0001140361-13-031718.txt : 20130812 0001140361-13-031718.hdr.sgml : 20130812 20130812161303 ACCESSION NUMBER: 0001140361-13-031718 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130808 FILED AS OF DATE: 20130812 DATE AS OF CHANGE: 20130812 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CHEMICAL CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] IRS NUMBER: 760346924 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2801 POST OAK BLVD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 BUSINESS PHONE: 713-960-9111 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: Bender Mark Steven CENTRAL INDEX KEY: 0001330417 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 131029929 MAIL ADDRESS: STREET 1: 2801 POST OAK BOULEVARD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2013-08-08 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001330417 Bender Mark Steven 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 Sr VP, CFO and Treasurer Common Stock 2013-08-08 4 S 0 3000 101.0001 D 25615 D In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on August 8, 2013 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $101.00 to $101.01, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. Mark Steven Bender by Richard C. Kroger PoA 2013-08-12