0001140361-17-043827.txt : 20171127 0001140361-17-043827.hdr.sgml : 20171127 20171127123302 ACCESSION NUMBER: 0001140361-17-043827 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171122 FILED AS OF DATE: 20171127 DATE AS OF CHANGE: 20171127 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Chao James CENTRAL INDEX KEY: 0001299505 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 171222280 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 2017-11-22 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001299505 Chao James 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 1 1 0 Chairman Common Stock 2017-11-22 4 M 0 10109 45.6975 A 129078 D Common Stock 2017-11-22 4 S 0 10109 95.203 D 118969 D Common Stock 2017-11-24 4 M 0 10109 45.6975 A 129078 D Common Stock 2017-11-24 4 M 0 23917 68.09 A 152995 D Common Stock 2017-11-24 4 M 0 32000 63.9775 A 184995 D Common Stock 2017-11-24 4 S 0 66026 94.611 D 118969 D Common Stock 92010554 I TTWF LP & TTWFGP LLC Employee Option (right to buy) 45.6975 2017-11-22 4 M 0 10109 0 D 2023-02-15 Common Stock 10109 10109 D Employee Option (right to buy) 45.6975 2017-11-24 4 M 0 10109 0 D 2023-02-15 Common Stock 10109 0 D Employee Option (right to buy) 68.09 2017-11-24 4 M 0 23917 0 D 2025-02-20 Common Stock 23917 12321 D Employee Option (right to buy) 63.9775 2017-11-24 4 M 0 32000 0 D 2024-02-14 Common Stock 32000 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $95.00 to $95.40, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $94.11 to $94.90, inclusive. The reporting person undertakes to provide to Westlake Chemical Corp., any security holder of Westlake Chemical Corp. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote The stock options are excercisable in three equal installments on February 15, 2014, 2015 and 2016. The stock options are excercisable in three equal installments on February 20, 2016, 2017 and 2018. The stock options are excercisable in three equal installments on February 14, 2015, 2016 and 2017. 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 shares investment and voting power with respect to the shares beneficially owned by TTWF LP. The reporting person disclaims beneficial ownership of the shares except to the extent of her pecuniary interest therein. James Chao by J. Feng POA 2017-11-27