0001567619-21-004533.txt : 20210222 0001567619-21-004533.hdr.sgml : 20210222 20210222083144 ACCESSION NUMBER: 0001567619-21-004533 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210219 FILED AS OF DATE: 20210222 DATE AS OF CHANGE: 20210222 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chao Albert CENTRAL INDEX KEY: 0001299403 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 21658342 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 2021-02-19 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001299403 Chao Albert 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 1 1 0 President & CEO Employee Option (right to buy) 86.5379 2021-02-19 4 A 0 68074 0 A 2031-02-19 Common Stock 68074 68074 D Restricted Stock Units 2021-02-19 4 A 0 19810 0 A Common Stock 19810 19810 D The stock options are excercisable in three installments of 33%, 33% and 34% on February 19, 2022, 2023 and 2024, respectively. 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 February 19, 2024. Albert Chao by J. Feng POA 2021-02-22