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Aug 14, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 28, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 06, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
May 15, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Mar 14, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Dec 31, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Dec 13, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Nov 26, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jul 03, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 12, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf