Form4insider filings, from the source

SEC Form 4 · accession 0001193125-26-342001

WESTLAKE CORP · WLK

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Period of report
Aug 8, 2026
Accepted (ET)
Aug 10, 2026 · 1:51 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001262823

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Aug 8, 2026M2,168—A23,310D

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF1,F2—Aug 8, 2026M2,168D——Common Stock2,1682,168D

Explanation of responses