0001140361-12-010057.txt : 20120222
0001140361-12-010057.hdr.sgml : 20120222
20120222160932
ACCESSION NUMBER: 0001140361-12-010057
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20120217
FILED AS OF DATE: 20120222
DATE AS OF CHANGE: 20120222
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: Bender Mark Steven
CENTRAL INDEX KEY: 0001330417
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-32260
FILM NUMBER: 12630387
MAIL ADDRESS:
STREET 1: 2801 POST OAK BOULEVARD
STREET 2: SUITE 600
CITY: HOUSTON
STATE: TX
ZIP: 77056
4
1
doc1.xml
FORM 4
X0304
4
2012-02-17
0
0001262823
WESTLAKE CHEMICAL CORP
WLK
0001330417
Bender Mark Steven
2801 POST OAK BLVD.
HOUSTON
TX
77056
0
1
0
0
Sr V P, CFO & Treasurer
Common Stock
2011-02-25
4
M
0
7767
19.290
A
68148
D
Common Stock
2011-02-25
4
S
0
2000
46.68
D
66148
D
Common Stock
2011-02-25
4
S
0
2000
46.67
D
64148
D
Common Stock
2011-02-25
4
S
0
160
46.58
D
63988
D
Common Stock
2011-02-25
4
S
0
2800
46.53
D
61188
D
Common Stock
2011-02-25
4
S
0
3000
46.52
D
58188
D
Common Stock
2011-02-25
4
S
0
429
46.50
D
57759
D
Common Stock
2011-02-25
4
S
0
1100
46.49
D
56659
D
Common Stock
2011-02-25
4
S
0
200
46.48
D
56459
D
Common Stock
2011-02-25
4
S
0
200
46.47
D
56259
D
Common Stock
2011-02-25
4
S
0
451
46.46
D
55808
D
Common Stock
2011-02-25
4
S
0
2317
46.45
D
53491
D
Common Stock
2011-02-25
4
S
0
1099
46.44
D
52392
D
Common Stock
2011-02-25
4
S
0
600
46.43
D
51792
D
Common Stock
2011-02-25
4
S
0
5145
46.41
D
46647
D
Common Stock
2011-02-25
4
S
0
300
46.40
D
46347
D
Common Stock
2011-02-25
4
S
0
2949
46.39
D
43398
D
Common Stock
2011-02-25
4
S
0
200
46.38
D
43198
D
Common Stock
2011-02-25
4
S
0
100
46.37
D
43098
D
Common Stock
2011-02-25
4
S
0
883
46.35
D
42215
D
Common Stock
2011-02-25
4
S
0
500
46.34
D
41715
D
Common Stock
2011-02-25
4
S
0
1400
46.31
A
40315
D
Employee Option (right to buy)
14.235
2011-02-25
4
M
0
20066
0
D
2011-02-13
2019-02-13
Common Stock
20066
10034
D
Employee Option (right to buy)
19.290
2011-02-25
4
M
0
7767
0
D
2011-02-15
2018-02-15
Common Stock
7767
0
D
Mark Steven Bender by Richard Kroger PoA
2011-02-28