0001140361-15-031651.txt : 20150813 0001140361-15-031651.hdr.sgml : 20150813 20150813160613 ACCESSION NUMBER: 0001140361-15-031651 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150811 FILED AS OF DATE: 20150813 DATE AS OF CHANGE: 20150813 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: BLAKELY ROBERT T CENTRAL INDEX KEY: 0001218020 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 151050725 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2015-08-11 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001218020 BLAKELY ROBERT T 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 0 0 0 Common Stock 2015-08-11 4 M 0 1776 12.255 A 16756 D Common Stock 2015-08-11 4 S 0 5143 63.00 D 11613 D Employee Option (right to buy) 12.255 2015-08-11 4 M 0 1776 0 D 2019-08-20 Common Stock 1776 0 D The stock options are exercisable in four installments of 25% each on August 20, 2010, 2011, 2012, and 2013, respectively. Robert T. Blakely by J. Iglesias POA 2015-08-13