Matthew Powers - Dec 1, 2021 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Stock symbol
IO
Transactions as of
Dec 1, 2021
Transactions value $
-$6,323
Form type
4
Date filed
12/3/2021, 05:10 PM
Previous filing
May 13, 2021
Next filing
May 13, 2022

Transactions Table

* An asterisk sign (*) next to the price indicates that the price is likely invalid.