Williamson Ken [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
05/11/2022	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	6.6k	$0.37	$2.5k	05/11/2022
12/01/2021	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	11.1k	$1.74	$19.4k	12/01/2021
05/11/2021	ION GEOPHYSICAL CORP	IO	Grant	Common Stock	61.5k	$0.00	$0	05/11/2021
04/19/2021	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	23.6k	$2.16	$50.9k	04/19/2021
12/31/2020	ION GEOPHYSICAL CORP	IO	Other (disposition)	Common Stock	533	$0.00	$0	12/31/2020
03/01/2019	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	2.3k	$13.16	$30.2k	03/01/2019
12/01/2018	ION GEOPHYSICAL CORP	IO	Grant	Common Stock	89.4k	$0.00	$0	12/01/2018
12/01/2018	ION GEOPHYSICAL CORP	IO	Grant	Stock Appreciation Right	95.4k	$8.85	$844.6k	12/01/2018
05/30/2018	ION GEOPHYSICAL CORP	IO	Payment of Exercise	New Common Stock	3.5k	$23.80	$82.8k	05/30/2018
03/01/2018	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	1.8k	$28.10	$50.6k	03/01/2018
03/01/2018	ION GEOPHYSICAL CORP	IO	Grant	Common Stock	8.8k	$0.00	$0	03/01/2018
12/15/2017	ION GEOPHYSICAL CORP	IO	Purchase	Common Stock	26k	$13.63	$354.3k	12/15/2017
12/15/2017	ION GEOPHYSICAL CORP	IO	Disposition	Common Stock	100k	$13.05	$1.3M	12/15/2017
12/15/2017	ION GEOPHYSICAL CORP	IO	Exercise	Stock Appreciation Right	100k	$3.10	$310k	12/15/2017
12/14/2017	ION GEOPHYSICAL CORP	IO	Purchase	Common Stock	18.2k	$13.05	$237.2k	12/14/2017
12/01/2012	ION GEOPHYSICAL CORP	IO	Grant	Common Stock	15k	$0.00	$0	12/01/2012
12/01/2012	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	1.3k	$5.96	$7.9k	12/01/2012
12/01/2012	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	529	$5.96	$3.2k	12/01/2012
12/01/2012	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	882	$5.96	$5.3k	12/01/2012
12/01/2011	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	353	$5.81	$2.1k	12/01/2011
12/01/2011	ION GEOPHYSICAL CORP	IO	Grant	Common Stock	15k	$0.00	$0	12/01/2011
12/01/2011	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	529	$5.81	$3.1k	12/01/2011
12/01/2011	ION GEOPHYSICAL CORP	IO	Payment of Exercise	Common Stock	882	$5.81	$5.1k	12/01/2011
12/01/2011	ION GEOPHYSICAL CORP	IO	Grant	Employee stock option (right to buy)	50k	$5.81	$290.5k	12/01/2011