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Consulting agrmnt
ION GEOPHYSICAL CORP (IO) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/14/2022 SC 13G Footprints Asset Management & Research reports a 3.7% stake in Ion Geophysical Corp.
02/19/2021 SC 13G SABBY MANAGEMENT, LLC reports a 5.6% stake in Ion Geophysical Corp.
02/19/2021 SC 13G Empery Asset Management, LP reports a 5.6% stake in ION Geophysical Corporation
02/14/2020 SC 13G Footprints Asset Management & Research reports a 7.2% stake in Ion Geophysical Corp.
02/14/2019 SC 13G Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
02/14/2019 SC 13G Footprints Asset Management & Research reports a 4.8% stake in Ion Geophysical Corp.
02/12/2019 SC 13G Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
10/26/2018 SC 13G Wasserstein Debt Opportunities Management, L.P. reports a 5.2% stake in ION Geophysical Corporation
08/20/2018 SC 13G Bagaria Rajay reports a 5% stake in ION Geophysical Corporation
02/22/2018 SC 13G Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
01/05/2017 SC 13G Footprints Asset Management & Research reports a 6% stake in Ion Geophysical Corp.
05/11/2012 SC 13G Form SC 13G - Statement of acquisition of beneficial ownership by individuals
02/14/2012 SC 13G ION GEOPHYSICAL CORP reports a 6.6% stake in Ion Geophysical Corporation
02/14/2011 SC 13G ION GEOPHYSICAL CORP reports a 8.9% stake in ION GEOPHYSICAL CORP
04/01/2010 SC 13G BGP Inc., China National Petroleum Corp reports a 16.6% stake in ION Geophysical Corporation
01/08/2010 SC 13G Form SC 13G - Statement of acquisition of beneficial ownership by individuals
08/07/2009 SC 13G GW CAPITAL INC has filed a Schedule 13D for ION GEOPHYSICAL CORP
05/08/2009 SC 13G GW CAPITAL INC has filed a Schedule 13D for ION GEOPHYSICAL CORP

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