$HUSA SEC Filings

Filing Filed On
PRIMARY DOCUMENT 15 Jun 2011
PRIMARY DOCUMENT 14 Jun 2011
PRIMARY DOCUMENT 14 Jun 2011
PRIMARY DOCUMENT 14 Jun 2011
PRIMARY DOCUMENT 12 May 2011
PRIMARY DOCUMENT 21 Mar 2011
PRIMARY DOCUMENT 21 Jun 2010
PRIMARY DOCUMENT 21 Jun 2010
PRIMARY DOCUMENT 21 Jun 2010
PRIMARY DOCUMENT 21 Jun 2010
PRIMARY DOCUMENT 12 Jun 2009
PRIMARY DOCUMENT 11 Jun 2009
PRIMARY DOCUMENT 11 Jun 2009
PRIMARY DOCUMENT 11 Jun 2009
PRIMARY DOCUMENT 11 Jun 2009
PRIMARY DOCUMENT 05 Jun 2008
FORM 4 04 Jun 2008
PRIMARY DOCUMENT 04 Jun 2008
PRIMARY DOCUMENT 23 Jul 2007
FORM 4 05 Jul 2007