0001140361-18-024829.txt : 20180521 0001140361-18-024829.hdr.sgml : 20180521 20180521095654 ACCESSION NUMBER: 0001140361-18-024829 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: RILEY H JOHN JR CENTRAL INDEX KEY: 0001173593 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 18848576 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 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 0001173593 RILEY H JOHN JR 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 0 0 0 Restricted Stock Units 2018-05-18 4 A 0 144 0 A Common Stock 144 144 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. John Riley by J. Feng POA 2018-05-21