$HRTX SEC Filings

Filing Filed On
PROXY STATEMENT 28 Apr 2006
PROXY STATEMENT 21 Apr 2005
PROXY STATEMENT 20 Apr 2004
PROXY STATEMENT 23 Apr 2003
DEFINITIVE PROXY STATEMENT 19 Apr 2002
DEFINITIVE PROXY STATEMENT 06 Apr 2001
FORM DEF14A 19 May 1999
NOTICE AND PROXY STATEMENT 29 Apr 1998
PROXY STATEMENT 30 Apr 1997
NOTICE OF ANNUAL MEETING JUNE 5, 1996 26 Apr 1996
N & P MAY 5 1995 27 Apr 1995