$HES SEC Filings

Filing Filed On
FORM 8-K 18 Apr 2011
FORM 4 SUBMISSION 28 Mar 2011
FORM 144 28 Mar 2011
DEFA14A 25 Mar 2011
DEF 14A 25 Mar 2011
FORM 4 SUBMISSION 23 Mar 2011
FORM 144 22 Mar 2011
FORM 4 SUBMISSION 11 Mar 2011
FORM 4 SUBMISSION 11 Mar 2011
FORM 4 SUBMISSION 10 Mar 2011
FORM 144 10 Mar 2011
FORM 144 10 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011
FORM 4 SUBMISSION 09 Mar 2011
FORM 4 SUBMISSION 08 Mar 2011
FORM 144 08 Mar 2011
FORM 144 08 Mar 2011
FORM 4 SUBMISSION 07 Mar 2011
FORM 4 SUBMISSION 04 Mar 2011