ShaoHua Zhang - 01 Mar 2022 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Role
Director
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Issuer symbol
IO
Transactions as of
01 Mar 2022
Net transactions value
-$435
Form type
4
Filing time
03 Mar 2022, 17:15:31 UTC
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability $435 -750 -26% $0.5800* 2,123 01 Mar 2022 Direct F1
transaction IO Common Stock Award $0 +2,500 +118% $0.000000 4,623 01 Mar 2022 Direct F2
* 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.
F2 Restricted stock award issued pursuant to the ION Geophysical Corporation Fourth Amended and Restated 2013 Long Term Incentive Plan. Award will vest 100% on March 1, 2023.