Chao Albert — SEC Form 4 filings
SEC reporting owner CIK 1299403. 9 Form 4 filings on record with FilingPulse; latest filed 2026-08-11.
Transaction summary — filings shown
Covers all 9 filings on record, filed 2024-02-20 to 2026-08-11. 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): 5 legs across 2 filings — 79,709 shares, $6,125,148 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 31.
- Largest priced transaction: sale of 31,384 shares @ $80.42 ($2,523,901) in WESTLAKE CORP, filed 2026-08-11.
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) | Executive Chairman, Director | 9 | — | 5 legs · 79,709 sh · $6,125,148 | 31 |
Form 4 filings — Chao Albert
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-11 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 38,873 @ $61.87 · Sale (S): 7,489 @ $79.70 · Sale (S): 31,384 @ $80.42 · Option exercise (M): 38,873 (derivative) @ $0 | EDGAR |
| 2026-02-23 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 6,193 @ $0 · Tax withholding (F): 2,501 @ $94.10 · Grant/award (A): 54,763 (derivative) @ $0 · Grant/award (A): 14,945 (derivative) @ $0 | EDGAR |
| 2026-02-19 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 16,555 @ $0 · Tax withholding (F): 5,089 @ $98.95 · Option exercise (M): 16,555 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 81,673 @ $44.42 · Sale (S): 9,711 @ $72.82 · Sale (S): 30,604 @ $73.80 · Sale (S): 521 @ $74.44 · Option exercise (M): 81,673 (derivative) @ $0 | EDGAR |
| 2025-02-24 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 33,456 @ $0 · Tax withholding (F): 13,390 @ $110.54 · Grant/award (A): 37,172 (derivative) @ $0 · Grant/award (A): 12,322 (derivative) @ $0 | EDGAR |
| 2025-02-20 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 17,972 @ $0 · Tax withholding (F): 5,820 @ $111.46 · Tax withholding (F): 249 @ $112.73 · Option exercise (M): 17,972 (derivative) @ $0 | EDGAR |
| 2024-08-19 | 4 | WESTLAKE CORP (WLK) | Option exercise (M): 45,298 @ $68.09 · Disposition to issuer (D): 45,291 @ $146.61 · Disposition to issuer (D): 7 @ $147.04 · Option exercise (M): 45,298 (derivative) @ $0 | EDGAR |
| 2024-02-21 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 39,738 @ $0 · Option exercise (M): 19,810 @ $0 · Tax withholding (F): 22,561 @ $129.92 · Tax withholding (F): 12 @ $135.43 · Tax withholding (F): 2,207 @ $137.37 · Option exercise (M): 19,810 (derivative) @ $0 | EDGAR |
| 2024-02-20 | 4 | WESTLAKE CORP (WLK) | Grant/award (A): 44,324 (derivative) @ $0 · Grant/award (A): 16,010 (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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