0001140361-12-035873.txt : 20120808 0001140361-12-035873.hdr.sgml : 20120808 20120808185553 ACCESSION NUMBER: 0001140361-12-035873 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120806 FILED AS OF DATE: 20120808 DATE AS OF CHANGE: 20120808 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: 121018076 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD. CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2012-08-06 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 2012-08-06 4 M 0 1478 27.235 A 5823 D Common Stock 2012-08-06 4 S 0 400 67.16 D 5423 D Common Stock 2012-08-06 4 S 0 1078 67.1601 D 4345 D Employee Option (right to buy) 27.235 2012-08-06 4 M 0 1478 00 A 2012-04-05 2020-04-05 Common Stock 1478 1478 D Robert F. Buesinger by Richard C. Kroger PoA 2012-08-08