Michael L. Morrison - Dec 1, 2021 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Role
EVP &CFO
Signature
/s/ Rebecca F. Sacco, Attorney-in-Fact
Stock symbol
IO
Transactions as of
Dec 1, 2021
Transactions value $
-$1,359
Form type
4
Date filed
12/3/2021, 05:17 PM
Previous filing
May 13, 2021
Next filing
Mar 8, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability -$1.36K -781 -0.6% $1.74 129K Dec 1, 2021 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.