HOOVER GARY M

Related Filers (2)

Ownership (33)

4
Thursday, 1/2/2020
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/1/2019
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 7/1/2019
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/2/2019
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Thursday, 1/3/2019
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/2/2018
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 7/2/2018
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 4/2/2018
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/2/2018
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/3/2017
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2017
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Monday, 4/3/2017
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/3/2017
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 10/4/2016
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Friday, 7/1/2016
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/13/2016
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4/A
Thursday, 12/3/2015
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/2/2015
DAWSON GEOPHYSICAL CO: Statement of changes in beneficial ownership of securities
3
Thursday, 2/12/2015
DAWSON GEOPHYSICAL CO: Initial statement of beneficial ownership of securities
4
Thursday, 2/12/2015
DAWSON OPERATING CO: Statement of changes in beneficial ownership of securities
4
Thursday, 2/12/2015
DAWSON GEOPHYSICAL 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, 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
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, 12/14/2007
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
3
Monday, 3/29/2004
DAWSON GEOPHYSICAL CO: Initial statement of beneficial ownership of securities
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