Date Form Description PDF XBRL Pages
12/29/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/29/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/22/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/21/17 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
12/15/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/07/17 4 Statement of changes in beneficial ownership of securities PDF 2
11/13/17 4 Statement of changes in beneficial ownership of securities PDF 2
09/28/17 4 Statement of changes in beneficial ownership of securities PDF 2
09/13/17 4 Statement of changes in beneficial ownership of securities PDF 2