$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 30 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 29 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007
FORM 4 SUBMISSION 28 Mar 2007