Date Form Description PDF XBRL Pages
03/22/18 4 Statement of changes in beneficial ownership of securities PDF 2
02/16/18 4 Statement of changes in beneficial ownership of securities PDF 2
02/16/18 4 Statement of changes in beneficial ownership of securities PDF 2
12/19/17 4 Statement of changes in beneficial ownership of securities PDF 2
12/19/17 4 Statement of changes in beneficial ownership of securities PDF 2
06/09/17 4 Statement of changes in beneficial ownership of securities PDF 2
04/25/17 4/A Statement of changes in beneficial ownership of securities PDF 2
04/25/17 4/A Statement of changes in beneficial ownership of securities PDF 2
04/25/17 4/A Statement of changes in beneficial ownership of securities PDF 2
04/21/17 4 Statement of changes in beneficial ownership of securities PDF 2
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