Date Form Description PDF XBRL Pages
01/24/18 4 Statement of changes in beneficial ownership of securities PDF 2
01/22/18 4 Statement of changes in beneficial ownership of securities PDF 2
12/15/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/15/17 4 Statement of changes in beneficial ownership of securities PDF 2
08/28/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/09/17 4 Statement of changes in beneficial ownership of securities PDF 2
02/28/17 4 Statement of changes in beneficial ownership of securities PDF 2
02/01/17 4 Statement of changes in beneficial ownership of securities PDF 2
02/01/17 4 Statement of changes in beneficial ownership of securities PDF 2
02/01/17 4 Statement of changes in beneficial ownership of securities PDF 2