MICHAEL L. MORRISON - 11 May 2022 Form 4 Insider Report for ION GEOPHYSICAL CORP

Role
EVP & CFO
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Issuer symbol
N/A
Transactions as of
11 May 2022
Net transactions value
-$2,423
Form type
4
Filing time
13 May 2022, 16:28:17 UTC
Previous filing
08 Mar 2022
Next filing
03 Nov 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability $2,423 -6,548 -5.3% $0.3700* 118,082 11 May 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.