0001140361-18-023144.txt : 20180514 0001140361-18-023144.hdr.sgml : 20180514 20180514093820 ACCESSION NUMBER: 0001140361-18-023144 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180511 FILED AS OF DATE: 20180514 DATE AS OF CHANGE: 20180514 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: 18828981 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 2018-05-11 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 2018-05-11 4 M 0 16826 30.0525 A 32636 D Common Stock 2018-05-11 4 M 0 6680 22.915 A 39316 D Common Stock 2018-05-11 4 S 0 23506 117.33 D 15810 D Employee Option (right to buy) 30.0525 2018-05-11 4 M 0 16826 0 D 2022-02-17 Common Stock 16826 0 D Employee Option (right to buy) 22.915 2018-05-11 4 M 0 6680 0 D 2021-02-18 Common Stock 6680 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $116.85 to $117.59, 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 17, 2013, 2014 and 2015, respectively. The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2012, 2013 and 2014, respectively. M. Steven Bender by J. Feng POA 2018-05-14