$HE SEC Filings

Filing Filed On
PRIMARY DOCUMENT 10 Feb 2014
PRIMARY DOCUMENT 10 Feb 2014
PRIMARY DOCUMENT 07 Feb 2014
PRIMARY DOCUMENT 07 Feb 2014
PRIMARY DOCUMENT 07 Feb 2014
PRIMARY DOCUMENT 07 Feb 2014
PRIMARY DOCUMENT 07 Feb 2014
8-K 30 Jan 2014
8-K 23 Jan 2014
PRIMARY DOCUMENT 07 Jan 2014
PRIMARY DOCUMENT 02 Jan 2014
8-K 20 Dec 2013
PRIMARY DOCUMENT 04 Dec 2013
PRIMARY DOCUMENT 04 Dec 2013
PRIMARY DOCUMENT 25 Nov 2013
PRIMARY DOCUMENT 14 Nov 2013
10-Q 07 Nov 2013
8-K 07 Nov 2013
8-K 30 Oct 2013
8-K 08 Oct 2013