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Jun 17, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 15, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 10, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 10, 2020 8-K Current report htmlhtml   pdfpdf  
Jun 08, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 03, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
Jun 01, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
May 27, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf  
May 27, 2020 SD Specialized Disclosure Report htmlhtml   pdfpdf  
May 26, 2020 4 Statement of changes in beneficial ownership of securities htmlhtml   pdfpdf