$GPOR SEC Filings

Filing Filed On
SC 13G/A 10 Mar 2011
SC 13G/A 16 Feb 2010
FEBRUARY 16, 2010 16 Feb 2010
SC 13G/A 18 Feb 2009
FEBRUARY 17, 2009 17 Feb 2009
FEBRUARY 14, 2008 14 Feb 2008
SCHEDULE 13G/A 14 Feb 2008
AMENDMENT TO SCHEDULE 13G 15 Mar 2007
AMENDMENT TO SCHEDULE 13G 14 Feb 2007
FEBRUARY 14, 2007 14 Feb 2007
SCHEDULE 13G AMENDMENT NO. 3 15 May 2006
SC 13G/A 21 Feb 2006
FEBRUARY 14, 2006 15 Feb 2006
SC 13G/A 14 Feb 2006
SC 13G/A 06 Jul 2005
AMENDMENT TO SCHEDULE 13G 10 Mar 2005
SC 13G/A 03 Mar 2005
SC 13G/A 14 Feb 2005
AMENDMENT NO. 6 TO SCHEDULE 13G 12 Jul 2004
AMENDMENT NO. 5 TO SCHEDULE 13G 04 Feb 2004