$HE SEC Filings

Filing Filed On
8-K 25 Mar 2013
8-K 20 Mar 2013
8-K 14 Mar 2013
8-K 06 Mar 2013
8-K 04 Mar 2013
8-K 15 Feb 2013
8-K 30 Jan 2013
8-K 29 Jan 2013
8-K 29 Jan 2013
8-K 15 Jan 2013
8-K 04 Jan 2013
8-K 21 Dec 2012
8-K 08 Nov 2012
8-K 30 Oct 2012
8-K 02 Oct 2012
8-K 14 Sep 2012
8-K 17 Aug 2012
8-K 03 Aug 2012
8-K 30 Jul 2012
8-K 03 Jul 2012