467 filings
Page 19 of 24
UPLOAD
pefe7qyf
10 Jul 09
Letter from SEC
12:00am
CORRESP
5x63459xiop5zux
12 Jun 09
Correspondence with SEC
12:00am
UPLOAD
a7ulgo8 wmaw0vqw
2 Jun 09
Letter from SEC
12:00am
8-K
uwq8gb2xrr bglelafea
21 May 09
Departure of Directors or Certain Officers
12:00am
8-K
n4ghkqq 04t7w
5 May 09
Westlake Chemical Reports First Quarter Results
12:00am
ARS
nzndk0p
16 Apr 09
Annual report to shareholders
12:00am
8-K
0jrpr c944
18 Feb 09
Results of Operations and Financial Condition
12:00am
8-K
2yb0b424zjp a6b4yns5
9 Feb 09
Entry into a Material Definitive Agreement
12:00am
8-K
v1d2633kv7
6 Nov 08
Westlake Chemical Reports Third Quarter Results
12:00am
8-K
f7oyi34 9rumwd3
11 Sep 08
Entry into a Material Definitive Agreement
12:00am
8-K
j9haiupg
5 Aug 08
Westlake Chemical Reports Second Quarter Results
12:00am
EFFECT
csz5x59m
12 Jun 08
Notice of effectiveness
12:00am
POS AM
8x1atk8ega 88q9
11 Jun 08
Prospectus update (post-effective amendment)
12:00am
POS AM
joasms20z9
15 May 08
Prospectus update (post-effective amendment)
12:00am