$HES SEC Filings

Filing Filed On
PREC14A 07 Mar 2013
DFAN14A 06 Mar 2013
DFAN14A 04 Mar 2013
DEFA14A 04 Mar 2013
DEFA14A 04 Mar 2013
DEFA14A 04 Mar 2013
DEFA14A 04 Mar 2013
8-K 04 Mar 2013
DEFA14A 04 Mar 2013
DEFA14A 04 Mar 2013
FORM 10-K 28 Feb 2013
AMENDMENT NO. 11 TO SCHEDULE 13G 13 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 4 SUBMISSION 07 Feb 2013
FORM 144 04 Feb 2013
FORM 144 04 Feb 2013
FORM 144 04 Feb 2013
FORM 144 04 Feb 2013