Dale J. Lambert - Jul 8, 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
Jul 8, 2022
Transactions value $
-$1,628
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 -$1.63K -11.6K -12.84% $0.14* 78.9K Jul 8, 2022 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Dale J. Lambert 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.