0001140361-18-025119.txt : 20180522 0001140361-18-025119.hdr.sgml : 20180522 20180522121826 ACCESSION NUMBER: 0001140361-18-025119 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180521 FILED AS OF DATE: 20180522 DATE AS OF CHANGE: 20180522 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bender Mark Steven CENTRAL INDEX KEY: 0001330417 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 18851807 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 2018-05-21 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001330417 Bender Mark Steven 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 0 1 0 0 EVP and CFO Common Stock 2018-05-21 4 M 0 12066 68.09 A 27876 D Common Stock 2018-05-21 4 S 0 2300 121.90 D 25576 D Common Stock 2018-05-21 4 S 0 9505 123.04 D 16071 D Common Stock 2018-05-21 4 S 0 261 123.59 D 15810 D Employee Option (right to buy) 68.09 2018-05-21 4 M 0 12066 0 D 2025-02-20 Common Stock 12066 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $121.51 to $122.50, 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 $122.52 to $123.51, 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 $123.58 to $123.61, 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 installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018, respectively. M. Steven Bender by J. Feng POA 2018-05-22