467 filings
Page 16 of 24
FWP
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10 Jul 12
Free writing prospectus
12:00am
424B5
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10 Jul 12
Prospectus supplement for primary offering
12:00am
8-K
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29 Jun 12
Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement
12:00am
CORRESP
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22 Jun 12
Correspondence with SEC
12:00am
CORRESP
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7 Jun 12
Correspondence with SEC
12:00am
UPLOAD
h18se 811e
5 Jun 12
Letter from SEC
12:00am
8-K
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25 May 12
Submission of Matters to a Vote of Security Holders
12:00am
8-K
30c9qxppa20di5
1 May 12
Westlake Chemical Announces First Quarter Earnings
12:00am
ARS
4dsoc vwub4s1h8m5qol
18 Apr 12
Annual report to shareholders
12:00am
8-K
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21 Feb 12
Westlake Chemical Reports Fourth Quarter and Full-Year Earnings for 2011
12:00am
SC TO-C
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21 Feb 12
Information about tender offer
12:00am
SC TO-C
yrv394
1 Feb 12
Information about tender offer
12:00am
8-K
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1 Feb 12
Regulation FD Disclosure
12:00am
SC TO-C
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1 Feb 12
Information about tender offer
12:00am
SC TO-C
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17 Jan 12
Information about tender offer
12:00am
SC TO-C
15iledv77 1e
13 Jan 12
Information about tender offer
12:00am
8-K
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13 Jan 12
Westlake Chemical Discloses Proposal to Acquire Georgia Gulf
12:00am