<SEC-DOCUMENT>0001140361-18-024806-index.html : 20180521 <SEC-HEADER>0001140361-18-024806.hdr.sgml : 20180521 <ACCEPTANCE-DATETIME>20180521080046 ACCESSION NUMBER: 0001140361-18-024806 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20180518 FILED AS OF DATE: 20180521 DATE AS OF CHANGE: 20180521 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MCCOLLUM MARK A CENTRAL INDEX KEY: 0001215888 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 18848406 MAIL ADDRESS: STREET 1: 3000 NORTH SAM HOUSTON PARKWAY E. CITY: HOUSTON STATE: TX ZIP: 77002 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 </SEC-HEADER> <DOCUMENT> <TYPE>3 <SEQUENCE>1 <FILENAME>doc1.xml <DESCRIPTION>FORM 3 <TEXT> Document 1 - file: doc1.html
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