PARDUE HOWELL W
Related Filers (1)
Ownership (16)
4
Friday, 3/23/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/9/2011
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 10/20/2009
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 10/5/2009
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/13/2008
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/3/2008
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4/A
Friday, 10/5/2007
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 5/21/2007
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 1/8/2007
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 10/6/2006
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 8/7/2006
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 6/20/2005
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 7/6/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 3/1/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
5
Monday, 3/1/2004
DAWSON GEOPHYSICAL CO: Annual statement of changes in beneficial ownership of securities
4
Monday, 1/6/2003
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities