Dale J. Lambert - May 11, 2022 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Role
EVP, E&P Technology & Services
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Stock symbol
IO
Transactions as of
May 11, 2022
Transactions value $
-$2,150
Form type
4
Date filed
5/13/2022, 04:40 PM
Previous filing
Dec 3, 2021
Next filing
Jul 12, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability -$2.15K -5.81K -6.03% $0.37* 90.5K May 11, 2022 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.