$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 08 Mar 2011
FORM 4 SUBMISSION 07 Mar 2011
FORM 4 SUBMISSION 04 Mar 2011
FORM 4 SUBMISSION 03 Mar 2011
FORM 4 SUBMISSION 03 Mar 2011
FORM 4 SUBMISSION 03 Mar 2011
FORM 4 SUBMISSION 03 Mar 2011
FORM 4 SUBMISSION 03 Mar 2011
FORM 4 SUBMISSION 02 Mar 2011
FORM 4 SUBMISSION 01 Mar 2011
FORM 4 SUBMISSION 01 Mar 2011
FORM 4 SUBMISSION 28 Feb 2011
FORM 4 SUBMISSION 25 Feb 2011
FORM 4 SUBMISSION 24 Feb 2011
FORM 4 SUBMISSION 23 Feb 2011
FORM 4 SUBMISSION 23 Feb 2011
FORM 4 SUBMISSION 22 Feb 2011
FORM 4 SUBMISSION 18 Feb 2011
FORM 4 SUBMISSION 17 Feb 2011
FORM 4 SUBMISSION 16 Feb 2011