WESTLAKE DEVELOPMENT CORP
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- WESTLAKE CHEMICAL CORP (4)
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- WESTLAKE MANAGEMENT SERVICES, INC. (2)
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- WESTLAKE OVERSEAS CORP (1)
- WESTLAKE CHEMICAL HOLDINGS INC (1)
- WESTLAKE CHEMICAL PRODUCTS INC (1)
- WESTLAKE CHEMICAL MANUFACTURING INC (1)
- NORTH AMERICAN PROFILES INC (1)
- VAN BUREN PIPE CORP (1)
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Other (3)
POS AM
Wednesday, 6/11/2008
Post-effective amendment to a registration statement that is not immediately effective upon filing
POS AM
Thursday, 5/15/2008
Post-effective amendment to a registration statement that is not immediately effective upon filing
EFFECT
Tuesday, 4/22/2008
Notice of Effectiveness
Prospectus (10)
S-3ASR
Monday, 9/9/2013
Automatic shelf registration statement of securities of well-known seasoned issuers
424B5
Wednesday, 7/11/2012
Prospectus filed pursuant to Rule 424(b)(5)
424B5
Tuesday, 7/10/2012
Prospectus filed pursuant to Rule 424(b)(5)
S-3ASR
Friday, 9/30/2011
Automatic shelf registration statement of securities of well-known seasoned issuers
S-3
Friday, 4/11/2008
Registration statement for specified transactions by certain issuers
S-3/A
Friday, 12/2/2005
Registration statement for specified transactions by certain issuers
S-3/A
Wednesday, 11/23/2005
Registration statement for specified transactions by certain issuers
S-3
Tuesday, 5/3/2005
Registration statement for specified transactions by certain issuers
S-4/A
Friday, 11/21/2003
Registration of securities issued in business combination transactions
S-4
Monday, 9/22/2003
Registration of securities issued in business combination transactions