$HES
Market Cap:
$HES SEC Filings
| Filing | Filed On |
|---|---|
| PROSPECTUS SUPPLEMENT | 20 Sep 2016 |
| PRELIMINARY PROSPECTUS SUPPLEMENT | 19 Sep 2016 |
| PRELIMINARY PROSPECTUS SUPPLEMENT | 04 Feb 2016 |
| PRELIMINARY PROSPECTUS SUPPLEMENT | 04 Feb 2016 |
| 424B5 | 20 Jun 2014 |
| 424B5 | 19 Jun 2014 |
| 424B5 | 06 Aug 2010 |
| 424B5 | 05 Aug 2010 |
| 424B5 | 10 Dec 2009 |
| 424B5 | 09 Dec 2009 |
| PROSPECTUS SUPPLEMENT | 30 Jan 2009 |
| 424(B)(5) | 29 Jan 2009 |
| FINAL PROSPECTUS SUPPLEMENT | 30 Sep 1999 |
| PROSPECTUS SUPPLEMENT | 21 Sep 1999 |
