$HES SEC Filings

Filing Filed On
FORM 144 04 Feb 2013
FORM 144 28 Jan 2013
FORM 144 28 Dec 2012
FORM 144 06 Mar 2012
FORM 144 06 Mar 2012
FORM 144 24 Feb 2012
FORM 144 09 Feb 2012
FORM 144 30 Jun 2011
FORM 144 06 Jun 2011
FORM 144 28 Mar 2011
FORM 144 22 Mar 2011
FORM 144 10 Mar 2011
FORM 144 10 Mar 2011
FORM 144 08 Mar 2011
FORM 144 08 Mar 2011
FORM 144 28 Feb 2011
FORM 144 22 Feb 2011
FORM 144 08 Feb 2011
FORM 144 08 Feb 2011
FORM 144 08 Feb 2011