Filing Date Form Type Description View
Feb 13, 2017 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Mar 08, 2017 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Jun 15, 2017 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Aug 22, 2017 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Dec 21, 2018 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf