0001140361-15-015196.txt : 20150413 0001140361-15-015196.hdr.sgml : 20150413 20150413162051 ACCESSION NUMBER: 0001140361-15-015196 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150401 FILED AS OF DATE: 20150413 DATE AS OF CHANGE: 20150413 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: Mattina Michael J. CENTRAL INDEX KEY: 0001638948 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-32260 FILM NUMBER: 15766957 MAIL ADDRESS: STREET 1: 2801 POST OAK BLVD. STREET 2: SUITE 600 CITY: HOUSTON STATE: TX ZIP: 77056 FORMER NAME: FORMER CONFORMED NAME: Mattina Mike DATE OF NAME CHANGE: 20150407 3 1 doc1.xml FORM 3 X0206 3 2015-04-01 0 0001262823 WESTLAKE CHEMICAL CORP WLK 0001638948 Mattina Michael J. 2801 POST OAK BLVD HOUSTON TX 77056 0 1 0 0 Sr. VP, Polyethylene Common Stock 7910 D Restricted Stock Units Common Stock 892 D Restricted Stock Units Common Stock 660 D Restricted Stock Units Common Stock 644 D Employee Option (Right to Buy) 30.0525 2022-02-17 Common Stock 1334 D Employee Option (Right to Buy) 45.6975 2023-02-15 Common Stock 1582 D Employee Option (Right to Buy) 63.9775 2024-02-14 Common Stock 2054 D Employee Option (Right to Buy) 68.09 2025-02-20 Common Stock 2148 D Employee Option (Right to Buy) 15.805 2017-02-23 Common Stock 15358 D Each restricted stock unit represents a contingent right to receive one share of Westlake Chemical Corporation common stock. The restricted stock units will vest three years from the date of grant (February 15, 2016). The restricted stock units will vest three years from the date of grant (February 14, 2017). The restricted stock units will vest three years from the date of grant (February 20, 2018). The stock options are exercisable in three installments of 33%, 33%, and 34% on February 17, 2013, 2014 and 2015, respectively. The stock options are exercisable in three installments of 33%, 33%, and 34% on February 15, 2014, 2015 and 2016, respectively. The stock options are exercisable in three installments of 33%, 33%, and 34% on February 14, 2015, 2016 and 2017, respectively. The stock options are exercisable in three installments of 33%, 33%, and 34% on February 20, 2016, 2017 and 2018, respectively. The stock options are exercisable in two equal installments on February 23, 2012 and August 23, 2016. Michael J. Mattina by J. Iglesias POA 2015-04-13