Bender Mark Steven — SEC Form 4 filings
SEC reporting owner CIK 1330417. 14 Form 4 filings on record with FilingPulse; latest filed 2026-05-14.
Transaction summary — filings shown
Covers all 14 filings on record, filed 2024-02-20 to 2026-05-14. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 6 legs across 5 filings — 48,430 shares, $5,702,594 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 35.
- Largest priced transaction: sale of 16,413 shares @ $112.53 ($1,847,037) in WESTLAKE CORP, filed 2026-03-30.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| WESTLAKE CORP (WLK) | EVP & CFO | 14 | — | 6 legs · 48,430 sh · $5,702,594 | 35 |
Form 4 filings — Bender Mark Steven
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-05-14 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 13,164 @ $0 · Tax withholding (F): 5,284 @ $97.34 · Option exercise (M): 13,164 (derivative) @ $0 | EDGAR |
| 2026-03-30 | 4 | WESTLAKE CORP (WLK) | Sale (S): 16,413 @ $112.53 | EDGAR |
| 2026-03-06 | 4/A | WESTLAKE CORP (WLK) | Tax withholding (F): 1,171 @ $104.96 | EDGAR |
| 2026-03-02 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 6,199 @ $65.81 · Option exercise (M): 6,494 @ $86.54 · Disposition to issuer (D): 12,693 @ $98.20 · Sale (S): 16,988 @ $100.91 · Sale (S): 421 @ $101.52 · Option exercise (M): 6,199 (derivative) @ $0 · +1 more | EDGAR |
| 2026-02-23 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 1,777 @ $0 · Tax withholding (F): 445 @ $94.10 · Grant/award (A): 28,389 (derivative) @ $0 · Grant/award (A): 7,747 (derivative) @ $0 | EDGAR |
| 2026-02-19 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 4,751 @ $0 · Tax withholding (F): 1,209 @ $98.95 · Option exercise (M): 4,751 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 8,819 @ $0 · Tax withholding (F): 3,530 @ $110.54 · Grant/award (A): 19,279 (derivative) @ $0 · Grant/award (A): 6,391 (derivative) @ $0 | EDGAR |
| 2025-02-20 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 13,987 @ $0 · Tax withholding (F): 4,264 @ $111.46 · Tax withholding (F): 50 @ $112.46 · Tax withholding (F): 132 @ $112.76 · Option exercise (M): 13,987 (derivative) @ $0 | EDGAR |
| 2024-08-15 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 2,938 @ $0 · Tax withholding (F): 1,156 @ $145.44 · Option exercise (M): 2,938 (derivative) @ $0 | EDGAR |
| 2024-05-06 | 4 | WESTLAKE CORP (WLK) | Sale (S): 4,950 @ $152.19 | EDGAR |
| 2024-03-07 | 4 | WESTLAKE CORP (WLK) | Sale (S): 4,804 @ $141.02 | EDGAR |
| 2024-02-28 | 4 | WESTLAKE CORP (WLK) | Sale (S): 4,854 @ $137.57 | EDGAR |
| 2024-02-21 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 11,150 @ $0 · Option exercise (M): 5,558 @ $0 · Tax withholding (F): 5,597 @ $129.92 · Tax withholding (F): 547 @ $138.68 · Option exercise (M): 5,558 (derivative) @ $0 | EDGAR |
| 2024-02-20 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 12,344 (derivative) @ $0 · Grant/award (A): 4,459 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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