Sheila M. Rodermund - Jul 8, 2022 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Role
EVP, Operations Optimization
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Stock symbol
IO
Transactions as of
Jul 8, 2022
Transactions value $
-$1,398
Form type
4
Date filed
7/12/2022, 06:37 PM
Previous filing
May 13, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability -$1.4K -9.99K -16.69% $0.14* 49.8K Jul 8, 2022 Direct F1
transaction IO Common Stock Other $0 -1.67K -3.35% $0.00 48.2K Jul 8, 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.