SEC Filings
page title image

Enroll online to receive your Proxy Statement and Annual Report electronically.

  
Filing Description Date Filed Size Sorted Descending  
S-3 registration statement Sep 28, 2000 562.0 KB  
8-K current report Aug 6, 2003 356.3 KB  
S-8 registration statement May 3, 2013 601.6 KB  
424B2 prospectus filed pursuant to rule 424 Nov 22, 2010 436.7 KB  
S-4 registration statement May 5, 2000 531.7 KB  
424B2 prospectus filed pursuant to rule 424 Sep 7, 2012 444.8 KB  
DEF 14A definitive proxy statement Mar 29, 2004 358.9 KB  
424B5 prospectus filed pursuant to rule 424 Sep 5, 2012 437.7 KB  
8-K current report May 5, 2003 38.1 KB  
8-K current report Apr 30, 2007 87.3 KB  
10-Q quarterly report Oct 28, 2004 272.6 KB  
424B2 prospectus filed pursuant to rule 424 May 19, 2010 404.3 KB  
424B5 prospectus filed pursuant to rule 424 Mar 2, 2011 415.9 KB  
424B5 prospectus filed pursuant to rule 424 Nov 18, 2010 403.0 KB  
424B3 prospectus filed pursuant to rule 424 Feb 28, 2011 409.5 KB  
10-Q quarterly report Aug 3, 2004 253.8 KB  
424B5 prospectus filed pursuant to rule 424 May 17, 2010 395.7 KB  
10-Q quarterly report Nov 6, 2003 245.0 KB  
S-3ASR automatic shelf registration statement of securities of well-known seasoned issuers Sep 25, 2008 393.9 KB  
S-4/A registration statement Jun 7, 2000 445.2 KB  
Showing 101-120 of 1358 Page: 1 2 3 4 5 6 7 8 9 10 ... 68  Previous 20 | Next 20
photo of well with US and Texas flags