0001140361-11-043376.txt : 20110824 0001140361-11-043376.hdr.sgml : 20110824 20110824090108 ACCESSION NUMBER: 0001140361-11-043376 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110819 FILED AS OF DATE: 20110823 DATE AS OF CHANGE: 20110824 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: RILEY H JOHN JR CENTRAL INDEX KEY: 0001173593 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 111052467 MAIL ADDRESS: STREET 1: 600 TRAVIS STREET STREET 2: SUITE 5800 CITY: HOUSTON STATE: TX ZIP: 77002 4 1 doc1.xml FORM 4 X0304 4 2011-08-19 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001173593 RILEY H JOHN JR 2801 POST OAK BLVD. SUITE 600 HOUSTON TX 77056 1 0 0 0 Common Stock 2011-08-19 4 A 0 1804 00 A 7495 D The shares of restricted stock will vest in three equal installments on August 19, 2012, 2013 and 2014. John H. Riley Jr. by Richard Kroger PoA 2011-08-23