$HES SEC Filings

Filing Filed On
DFAN14A 11 Apr 2013
DEFA14A 04 Apr 2013
DEFA14A 04 Apr 2013
DFAN14A 04 Apr 2013
DEFC14A 03 Apr 2013
PRRN14A 29 Mar 2013
FORM 4 SUBMISSION 28 Mar 2013
UPLOAD 28 Mar 2013
DEFA14A 26 Mar 2013
DFAN14A 26 Mar 2013
DEFA14A 26 Mar 2013
DEFC14A 21 Mar 2013
DFAN14A 21 Mar 2013
PREC14A 20 Mar 2013
DFAN14A 13 Mar 2013
DFAN14A 13 Mar 2013
DEFINITIVE ADDITIONAL MATERIALS 11 Mar 2013
CURRENT REPORT 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013
FORM 4 SUBMISSION 08 Mar 2013