$HES SEC Filings

Filing Filed On
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 08 Mar 2012
FORM 4 SUBMISSION 07 Mar 2012
FORM 4 SUBMISSION 07 Mar 2012
FORM 144 06 Mar 2012
FORM 144 06 Mar 2012
FORM 4 SUBMISSION 27 Feb 2012
FORM S-3ASR 27 Feb 2012
FORM 10-K 27 Feb 2012
FORM 144 24 Feb 2012
FORM 4 SUBMISSION 15 Feb 2012
SCHEDULE 13G AMENDMENT NO. 10 14 Feb 2012
SC 13G/A 13 Feb 2012
FORM 4 SUBMISSION 10 Feb 2012
FORM 4 SUBMISSION 10 Feb 2012