0001140361-12-010057.txt : 20120222 0001140361-12-010057.hdr.sgml : 20120222 20120222160932 ACCESSION NUMBER: 0001140361-12-010057 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120217 FILED AS OF DATE: 20120222 DATE AS OF CHANGE: 20120222 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: Bender Mark Steven CENTRAL INDEX KEY: 0001330417 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 12630387 MAIL ADDRESS: STREET 1: 2801 POST OAK BOULEVARD STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0304 4 2012-02-17 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001330417 Bender Mark Steven 2801 POST OAK BLVD. HOUSTON TX 77056 0 1 0 0 Sr V P, CFO & Treasurer Common Stock 2011-02-25 4 M 0 7767 19.290 A 68148 D Common Stock 2011-02-25 4 S 0 2000 46.68 D 66148 D Common Stock 2011-02-25 4 S 0 2000 46.67 D 64148 D Common Stock 2011-02-25 4 S 0 160 46.58 D 63988 D Common Stock 2011-02-25 4 S 0 2800 46.53 D 61188 D Common Stock 2011-02-25 4 S 0 3000 46.52 D 58188 D Common Stock 2011-02-25 4 S 0 429 46.50 D 57759 D Common Stock 2011-02-25 4 S 0 1100 46.49 D 56659 D Common Stock 2011-02-25 4 S 0 200 46.48 D 56459 D Common Stock 2011-02-25 4 S 0 200 46.47 D 56259 D Common Stock 2011-02-25 4 S 0 451 46.46 D 55808 D Common Stock 2011-02-25 4 S 0 2317 46.45 D 53491 D Common Stock 2011-02-25 4 S 0 1099 46.44 D 52392 D Common Stock 2011-02-25 4 S 0 600 46.43 D 51792 D Common Stock 2011-02-25 4 S 0 5145 46.41 D 46647 D Common Stock 2011-02-25 4 S 0 300 46.40 D 46347 D Common Stock 2011-02-25 4 S 0 2949 46.39 D 43398 D Common Stock 2011-02-25 4 S 0 200 46.38 D 43198 D Common Stock 2011-02-25 4 S 0 100 46.37 D 43098 D Common Stock 2011-02-25 4 S 0 883 46.35 D 42215 D Common Stock 2011-02-25 4 S 0 500 46.34 D 41715 D Common Stock 2011-02-25 4 S 0 1400 46.31 A 40315 D Employee Option (right to buy) 14.235 2011-02-25 4 M 0 20066 0 D 2011-02-13 2019-02-13 Common Stock 20066 10034 D Employee Option (right to buy) 19.290 2011-02-25 4 M 0 7767 0 D 2011-02-15 2018-02-15 Common Stock 7767 0 D Mark Steven Bender by Richard Kroger PoA 2011-02-28