0001140361-12-028049.txt : 20120531 0001140361-12-028049.hdr.sgml : 20120531 20120531170121 ACCESSION NUMBER: 0001140361-12-028049 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120529 FILED AS OF DATE: 20120531 DATE AS OF CHANGE: 20120531 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: Chao James CENTRAL INDEX KEY: 0001299505 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 12880984 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD. CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0305 4 2012-05-29 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001299505 Chao James 2801 POST OAK BLVD. HOUSTON TX 77056 1 1 1 1 Chairman 10% Owner Common Stock 2012-05-29 4 M 0 70194 14.235 A 161102 D Common Stock 2012-05-29 4 S 0 4957 56.74 D 156145 D Common Stock 2012-05-29 4 S 0 1400 56.75 D 154745 D Common Stock 2012-05-29 4 S 0 1000 56.76 D 153745 D Common Stock 2012-05-29 4 S 0 3800 56.78 D 149945 D Common Stock 2012-05-29 4 S 0 8300 56.79 D 141645 D Common Stock 2012-05-29 4 S 0 5849 56.80 D 135796 D Common Stock 2012-05-29 4 S 0 3139 56.81 D 132657 D Common Stock 2012-05-29 4 S 0 1000 56.82 D 131657 D Common Stock 2012-05-29 4 S 0 903 56.83 D 130754 D Common Stock 2012-05-29 4 S 0 100 56.832 D 130654 D Common Stock 2012-05-29 4 S 0 462 56.84 D 130192 D Common Stock 2012-05-29 4 S 0 200 56.8401 D 129992 D Common Stock 2012-05-29 4 S 0 300 56.85 D 129692 D Common Stock 2012-05-29 4 S 0 366 56.86 D 129326 D Common Stock 2012-05-29 4 S 0 2079 56.87 D 127247 D Common Stock 2012-05-29 4 S 0 600 56.8725 D 126647 D Common Stock 2012-05-29 4 S 0 399 56.88 D 126248 D Common Stock 2012-05-29 4 S 0 204 56.90 D 126044 D Common Stock 2012-05-29 4 S 0 20 56.91 D 126024 D Common Stock 2012-05-29 4 S 0 2646 56.92 D 123378 D Common Stock 2012-05-29 4 S 0 100 56.925 D 123278 D Common Stock 2012-05-29 4 S 0 1120 56.93 D 122158 D Common Stock 2012-05-29 4 S 0 100 56.94 D 122058 D Common Stock 2012-05-29 4 S 0 498 56.95 D 121560 D Common Stock 2012-05-29 4 S 0 3540 56.96 D 118020 D Common Stock 2012-05-29 4 S 0 2178 56.97 D 115842 D Common Stock 20000 I By Mother Common Stock 120875 I By Brother Albert Chao Common Stock 46005277 I TTWF LP and TTWFGP LLC Trusts Employee Option (right to buy) 14.235 2012-05-29 4 M 0 70194 00 A 2011-02-13 2019-02-13 Common Stock 70194 35097 D Even though reporting person and reporting person's mother share a household, the reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Even though reporting person and reporting person's brother, Albert Chao, share a household, the reporting person disclaims beneficial ownership of these securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. 46,005,277 shares are held through TTWF LP, a Delaware limited partnership. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC, a Delaware limited liability company that is the general partner of TTWF LP. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person shares investment and voting power with respect to the shares beneficially owned by TTWF LP. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein. James Chao by Stephen Wallace POA 2012-05-31