$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 27 Mar 2007
FORM 4 SUBMISSION 27 Mar 2007
FORM 4 SUBMISSION 27 Mar 2007
FORM 4 SUBMISSION 27 Mar 2007
FORM 4 SUBMISSION 27 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
DEFINITIVE PROXY STATEMENT 26 Mar 2007
FORM 144 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 26 Mar 2007
FORM 4 SUBMISSION 23 Mar 2007
FORM 4 SUBMISSION 23 Mar 2007