$HES
Market Cap:
$HES SEC Filings
| Filing | Filed On |
|---|---|
| DEFA14A | 04 Mar 2013 |
| DEFA14A | 04 Mar 2013 |
| DEFA14A | 04 Mar 2013 |
| DEFINITIVE ADDITIONAL MATERIALS | 17 Apr 2012 |
| DEFINITIVE ADDITIONAL MATERIALS | 23 Mar 2012 |
| DEFA14A | 25 Mar 2011 |
| DEFA14A | 21 Apr 2010 |
| NOTICE OF INTERNET ACCESS | 25 Mar 2010 |
