0001140361-16-086416.txt : 20161114 0001140361-16-086416.hdr.sgml : 20161111 20161114161243 ACCESSION NUMBER: 0001140361-16-086416 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20161110 FILED AS OF DATE: 20161114 DATE AS OF CHANGE: 20161114 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: Buesinger Robert F. CENTRAL INDEX KEY: 0001488587 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 161994915 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2016-11-10 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 0 1 0 0 Sr. Vice President, Vinyls Common Stock 2016-11-10 4 M 0 2880 30.0525 A 11035 D Common Stock 2016-11-10 4 S 0 2880 54.4226 D 8155 D Employee Option (right to buy) 30.0525 2016-11-10 4 M 0 2880 0 D 2022-02-17 Common Stock 2880 0 D The stock options are exercisable in three installments of 33%, 33% and 34% on February 17, 2013, 2014 and 2015, respectively. Robert F. Buesinger by J. Iglesias POA 2016-11-14