BARR DAVID H
Related Filers (2)
Ownership (47)
4
Wednesday, 3/3/2021
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2020
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/5/2019
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/2/2018
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 3/3/2017
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 6/2/2016
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2016
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2015
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2014
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/3/2013
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/4/2012
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 12/5/2011
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2011
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
3
Tuesday, 12/7/2010
ION GEOPHYSICAL CORP: Initial statement of beneficial ownership of securities
4
Friday, 5/1/2009
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/3/2009
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/27/2009
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/23/2009
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/13/2008
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/4/2008
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Monday, 3/3/2008
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/29/2008
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/25/2008
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 7/27/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/6/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 3/1/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/26/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4/A
Tuesday, 1/9/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 1/4/2007
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/19/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/20/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/22/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Monday, 7/31/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/20/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 6/21/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Monday, 5/22/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/21/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/27/2006
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 7/29/2005
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/1/2005
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/28/2005
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Monday, 11/29/2004
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Thursday, 7/29/2004
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/3/2004
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Monday, 2/2/2004
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Friday, 1/30/2004
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/23/2003
BAKER HUGHES INC: Statement of changes in beneficial ownership of securities