0001140361-15-033415.txt : 20150825 0001140361-15-033415.hdr.sgml : 20150825 20150825164425 ACCESSION NUMBER: 0001140361-15-033415 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150822 FILED AS OF DATE: 20150825 DATE AS OF CHANGE: 20150825 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: Graff Michael J CENTRAL INDEX KEY: 0001457009 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 151073513 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2015-08-22 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001457009 Graff Michael J 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 0 0 0 Common Stock 2015-08-22 4 M 0 357 A 943 D Common Stock 2015-08-23 4 M 0 586 A 1529 D Restricted Stock Units 2015-08-22 4 M 0 357 0 D Common Stock 357 714 D Restricted Stock Units 2015-08-23 4 M 0 586 0 D Common Stock 586 588 D Restricted stock units convert into Issuer's common stock on a one-for-one basis. On August 22, 2014, the reporting person was granted 1,071 restricted stock units vesting in three equal annual installments beginning on the first anniversary of the grant date. On August 23, 2013, the reporting person was granted 1,760 restricted stock units (such number takes into account the Issuer's two-for-one stock split on March 18, 2014) vesting in three equal annual installments beginning on the first anniversary of the grant date. Michael J. Graff by J. Iglesias POA 2015-08-25