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Jun 29, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 01, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 01, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 01, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 01, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 07, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 07, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Jul 07, 2021 4 Statement of changes in beneficial ownership of securities htmlhtml  
Nov 02, 2006 4/A Statement of changes in beneficial ownership of securities (Amendment) htmlhtml   pdfpdf  
Jul 25, 2017 4 Statement of changes in beneficial ownership of securities: n htmlhtml   pdfpdf