467 filings
Page 17 of 24
DFAN14A
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13 Jan 12
Additional proxy materials by non-management
12:00am
SC TO-C
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13 Jan 12
Information about tender offer
12:00am
8-K
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1 Nov 11
Results of Operations and Financial Condition
12:00am
S-3ASR
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30 Sep 11
Automatic shelf registration
12:00am
8-K
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19 Sep 11
Entry into a Material Definitive Agreement
12:00am
8-K
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2 Aug 11
Westlake Announces Second Quarter Earnings
12:00am
8-K
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25 May 11
Submission of Matters to a Vote of Security Holders
12:00am
8-K
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3 May 11
Westlake Chemical Corporation Announces First Quarter Earnings
12:00am
ARS
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13 Apr 11
Annual report to shareholders
12:00am
8-K
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22 Feb 11
Westlake Chemical Reports Fourth Quarter and Full-Year Earnings
12:00am
UPLOAD
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13 Jan 11
Letter from SEC
12:00am
CORRESP
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22 Dec 10
Correspondence with SEC
12:00am
CORRESP
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14 Dec 10
Correspondence with SEC
12:00am
8-K
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8 Dec 10
Entry into a Material Definitive Agreement
12:00am
UPLOAD
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6 Dec 10
Letter from SEC
12:00am