0001140361-13-022564.txt : 20130523 0001140361-13-022564.hdr.sgml : 20130523 20130523175328 ACCESSION NUMBER: 0001140361-13-022564 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130521 FILED AS OF DATE: 20130523 DATE AS OF CHANGE: 20130523 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wallace Stephen CENTRAL INDEX KEY: 0001298645 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 13869606 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD., SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 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 4 1 doc1.xml FORM 4 X0306 4 2013-05-21 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001298645 Wallace Stephen 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 VP, General Counsel, Secretary Common Stock 2013-05-21 4 M 0 9092 19.29 A 34255 D Common Stock 2013-05-21 4 S 0 9092 94.017 D 25163 D Common Stock 200 I By Wife Employee Option (right to buy) 19.29 2013-05-21 4 M 0 9092 0 D 2011-02-15 2018-02-15 Common Stock 9092 0 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 May 21, 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 $93.920 to $94.125, 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. Stephen Wallace by Richard C. Kroger PoA 2013-05-23