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Jul 25, 2017 4 Statement of changes in beneficial ownership of securities: n htmlhtml   pdfpdf  
Aug 01, 2007 4/A Statement of changes in beneficial ownership of securities (Amendment) htmlhtml   pdfpdf  
Dec 20, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Dec 18, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Dec 11, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Nov 14, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Oct 16, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Oct 04, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Sep 19, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Sep 14, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Sep 05, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Aug 23, 2012 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf