0001567619-18-001440.txt : 20180820 0001567619-18-001440.hdr.sgml : 20180820 20180820105238 ACCESSION NUMBER: 0001567619-18-001440 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180817 FILED AS OF DATE: 20180820 DATE AS OF CHANGE: 20180820 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: 181027510 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 2018-08-17 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001215888 MCCOLLUM MARK A 2801 POST OAK BLVD. HOUSTON TX 77056 1 0 0 0 Restricted Stock Units 2018-08-17 4 A 0 1409 0 A Common Stock 1409 1409 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 August 17, 2019. Mark A. McCollum by J. Feng POA 2018-08-20