SEITZ JOHN N

Related Filers (5)

Ownership (57)

4
Thursday, 3/3/2022
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
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, 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, 12/23/2014
GULFSLOPE ENERGY, INC.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/8/2014
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2014
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
SC 13D
Friday, 2/14/2014
GULFSLOPE ENERGY, INC.: Major Shareholders
4
Monday, 1/6/2014
ENDEAVOUR INTERNATIONAL 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
5
Tuesday, 10/29/2013
GULFSLOPE ENERGY, INC.: Annual statement of changes in beneficial ownership of securities
4
Friday, 9/13/2013
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 8/2/2013
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 7/29/2013
GULFSLOPE ENERGY, INC.: Statement of changes in beneficial ownership of securities
3
Thursday, 3/28/2013
GULFSLOPE ENERGY, INC.: Initial statement of beneficial ownership of securities
4
Thursday, 1/3/2013
ENDEAVOUR INTERNATIONAL 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
Wednesday, 1/4/2012
ENDEAVOUR INTERNATIONAL 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/A
Tuesday, 11/22/2011
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
3
Tuesday, 11/22/2011
Gulf United Energy, Inc.: Initial statement of beneficial ownership of securities
4
Thursday, 11/10/2011
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 3/2/2011
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/4/2011
ENDEAVOUR INTERNATIONAL 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, 3/3/2010
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Friday, 2/5/2010
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Monday, 1/4/2010
ENDEAVOUR INTERNATIONAL 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
Tuesday, 12/1/2009
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/6/2009
ENDEAVOUR INTERNATIONAL 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
Monday, 11/24/2008
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/21/2008
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Friday, 11/21/2008
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 11/20/2008
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/3/2008
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/4/2008
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Monday, 12/10/2007
ION GEOPHYSICAL CORP: Statement of changes in beneficial ownership of securities
4
Tuesday, 9/18/2007
Constellation Energy Partners LLC: Statement of changes in beneficial ownership of securities
4
Tuesday, 12/5/2006
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
SC 13D
Tuesday, 11/28/2006
ENDEAVOUR INTERNATIONAL CORP: Major Shareholders
3
Tuesday, 11/14/2006
Constellation Energy Partners LLC: Initial statement of beneficial ownership of securities
4
Wednesday, 8/30/2006
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Thursday, 1/5/2006
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/2/2005
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/11/2005
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/5/2005
ENDEAVOUR INTERNATIONAL CORP: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/3/2004
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
3
Monday, 3/8/2004
ENDEAVOUR INTERNATIONAL CORP: Initial statement of beneficial ownership of securities
4
Thursday, 11/6/2003
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/13/2003
INPUT OUTPUT INC: Statement of changes in beneficial ownership of securities
3
Wednesday, 8/6/2003
INPUT OUTPUT INC: Initial statement of beneficial ownership of securities
Show More