Crowl Melody
Related Filers (1)
Ownership (12)
4
Tuesday, 8/7/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 6/11/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 2/16/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/8/2012
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 12/1/2011
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
Wednesday, 7/28/2010
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
Thursday, 12/4/2008
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
3
Friday, 10/6/2006
DAWSON GEOPHYSICAL CO: Initial statement of beneficial ownership of securities