0001140361-12-011486.txt : 20120228 0001140361-12-011486.hdr.sgml : 20120228 20120228164101 ACCESSION NUMBER: 0001140361-12-011486 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120224 FILED AS OF DATE: 20120228 DATE AS OF CHANGE: 20120228 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: Bender Mark Steven CENTRAL INDEX KEY: 0001330417 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 12647861 MAIL ADDRESS: STREET 1: 2801 POST OAK BOULEVARD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0304 4 2012-02-24 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001330417 Bender Mark Steven 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 Sr VP, CFO and Treasurer Common Stock 2012-02-24 4 F 0 2889 57.50 D 36292 D Common Stock 2012-02-24 4 F 0 11 57.78 D 36281 D Mark Steven Bender by Richard C. Kroger PoA 2012-02-28