Date Form Description PDF XBRL
01/30/13 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
01/07/13 4 Statement of changes in beneficial ownership of securities PDF
12/19/12 4 Statement of changes in beneficial ownership of securities PDF
12/13/12 4 Statement of changes in beneficial ownership of securities PDF
12/11/12 4 Statement of changes in beneficial ownership of securities PDF
12/05/12 4 Statement of changes in beneficial ownership of securities PDF
12/05/12 4 Statement of changes in beneficial ownership of securities PDF
11/05/12 4 Statement of changes in beneficial ownership of securities PDF
11/05/12 4 Statement of changes in beneficial ownership of securities PDF
11/05/12 4 Statement of changes in beneficial ownership of securities PDF