$HE SEC Filings

Filing Filed On
PRIMARY DOCUMENT 25 Feb 2013
PRIMARY DOCUMENT 22 Feb 2013
PRIMARY DOCUMENT 22 Feb 2013
PRIMARY DOCUMENT 22 Feb 2013
PRIMARY DOCUMENT 22 Feb 2013
PRIMARY DOCUMENT 22 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 08 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 06 Feb 2013
PRIMARY DOCUMENT 02 Jan 2013
PRIMARY DOCUMENT 17 Dec 2012