Date Form Description PDF XBRL Pages
12/07/17 4 Statement of changes in beneficial ownership of securities PDF 2
11/30/17 4 Statement of changes in beneficial ownership of securities PDF 2
11/29/17 4 Statement of changes in beneficial ownership of securities PDF 2
11/27/17 4 Statement of changes in beneficial ownership of securities PDF 2
09/19/17 4 Statement of changes in beneficial ownership of securities PDF 2
06/21/17 4 Statement of changes in beneficial ownership of securities PDF 2
06/14/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/30/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/16/17 4 Statement of changes in beneficial ownership of securities PDF 2
05/16/17 4/A Statement of changes in beneficial ownership of securities PDF 2