$HES SEC Filings

Filing Filed On
FORM 3 SUBMISSION 22 May 2013
FORM 3 SUBMISSION 22 May 2013
FORM 3 SUBMISSION 21 May 2013
FORM 3 SUBMISSION 20 May 2013
FORM 3 SUBMISSION 20 May 2013
FORM 3 SUBMISSION 08 Mar 2013
FORM 3 SUBMISSION 08 Aug 2012
FORM 3 SUBMISSION 01 Sep 2010
FORM 3 SUBMISSION 12 Nov 2009
FORM 3 SUBMISSION 25 Sep 2009
FORM 3 SUBMISSION 08 Jun 2009
FORM 3 SUBMISSION 08 May 2009
FORM 3 SUBMISSION 09 Jan 2009
FORM 3 SUBMISSION 07 Jan 2009
FORM 3 SUBMISSION 05 Nov 2008
FORM 3 SUBMISSION 03 Mar 2008
FORM 3 SUBMISSION 03 Jul 2007
FORM 3 SUBMISSION 03 May 2007
FORM 3 SUBMISSION 03 May 2007
FORM 3 SUBMISSION 09 Feb 2007