Date Form Description PDF XBRL
02/13/12 4 Statement of changes in beneficial ownership of securities PDF
02/13/12 4 Statement of changes in beneficial ownership of securities PDF
01/26/12 4 Statement of changes in beneficial ownership of securities PDF
01/25/12 4 Statement of changes in beneficial ownership of securities PDF
12/27/11 4 Statement of changes in beneficial ownership of securities PDF
12/22/11 4 Statement of changes in beneficial ownership of securities PDF
12/06/11 4 Statement of changes in beneficial ownership of securities PDF
12/05/11 4 Statement of changes in beneficial ownership of securities PDF
11/22/11 4 Statement of changes in beneficial ownership of securities PDF
10/31/11 4 Statement of changes in beneficial ownership of securities PDF
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