0001140361-11-015734.txt : 20110310 0001140361-11-015734.hdr.sgml : 20110310 20110310160700 ACCESSION NUMBER: 0001140361-11-015734 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110309 FILED AS OF DATE: 20110310 DATE AS OF CHANGE: 20110310 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: Wallace Stephen CENTRAL INDEX KEY: 0001298645 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 11678580 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD., SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0303 4 2011-03-09 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001298645 Wallace Stephen 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 VP, General Counsel, Secretary Common Stock 2011-03-09 4 M 0 1388 36.10 A 29219 D Common Stock 2011-03-09 4 S 0 1388 50.09 D 27831 D Common Stock 200 I By Wife Employee Option (right to buy) 36.10 2011-03-09 4 M 0 1388 0 A 2010-03-15 2016-03-15 Common Stock 1388 0 D Stephen Wallace by Richard Kroger PoA 2011-03-10