Date Form Description PDF XBRL Pages
02/14/13 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 7
02/13/13 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 10
02/13/13 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
02/08/13 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
05/03/12 SEC-generated letter PDF 1
04/24/12 A correspondence can be sent as a document with another submission type or can be sent as a separate submission. PDF 2