Form4insider filings, from the source

SEC Form 4 · accession 0001140361-16-053913

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 15, 2016
Accepted (ET)
Feb 18, 2016 · 4:03 pm 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 15, 2016M14,246—A268,633D
Common StockFeb 17, 2016F3,931$43.52D264,702D
Common StockF3holding———40,000IBy Estate of Mother
Common StockF3holding———111,532IBy Brother James Chao
Common StockF4holding———92,010,554ITTWF LP & TTWFGP LLC

Table II — derivative securities

SecurityConv. / exercise priceDateCodeSharesA/DExercisableExpiresUnderlyingUnderlying sharesOwned afterD/I
Restricted Stock UnitsF1,F2—Feb 15, 2016M14,246D——Common Stock14,2460D

Explanation of responses