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SEC Filings

  
Filing Description Date Filed Sorted Descending Size  
4 houser, mark a May 16, 2012 25.5 KB  
8-K current report May 11, 2012 94.6 KB  
10-Q quarterly report May 9, 2012 270.3 KB  
4 houser, mark a Apr 19, 2012 24.2 KB  
4 walker, john b Apr 18, 2012 25.2 KB  
4 walker, john b Apr 13, 2012 24.4 KB  
8-K current report Apr 4, 2012 66.8 KB  
8-K current report Mar 13, 2012 377.9 KB  
424B5 prospectus filed pursuant to rule 424 Mar 9, 2012 865.5 KB  
FWP free writing prospectus - filing under securities act rules 163/433 Mar 9, 2012 27.6 KB  
424B3 prospectus filed pursuant to rule 424 Mar 8, 2012 862.7 KB  
S-3ASR automatic shelf registration statement of securities of well-known seasoned issuers Mar 8, 2012 1.4 MB  
10-K annual report Feb 29, 2012 1.2 MB  
8-K current report Feb 15, 2012 487.2 KB  
SC 13G statement of beneficial ownership Feb 14, 2012 26.4 KB  
424B5 prospectus filed pursuant to rule 424 Feb 10, 2012 1.0 MB  
424B3 prospectus filed pursuant to rule 424 Feb 9, 2012 994.1 KB  
8-K current report Feb 9, 2012 152.0 KB  
8-K/A amended current report Feb 9, 2012 540.7 KB  
4 petersen, gary r Jan 18, 2012 31.8 KB  
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