORP | Tax Payment(F) | 5,284 | $97.34 | $514,345 | Direct |
| May 12, 2026 | WLK WESTLAKE CORP | Exercise(M) | 13,164 | - | $0 | Direct |
| Mar 27, 2026 | WLK WESTLAKE CORP | Sale(S) | 16,413 | $112.53 | $1,847,037 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Exercise(M) | 6,494 | $86.54 | $561,977 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Disposition(D) | 12,693 | $98.20 | $1,246,453 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Sale(S) | 16,988 | $100.91 | $1,714,259 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Sale(S) | 421 | $101.52 | $42,738 | Direct |
| Feb 27, 2026 | WLK WESTLAKE CORP | Exercise(M) | 6,199 | $65.81 | $407,972 | Direct |
| Feb 20, 2026 | WLK WESTLAKE CORP | Award(A) Restricted Stock Units | 7,747 | - | - | Direct |
| Feb 20, 2026 | WLK WESTLAKE CORP | Tax Payment(F) | 445 | $94.10 | $41,874 | Direct |
| Feb 20, 2026 | WLK WESTLAKE CORP | Award(A) Employee Option (right to buy) | 28,389 | - | - | Direct |
| Feb 19, 2026 | WLK WESTLAKE CORP | Award(A) | 1,777 | - | $0 | Direct |
| Feb 18, 2026 | WLK WESTLAKE CORP | Tax Payment(F) | 1,209 | $98.95 | $119,631 | Direct |
| Feb 17, 2026 | WLK WESTLAKE CORP | Exercise(M) | 4,751 | - | $0 | Direct |
| Feb 21, 2025 | WLK WESTLAKE CORP | Award(A) Restricted Stock Units | 6,391 | - | - | Direct |
| Feb 21, 2025 | WLK WESTLAKE CORP | Tax Payment(F) | 3,530 | $110.54 | $390,206 | Direct |
| Feb 21, 2025 | WLK WESTLAKE CORP | Award(A) Employee Option (right to buy) | 19,279 | - | - | Direct |
| Feb 20, 2025 | WLK WESTLAKE CORP | Award(A) | 8,819 | - | - | Direct |
| Feb 19, 2025 | WLK WESTLAKE CORP | Tax Payment(F) | 132 | $112.76 | $14,884 | Direct |
| Feb 19, 2025 | WLK WESTLAKE CORP | Tax Payment(F) | 50 | $112.46 | $5,623 | Direct |
| Feb 19, 2025 | WLK WESTLAKE CORP | Tax Payment(F) | 4,264 | $111.46 | $475,265 | Direct |
| Feb 18, 2025 | WLK WESTLAKE CORP | Exercise(M) | 13,987 | - | - | Direct |
| Feb 16, 2022 | WLK WESTLAKE CORP | Tax Payment(F) | 1,171 | $104.96 | $122,908 | Direct |
1-23 of 23 transactions
About Bender Mark Steven
Bender Mark Steven (SEC CIK 0001330417) files insider reports with the SEC as EVP & CFO of WESTLAKE CORP (WLK).
Signal8 holds 8 ownership filings by Bender Mark Steven, all Form 4s, filed between Feb 20, 2025 and May 14, 2026. Those filings report 23 transactions, from Feb 16, 2022 to May 13, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Bender Mark Steven's filings is in HOUSTON, TX.
Recent filings by Bender Mark Steven
- May 13, 2026: Tax withholding of WLK shares (Form 4, code F).
- May 12, 2026: Option exercise of WLK shares (Form 4, code M).
- Mar 27, 2026: Open-market sale of WLK shares (Form 4, code S).
- Feb 27, 2026: Option exercise of WLK shares (Form 4, code M).
- Feb 27, 2026: Disposition to issuer transaction of WLK shares (Form 4, code D).
Other insiders filing for WESTLAKE CORP (WLK)
- Darby Tommy, VP and CAO
- Sheets Jeffrey Wayne, Director
- Sabat Carolyn Chao, Director
- Patel Bhavesh V., Director
- NORTHCUTT R BRUCE, Director
- MCCOLLUM MARK A, Director