Live feed15:16:14·97dINSIDERFilingvia QuantisnowAmendment: EVP & CFO Bender Mark Steven covered exercise/tax liability with 1,171 shares, decreasing direct ownership by 4% to 25,608 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.WLK· Westlake CorporationIndustrialsOriginal source