$HRTX SEC Filings

Filing Filed On
DEFA14A 22 Apr 2021
DEFA14A 23 Apr 2020
DEFA14A 26 Apr 2019
DEFA14A 30 Apr 2018
DEFA14A 26 Apr 2017
DEFINITIVE ADDITIONAL MATERIALS 29 Apr 2016
DEFA14A 03 May 1999
DEFA14A 27 Apr 1999
DEFA14A 22 Apr 1999