0001140361-17-043287.txt : 20171120 0001140361-17-043287.hdr.sgml : 20171120 20171120094532 ACCESSION NUMBER: 0001140361-17-043287 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171120 FILED AS OF DATE: 20171120 DATE AS OF CHANGE: 20171120 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: 171212807 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 2017-11-20 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001488587 Buesinger Robert F. 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 0 1 0 0 EVP, Vinyls Products Common Stock 2017-11-17 4 M 0 5214 63.9775 A 14523 D Common Stock 2017-11-17 4 S 0 5214 93.8242 D 9309 D Employee Option (right to buy) 63.9775 2017-11-14 4 M 0 5214 0 A 2024-02-14 Common Stock 5214 0 D The stock options are excercisable in three installments of 33%, 33% and 34% on February 14, 2015, 2016 and 2017. Robert F. Buesinger by J. Feng POA 2017-11-20