0001567619-19-017223.txt : 20190819 0001567619-19-017223.hdr.sgml : 20190819 20190819094040 ACCESSION NUMBER: 0001567619-19-017223 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190816 FILED AS OF DATE: 20190819 DATE AS OF CHANGE: 20190819 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chao David Tsung-Hung CENTRAL INDEX KEY: 0001726418 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 191035275 MAIL ADDRESS: STREET 1: 1000 UPTOWN PARK BLVD. #34 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 2019-08-16 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001726418 Chao David Tsung-Hung 2801 POST OAK BLVD. HOUSTON TX 77056 1 0 1 0 Common Stock 2019-08-17 4 M 0 1409 A 3152 D Common Stock 92010554 I TTWF LP & TTWFGP LLC Restricted Stock Units 2019-08-16 4 A 0 2387 0 A Common Stock 2387 2387 D Restricted Stock Units 2019-08-17 4 M 0 1409 0 A Common Stock 1409 0 D Restricted stock units convert into the Issuer's common stock on a one-for-one basis. All of the restricted stock units will vest on August 16, 2020. On August 17, 2018 the reporting person was granted 1,409 restricted stock vesting on the first anniversary of the grant date. 92,010,554 shares of Issuer are held through TTWF LP, a Delaware limited partnership. Two trusts for the benefit of members of the Chao family, including the reporting person, are the managers of TTWFGP LLC, a Delaware limited liability company that is the general partner of TTWF LP. The limited partners of TTWF LP are five trusts, principally for the benefit of members of the Chao family, including the reporting person, and two corporations owned, indirectly or directly, by certain of these trusts and by other entities owned by members of the Chao family, including the reporting person. The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein. David Tsung-Hung Chao by J. Feng POA 2019-08-19