0001140361-14-010568.txt : 20140303 0001140361-14-010568.hdr.sgml : 20140303 20140303163037 ACCESSION NUMBER: 0001140361-14-010568 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20140228 FILED AS OF DATE: 20140303 DATE AS OF CHANGE: 20140303 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: RILEY H JOHN JR CENTRAL INDEX KEY: 0001173593 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 14660712 MAIL ADDRESS: STREET 1: 600 TRAVIS STREET STREET 2: SUITE 5800 CITY: HOUSTON STATE: TX ZIP: 77002 4 1 doc1.xml FORM 4 X0306 4 2014-02-28 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001173593 RILEY H JOHN JR 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 1 0 0 0 Common Stock 2014-02-28 4 M 0 3549 24.51 A 12355 D Common Stock 2014-02-28 4 M 0 3826 20.825 A 16181 D Common Stock 2014-02-28 4 S 0 7375 134.7047 D 8806 D Employee Option (right to buy) 24.51 2014-02-28 4 M 0 3549 0 D 2019-08-20 Common Stock 3549 0 D Employee Option (right to buy) 20.825 2014-02-28 4 M 0 3826 0 D 2018-08-25 Common Stock 3826 0 D The stock options are exercisable in three installments of 33%, 33% and 34% on August 20, 2010, 2011 and 2012, respectively. The stock options are exercisable in three installments of 33%, 33% and 34% on August 15, 2009, 2010 and 2011, respectively. In accordance with the Securities and Exchange Commission's No Action Letter dated June 25, 2008, we have aggregated the sales that occurred on February 28, 2014 for ease of reporting. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $134.678 to $134.84, inclusive. The reporting person undertakes to provide to Westlake Chemical Corporation, any security holder of Westlake Chemical Corporation 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 (3) to this Form 4. John H. Riley Jr. by J. Iglesias POA 2014-03-03