Dawson Walter
Related Filers (1)
Ownership (9)
4
Friday, 8/20/2010
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 8/19/2010
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/18/2010
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 8/12/2010
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 3/5/2010
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/16/2008
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/19/2007
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/15/2007
GRAN TIERRA ENERGY, INC.: Statement of changes in beneficial ownership of securities
3
Monday, 4/30/2007
GRAN TIERRA ENERGY, INC.: Initial statement of beneficial ownership of securities