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May 17, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 30, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 25, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 12, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 02, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Apr 02, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jan 22, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jan 02, 2019 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Nov 08, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Nov 05, 2018 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf