0001567619-20-020336.txt : 20201125 0001567619-20-020336.hdr.sgml : 20201125 20201125110431 ACCESSION NUMBER: 0001567619-20-020336 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20201124 FILED AS OF DATE: 20201125 DATE AS OF CHANGE: 20201125 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Buesinger Robert F. CENTRAL INDEX KEY: 0001488587 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 201347906 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 2020-11-24 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 0 1 0 0 EVP, Vinyl Products Common Stock 2020-11-24 4 M 0 4581 44.420 A 15150 D Common Stock 2020-11-24 4 S 0 4581 77.50 D 10569 D Employee Option (right to buy) 44.420 2020-11-24 4 M 0 4581 0 D 2026-02-18 Common Stock 4581 0 D The stock options were excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019, respectively. Robert F. Buesinger by J. Feng POA 2020-11-25