$HES SEC Filings

Filing Filed On
DEFA14A 08 May 2024
DEFA14A 05 Apr 2024
DEFA14A 06 Apr 2023
DEFA14A 14 Apr 2022
DEFA14A 23 Apr 2021
DEFA14A 24 Apr 2020
DEFA14A 25 Apr 2019
DEFA14A 27 Apr 2018
DEFA14A 28 Apr 2017
DEFA14A 24 Mar 2016
DEFINITIVE ADDITIONAL MATERIALS 27 Apr 2015
DEFA14A 27 Mar 2014
DEFA14A 16 May 2013
DEFA14A 13 May 2013
DEFA14A 13 May 2013
DEFA14A 10 May 2013
DEFA14A 08 May 2013
DEFA14A 06 May 2013
DEFA14A 06 May 2013
DEFA14A 06 May 2013