Date Form Description XBRL Pages
02/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
02/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
02/19/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
02/14/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
02/13/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
01/31/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
01/31/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
01/31/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
01/31/13 4 Form 4: Statement of changes in beneficial ownership of securities 1
01/31/13 4 Form 4: Statement of changes in beneficial ownership of securities 1