$HES SEC Filings

Filing Filed On
DFAN14A 13 May 2013
DEFA14A 13 May 2013
DEFA14A 13 May 2013
DFAN14A 10 May 2013
DFAN14A 10 May 2013
DEFA14A 10 May 2013
FORM 10-Q 09 May 2013
DEFA14A 08 May 2013
DFAN14A 07 May 2013
DEFA14A 06 May 2013
DEFA14A 06 May 2013
DEFA14A 06 May 2013
DEFA14A 06 May 2013
DFAN14A 03 May 2013
DEFA14A 03 May 2013
DFAN14A 03 May 2013
DEFA14A 02 May 2013
DFAN14A 02 May 2013
DFAN14A 02 May 2013
DEFA14A 02 May 2013