BURKHARDT DEAN A

Related Filers (1)

Ownership (26)

4
Tuesday, 6/2/2020
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/20/2019
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 5/21/2018
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/19/2017
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/20/2016
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/4/2016
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/26/2015
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/15/2014
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Friday, 5/16/2014
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/22/2013
PIONEER ENERGY SERVICES CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 6/14/2012
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Monday, 5/14/2012
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/17/2011
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/18/2010
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Thursday, 5/13/2010
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4/A
Friday, 9/25/2009
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Monday, 5/18/2009
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/17/2009
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/18/2008
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/2/2008
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/20/2007
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Friday, 6/16/2006
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Thursday, 6/16/2005
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Monday, 12/6/2004
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/16/2004
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/24/2003
PIONEER DRILLING CO: Statement of changes in beneficial ownership of securities
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