Date Form Description PDF XBRL Pages
02/23/12 4 Statement of changes in beneficial ownership of securities PDF 2
02/23/12 4 Statement of changes in beneficial ownership of securities PDF 2
02/23/12 4 Statement of changes in beneficial ownership of securities PDF 2
02/14/12 SC 13G 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 8
02/09/12 4 Statement of changes in beneficial ownership of securities PDF 2
02/09/12 4 Statement of changes in beneficial ownership of securities PDF 2
02/09/12 SC 13G 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 6
01/30/12 SC 13G 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 13
12/21/11 4 Statement of changes in beneficial ownership of securities PDF 2
12/07/11 4 Statement of changes in beneficial ownership of securities PDF 2
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