0001140361-16-077886.txt : 20160825 0001140361-16-077886.hdr.sgml : 20160825 20160825174655 ACCESSION NUMBER: 0001140361-16-077886 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160824 FILED AS OF DATE: 20160825 DATE AS OF CHANGE: 20160825 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: Mattina Michael J. CENTRAL INDEX KEY: 0001638948 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 161852417 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD. STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 FORMER NAME: FORMER CONFORMED NAME: Mattina Mike DATE OF NAME CHANGE: 20150407 4 1 doc1.xml FORM 4 X0306 4 2016-08-24 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001638948 Mattina Michael J. 2801 POST OAK BLVD HOUSTON TX 77056 0 1 0 0 Sr. VP, Polyethylene Common Stock 2016-08-24 4 F 0 2443 51.93 D 6063 D Michael J. Mattina by J. Iglesias POA 2016-08-25