THOMPSON TIM C
Related Filers (1)
Ownership (18)
4
Thursday, 2/12/2015
DAWSON OPERATING CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/3/2014
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 11/25/2013
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/5/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 8/24/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 12/2/2011
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 12/2/2010
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 8/30/2010
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/2/2009
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 12/4/2008
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 3/14/2008
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 12/14/2007
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/8/2007
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 12/18/2006
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 12/12/2005
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 11/15/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 3/25/2004
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 1/6/2003
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities