$HRTX SEC Filings

Filing Filed On
FORM 8-K/A 25 Jun 2018
AMENDMENT NO. 1 TO FORM 8-K 26 Mar 2012
FORM 8-K/A 25 May 2010
FORM 8-K/A REVISED PRESS RELEASE 15 Nov 2007
FORM 8-K/A 05 Apr 2006
FORM 8-K/A 06 Feb 2006