0001140361-12-025755.txt : 20120516 0001140361-12-025755.hdr.sgml : 20120516 20120516160403 ACCESSION NUMBER: 0001140361-12-025755 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120514 FILED AS OF DATE: 20120516 DATE AS OF CHANGE: 20120516 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: BLAKELY ROBERT T CENTRAL INDEX KEY: 0001218020 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 12848852 MAIL ADDRESS: STREET 1: 910 TRAVIS ST STREET 2: STE 1900 CITY: HOUSTON STATE: TX ZIP: 77002 4 1 doc1.xml FORM 4 X0305 4 2012-05-14 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001218020 BLAKELY ROBERT T 2801 POST OAK BLVD. HOUSTON TX 77056 1 0 0 0 Common Stock 2012-05-14 4 M 0 957 20.825 A 10986 D Common Stock 2012-05-14 4 M 0 887 24.51 A 11873 D Common Stock 2012-05-14 4 M 0 480 27.125 A 12353 D Common Stock 2012-05-14 4 S 0 2324 57.10 D 10029 D Common Stock 27.125 2012-05-14 4 M 0 480 00 A 2011-08-17 2017-08-17 Common Stock 480 00 D Common Stock 20.825 2012-05-14 4 M 0 957 00 A 2011-08-15 2018-08-15 Common Stock 957 957 D Common Stock 24.51 2012-05-14 4 M 0 887 00 A 2011-08-20 2019-08-20 Common Stock 887 1775 D Robert T. Blakely by Richard C. Kroger 2012-05-16