0001140361-12-020095.txt : 20120411 0001140361-12-020095.hdr.sgml : 20120411 20120411160617 ACCESSION NUMBER: 0001140361-12-020095 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120409 FILED AS OF DATE: 20120411 DATE AS OF CHANGE: 20120411 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: Buesinger Robert F. CENTRAL INDEX KEY: 0001488587 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 12754375 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD. CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0305 4 2012-04-09 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 Sr. Vice President, Vinyls Common Stock 2012-04-09 4 F 0 166 60.81 D 4349 D Common Stock 2012-04-09 4 F 0 4 60.82 D 4345 D Robert F. Buesinger by Richard C. Kroger POA 2012-04-11