$HES SEC Filings

Filing Filed On
SC 13G/A 13 Feb 2018
SC 13G/A 09 Feb 2018
SC 13G/A 08 Feb 2018
FEBRUARY 14, 2017 14 Feb 2017
AMENDMENT NO. 15 TO SCHEDULE 13G 13 Feb 2017
SC 13G/A 13 Feb 2017
SC 13G/A 24 Jan 2017
FEBRUARY 16, 2016 16 Feb 2016
AMENDMENT NO. 14 TO SCHEDULE 13G 12 Feb 2016
SC 13G/A 26 Jan 2016
FEBRUARY 17, 2015 17 Feb 2015
AMENDMENT NO. 13 TO SCHEDULE 13G 13 Feb 2015
AMENDMENT NO. 12 TO SCHEDULE 13 G 14 Feb 2014
SC 13G/A 07 Jun 2013
AMENDMENT NO. 11 TO SCHEDULE 13G 13 Feb 2013
SC 13G/A 12 Mar 2012
SCHEDULE 13G AMENDMENT NO. 10 14 Feb 2012
SC 13G/A 13 Feb 2012
SEC FILING 14 Feb 2011
SC 13G/A 11 Feb 2011