0001140361-16-077852.txt : 20160825 0001140361-16-077852.hdr.sgml : 20160825 20160825162918 ACCESSION NUMBER: 0001140361-16-077852 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20160823 FILED AS OF DATE: 20160825 DATE AS OF CHANGE: 20160825 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mangieri George J CENTRAL INDEX KEY: 0001298504 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 161851898 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD, SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 4 1 doc1.xml FORM 4 X0306 4 2016-08-23 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001298504 Mangieri George J 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 0 1 0 0 VP & Chief Accounting Officer Common Stock 2016-08-23 4 M 0 30714 15.8050 A 54609 D Common Stock 2016-08-23 4 S 0 30714 52.0009 D 23895 D Common Stock 2016-08-24 4 F 0 5696 51.93 D 18199 D Employee Option (right to buy) 15.805 2016-08-23 4 M 0 30714 0 D 2017-02-23 Common Stock 30714 0 D The stock options are exercisable in two equal installments on February 23, 2012 and August 23, 2016. George J. Mangieri by J. Iglesias POA 2016-08-25