0001140361-13-030389.txt : 20130805 0001140361-13-030389.hdr.sgml : 20130805 20130805165254 ACCESSION NUMBER: 0001140361-13-030389 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130801 FILED AS OF DATE: 20130805 DATE AS OF CHANGE: 20130805 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: LUKENS MAX L CENTRAL INDEX KEY: 0001040101 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 131010790 MAIL ADDRESS: STREET 1: 4 GREENWAY PLAZA STREET 2: PO BOX 2765 77252-2765 CITY: HOUSTON STATE: TX ZIP: 77046 4 1 doc1.xml FORM 4 X0306 4 2013-08-01 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001040101 LUKENS MAX L 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 VP, General Counsel, Secretary Common Stock 2013-08-01 4 M 0 8935 20.525 A 34098 D Common Stock 2013-08-01 4 M 0 1261 60.105 A 35359 D Common Stock 2013-08-01 4 M 0 2590 45.83 A 37949 D Common Stock 2013-08-01 4 S 0 12786 105.7149 D 25163 D Common Stock 200 I By Wife Employee Option (right to buy) 20.525 2013-08-01 4 M 0 8935 0 D 2013-02-26 2020-02-26 Common Stock 8935 0 D Employee Option (right to buy) 60.105 2013-08-01 4 M 0 1261 0 D 2013-02-17 2022-02-17 Common Stock 1261 0 D Employee Option (right to buy) 45.83 2013-08-01 4 M 0 2590 0 D 2013-02-18 2021-02-18 Common Stock 2590 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 August 1, 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 $105.6000 to $105.9050, 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 2013-08-05