0001140361-11-026690.txt : 20110511 0001140361-11-026690.hdr.sgml : 20110511 20110511162330 ACCESSION NUMBER: 0001140361-11-026690 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20110510 FILED AS OF DATE: 20110511 DATE AS OF CHANGE: 20110511 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: WESTLAKE CHEMICAL CORP CENTRAL INDEX KEY: 0001262823 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL ORGANIC CHEMICALS [2860] IRS NUMBER: 760346924 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: LUKENS MAX L CENTRAL INDEX KEY: 0001040101 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 11832209 MAIL ADDRESS: STREET 1: 4 GREENWAY PLAZA STREET 2: PO BOX 2765 77252-2765 CITY: HOUSTON STATE: TX ZIP: 77046 4 1 doc1.xml FORM 4 X0303 4 2011-05-10 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001040101 LUKENS MAX L 2801 POST OAK BLVD. HOUSTON TX 77056 1 0 0 0 Common Stock 2011-05-10 4 M 0 1345 30.07 A 9570 D Common Stock 2011-05-10 4 M 0 1440 27.125 A 11010 D Common Stock 2011-05-10 4 M 0 1912 20.825 A 12922 D Common Stock 2011-05-10 4 M 0 887 24.51 A 13809 D Common Stock 2011-05-10 4 S 0 200 60.69 D 13609 D Common Stock 2011-05-10 4 S 0 4000 60.67 D 9609 D Common Stock 2011-05-10 4 S 0 400 60.66 D 9209 D Common Stock 2011-05-10 4 S 0 500 60.64 D 8709 D Common Stock 2011-05-10 4 S 0 184 60.63 D 8525 D Common Stock 2011-05-10 4 S 0 300 60.61 D 8225 D Employee Option (right to buy) 30.07 2011-05-10 4 A 0 1345 0 A 2010-08-21 2020-08-21 Common Stock 1345 0 D Employee Option (right to buy) Common Stock 27.125 2011-05-10 4 A 0 1440 0 A 2010-08-17 2020-08-17 Common Stock 1440 480 D Employee Option (right to buy) (Common Stock 20.825 2011-05-10 4 A 0 1912 0 A 2010-08-15 2020-08-15 Common Stock 1912 1914 D Employee Option (right to buy) (Common Stock) 24.51 2011-05-10 4 A 0 887 0 A 2010-08-20 2020-08-20 Common Stock 887 2662 D Max L. Lukens by Richard Kroger PoA 2011-05-11