$HRGN SEC Filings

Filing Filed On
CORRESP 15 Aug 2017
CORRESP 14 Apr 2017
CORRESP 13 Apr 2017
CORRESP 07 Feb 2017
CORRESP 07 Feb 2017
CORRESP 03 Feb 2017
CORRESP 17 Aug 2016
CORRESP 23 Dec 2015
CORRESP 11 Oct 2013
CORRESP 20 Sep 2013