ROLAND DAVID L

Related Filers (2)

Ownership (51)

4
Friday, 1/19/2024
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/17/2024
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/1/2023
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/16/2023
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 1/20/2023
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/16/2022
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/6/2022
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 5/16/2022
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
3
Tuesday, 4/5/2022
DIAMOND OFFSHORE DRILLING, INC.: Initial statement of beneficial ownership of securities
4
Monday, 6/29/2020
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/5/2020
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 4/3/2020
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/17/2020
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Friday, 2/14/2020
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 4/3/2019
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 2/11/2019
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/1/2018
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/3/2018
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Monday, 2/12/2018
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/4/2017
DIAMOND OFFSHORE DRILLING, INC.: Statement of changes in beneficial ownership of securities
4
Tuesday, 4/5/2016
DIAMOND OFFSHORE DRILLING INC: Statement of changes in beneficial ownership of securities
4
Friday, 4/3/2015
DIAMOND OFFSHORE DRILLING INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/6/2015
DIAMOND OFFSHORE DRILLING INC: Statement of changes in beneficial ownership of securities
4
Friday, 10/3/2014
DIAMOND OFFSHORE DRILLING INC: Statement of changes in beneficial ownership of securities
3
Thursday, 9/11/2014
DIAMOND OFFSHORE DRILLING INC: Initial statement of beneficial ownership of securities
4
Tuesday, 9/2/2014
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
Friday, 12/13/2013
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
Tuesday, 9/6/2011
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 2/23/2011
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 12/3/2010
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/1/2010
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/12/2010
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 11/9/2010
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/2/2009
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/4/2009
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 12/3/2008
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 9/4/2008
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/22/2008
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/4/2007
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/15/2007
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 9/5/2007
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/5/2006
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Thursday, 8/4/2005
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Friday, 9/3/2004
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
3/A
Thursday, 4/29/2004
INPUT OUTPUT INC: Initial statement of beneficial ownership of securities
3
Monday, 4/26/2004
INPUT OUTPUT INC: Initial statement of beneficial ownership of securities
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