Form4insider filings, from the source

SEC Form 4 · accession 0001140361-18-009524

WESTLAKE CORP · WLK

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

Reporting owner
Albert Chao
Officer — President & CEO · Director · 10% Owner
Period of report
Feb 20, 2018
Accepted (ET)
Feb 22, 2018 · 9:30 am EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001262823

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Feb 20, 2018M13,585—A287,603D
Common StockFeb 21, 2018F5,202$106.98D282,401D
Common StockF3holding———92,010,554ITTWF LP & TTWFGP LLC

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF1,F2—Feb 20, 2018M13,585D——Common Stock13,5850D

Explanation of responses