Filing Date Form Type Description View
Mar 21, 2016 SC 13D/A General statement of acquisition of beneficial ownership (Amendment) htmlhtml   pdfpdf  
Jun 30, 2011 SC 13G Statement of acquisition of beneficial ownership by individuals htmlhtml   pdfpdf  
Sep 24, 2007 SC 13G Statement of acquisition of beneficial ownership by individuals htmlhtml   pdfpdf  
Feb 14, 2014 SC 13G Statement of acquisition of beneficial ownership by individuals htmlhtml   pdfpdf  
Mar 30, 2015 SC 13G Statement of acquisition of beneficial ownership by individuals htmlhtml   pdfpdf  
Aug 07, 2013 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Feb 14, 2013 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Feb 15, 2012 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Sep 23, 2016 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
May 12, 2017 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf