Sheila M. Rodermund - 08 Jul 2022 Form 4 Insider Report for ION GEOPHYSICAL CORP

Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Issuer symbol
N/A
Transactions as of
08 Jul 2022
Net transactions value
-$1,398
Form type
4
Filing time
12 Jul 2022, 18:37:15 UTC
Previous filing
13 May 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability $1,398 -9,985 -17% $0.1400* 49,847 08 Jul 2022 Direct F1
transaction IO Common Stock Other $0 -1,668 -3.3% $0.000000 48,179 08 Jul 2022 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Sheila M. Rodermund is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

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.
F2 Shares expired/forfeited due to termination.