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Apr 11, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 09, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 04, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Sep 19, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Aug 29, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jul 16, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jul 10, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 25, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 21, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 19, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf