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Filing Date Form Type Description View
Apr 18, 2012 4 Statement of changes in beneficial ownership of securities  
Apr 18, 2012 4 Statement of changes in beneficial ownership of securities  
Apr 17, 2012 4 Statement of changes in beneficial ownership of securities  
Apr 17, 2012 4 Statement of changes in beneficial ownership of securities  
Feb 7, 2012 5 Annual statement of changes in beneficial ownership of securities  
Feb 1, 2012 3 Initial statement of beneficial ownership of securities  
Jan 25, 2012 4 Statement of changes in beneficial ownership of securities  
Jan 23, 2012 4 Statement of changes in beneficial ownership of securities  
Dec 13, 2011 3 Initial statement of beneficial ownership of securities  
Dec 6, 2011 3 Initial statement of beneficial ownership of securities  
Dec 6, 2011 4 Statement of changes in beneficial ownership of securities  
Sep 13, 2011 4 Statement of changes in beneficial ownership of securities  
Sep 9, 2011 4 Statement of changes in beneficial ownership of securities  
Sep 7, 2011 4 Statement of changes in beneficial ownership of securities  
Sep 2, 2011 4 Statement of changes in beneficial ownership of securities  
Aug 31, 2011 4 Statement of changes in beneficial ownership of securities  
Aug 15, 2011 4 Statement of changes in beneficial ownership of securities  
Jul 25, 2011 4 Statement of changes in beneficial ownership of securities  
Jul 25, 2011 4 Statement of changes in beneficial ownership of securities  
Jun 21, 2011 4 Statement of changes in beneficial ownership of securities  
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