Filing Date Form Type Description View
Feb 13, 2012 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Jan 06, 2010 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
May 17, 2005 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt  
Feb 12, 2002 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt  
Feb 05, 2002 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt  
Feb 12, 2013 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Jan 28, 2014 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt  
Feb 16, 2016 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Jan 10, 2017 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) htmlhtml   pdfpdf  
Jan 10, 2017 SC 13G/A Statement of acquisition of beneficial ownership by individuals (Amendment) texttxt