$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 29 Jan 2013
FORM 4 SUBMISSION 04 Jan 2013
FORM 4 SUBMISSION 02 Jan 2013
FORM 4 SUBMISSION 15 Nov 2012
FORM 4 SUBMISSION 13 Nov 2012
FORM 4 SUBMISSION 08 Nov 2012
FORM 4 SUBMISSION 09 Oct 2012
FORM 4 SUBMISSION 18 Sep 2012
FORM 4 SUBMISSION 14 Sep 2012
FORM 4 SUBMISSION 14 Sep 2012
FORM 4 SUBMISSION 20 Aug 2012