HOUGHTON JAMES L
Related Filers (1)
Ownership (12)
4
Thursday, 9/8/2005
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Friday, 5/13/2005
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/23/2005
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Thursday, 10/7/2004
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Thursday, 10/7/2004
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Monday, 5/17/2004
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2004
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Monday, 12/15/2003
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Thursday, 12/11/2003
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/25/2003
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Monday, 11/10/2003
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities
4
Friday, 5/30/2003
PIONEER NATURAL RESOURCES CO: Statement of changes in beneficial ownership of securities