0001140361-18-024830.txt : 20180521 0001140361-18-024830.hdr.sgml : 20180521 20180521095720 ACCESSION NUMBER: 0001140361-18-024830 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 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: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 18848577 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 4 1 doc1.xml FORM 4 X0306 4 2018-05-18 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001215888 MCCOLLUM MARK A 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 0 0 0 Restricted Stock Units 2018-05-18 4 A 0 987 0 A Common Stock 987 987 D Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. All of the restricted stock units will vest on May 18, 2019. Mark A. McCollum by J. Feng POA 2018-05-21