$ SC 13G/A SEC Filings

Filed On	Filing
10 Feb 2022	SC 13G/A
13 Jan 2022	ION GEOPHYSICAL CORP
04 Jan 2022	SABBY 13G-A IO 1.03.22
11 Feb 2021	SC 13G/A
14 Feb 2020	SC 13G/A
13 Feb 2020	SC 13G/A
31 Jan 2019	SEC SCHEDULE 13G
31 Jan 2019	SC 13G/A
31 Jan 2019	SC 13G/A
15 Jan 2019	ION GEOPHYSICAL CORPORATION
12 Feb 2018	SEC SCHEDULE 13G
10 Jan 2017	SEC SCHEDULE 13G
10 Feb 2016	SC 13G/A
05 Feb 2016	SEC SCHEDULE 13G
10 Dec 2015	SC 13G/A
03 Feb 2015	ION GEOPHYSICAL CORPORATION 12312014
26 Jan 2015	SC 13G/A
11 Mar 2014	SC 13G/A
10 Mar 2014	SC 13G/A
14 Feb 2014	DISCLOSURE DOCUMENT