0001140361-11-026004.txt : 20110509 0001140361-11-026004.hdr.sgml : 20110509 20110509163908 ACCESSION NUMBER: 0001140361-11-026004 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110506 FILED AS OF DATE: 20110509 DATE AS OF CHANGE: 20110509 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CHEMICAL CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] IRS NUMBER: 760346924 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mangieri George J CENTRAL INDEX KEY: 0001298504 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 11823943 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD., SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0303 4 2011-05-06 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001298504 Mangieri George J 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 VP & Chief Accounting Officer Common Stock 2011-05-06 4 M 0 5128 14.235 A 30883 D Common Stock 2011-05-06 4 M 0 2307 20.525 A 33190 D Common Stock 2011-05-06 4 S 0 7035 60.262 D 26155 D Common Stock 2011-05-06 4 S 0 400 60.36 D 25755 D Employee Option (right to buy) 14.235 2011-05-06 4 A 0 5128 0 A 2011-02-13 2019-02-13 Common Stock 5128 5128 D Employee Option (right to buy) (Common Stock) 20.525 2011-05-06 4 A 0 2307 0 A 2011-02-26 2020-02-26 Common Stock 2307 4616 D George J. Mangieri by Richard Kroger PoA 2011-05-09