$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 31 Jan 2012
FORM 4 SUBMISSION 05 Jan 2012
FORM 4 SUBMISSION 07 Oct 2011
FORM 4 SUBMISSION 19 Sep 2011
FORM 4 SUBMISSION 13 Sep 2011
FORM 4 SUBMISSION 17 Aug 2011
FORM 4 SUBMISSION 10 Aug 2011
FORM 4 SUBMISSION 03 Aug 2011
FORM 4 SUBMISSION 01 Jul 2011
FORM 4 SUBMISSION 07 Jun 2011
FORM 4 SUBMISSION 06 May 2011
FORM 4 SUBMISSION 03 May 2011
FORM 4 SUBMISSION 28 Mar 2011
FORM 4 SUBMISSION 23 Mar 2011
FORM 4 SUBMISSION 11 Mar 2011
FORM 4 SUBMISSION 11 Mar 2011
FORM 4 SUBMISSION 10 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011