0001140361-18-011121.txt : 20180301
0001140361-18-011121.hdr.sgml : 20180301
20180301124725
ACCESSION NUMBER: 0001140361-18-011121
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20180228
FILED AS OF DATE: 20180301
DATE AS OF CHANGE: 20180301
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: 18655735
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
2018-02-28
0
0001262823
WESTLAKE CHEMICAL CORP
WLK
0001298504
Mangieri George J
2801 POST OAK BOULEVARD, SUITE 600
HOUSTON
TX
77056
0
1
0
0
SVP & Chief Accounting Officer
Common Stock
2018-02-28
4
M
0
1489
61.865
A
5810
D
Common Stock
2018-02-28
4
M
0
1810
44.420
A
7620
D
Common Stock
2018-02-28
4
M
0
1036
68.09
A
8656
D
Common Stock
2018-02-28
4
S
0
4335
111.22
D
4321
D
Employee Option (right to buy)
61.865
2018-02-28
4
M
0
1489
0
D
2027-02-17
Common Stock
1489
3026
D
Employee Option (right to buy)
44.420
2018-02-28
4
M
0
1810
0
D
2026-02-18
Common Stock
1810
1865
D
Employee Option (right to buy)
68.09
2018-02-28
4
M
0
1036
0
D
2025-02-20
Common Stock
1036
0
D
The stock options are excercisable in three installments of 33%, 33% and 34% on February 17, 2018, 2019 and 2020, respectively.
The stock options are excercisable in three installments of 33%, 33% and 34% on February 18, 2017, 2018 and 2019, respectively.
The stock options are excercisable in three installments of 33%, 33% and 34% on February 20, 2016, 2017 and 2018, respectively.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $111.2128 to $111.265, 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.
George Mangieri by J. Feng POA
2018-03-01