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Williamson Ken

DateNameSymbolTypeSecuritySharesPriceValueOwnershipReported
05/11/2022ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock6.6k$0.37$2.5k 05/11/2022
12/01/2021ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock11.1k$1.74$19.4k 12/01/2021
05/11/2021ION GEOPHYSICAL CORPIOGrantCommon Stock61.5k$0.00$0 05/11/2021
04/19/2021ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock23.6k$2.16$50.9k 04/19/2021
12/31/2020ION GEOPHYSICAL CORPIOOther (disposition)Common Stock533$0.00$0 12/31/2020
03/01/2019ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock2.3k$13.16$30.2k 03/01/2019
12/01/2018ION GEOPHYSICAL CORPIOGrantCommon Stock89.4k$0.00$0 12/01/2018
12/01/2018ION GEOPHYSICAL CORPIOGrantStock Appreciation Right95.4k$8.85$844.6k 12/01/2018
05/30/2018ION GEOPHYSICAL CORPIOPayment of ExerciseNew Common Stock3.5k$23.80$82.8k 05/30/2018
03/01/2018ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock1.8k$28.10$50.6k 03/01/2018
03/01/2018ION GEOPHYSICAL CORPIOGrantCommon Stock8.8k$0.00$0 03/01/2018
12/15/2017ION GEOPHYSICAL CORPIOPurchaseCommon Stock26k$13.63$354.3k 12/15/2017
12/15/2017ION GEOPHYSICAL CORPIODispositionCommon Stock100k$13.05$1.3M 12/15/2017
12/15/2017ION GEOPHYSICAL CORPIOExerciseStock Appreciation Right100k$3.10$310k 12/15/2017
12/14/2017ION GEOPHYSICAL CORPIOPurchaseCommon Stock18.2k$13.05$237.2k 12/14/2017
12/01/2012ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock1.3k$5.96$7.9k 12/01/2012
12/01/2012ION GEOPHYSICAL CORPIOGrantCommon Stock15k$0.00$0 12/01/2012
12/01/2012ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock529$5.96$3.2k 12/01/2012
12/01/2012ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock882$5.96$5.3k 12/01/2012
12/01/2011ION GEOPHYSICAL CORPIOGrantCommon Stock15k$0.00$0 12/01/2011
12/01/2011ION GEOPHYSICAL CORPIOGrantEmployee stock option (right to buy)50k$5.81$290.5k 12/01/2011
12/01/2011ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock353$5.81$2.1k 12/01/2011
12/01/2011ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock529$5.81$3.1k 12/01/2011
12/01/2011ION GEOPHYSICAL CORPIOPayment of ExerciseCommon Stock882$5.81$5.1k 12/01/2011

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