Date Form Description PDF XBRL
01/30/13 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
01/25/13 SEC-generated letter PDF
01/11/13 A correspondence can be sent as a document with another submission type or can be sent as a separate submission. PDF
12/26/12 Annual report to security holders PDF
12/21/12 Statement of changes in beneficial ownership of securities PDF
12/21/12 Statement of changes in beneficial ownership of securities PDF
12/21/12 Statement of changes in beneficial ownership of securities PDF
12/20/12 Additional definitive proxy soliciting materials and Rule 14(a)(12) material PDF
12/20/12 Definitive proxy statements PDF
12/20/12 SEC-generated letter PDF