Date Form Description PDF XBRL Pages
02/16/12 Statement of changes in beneficial ownership of securities PDF 1
02/14/12 Statement of changes in beneficial ownership of securities PDF 1
02/13/12 Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions PDF 5
02/10/12 View Filing PDF 56
02/10/12 View Filing PDF 112
02/10/12 View Filing PDF 54
02/07/12 Statement of changes in beneficial ownership of securities PDF 1
02/07/12 Statement of changes in beneficial ownership of securities PDF 1
02/07/12 SEC-generated letter PDF 2
02/03/12 Statement of changes in beneficial ownership of securities PDF 1