Christopher Theron Usher - Dec 1, 2021 Form 4 Insider Report for ION GEOPHYSICAL CORP (IO)

Role
President & CEO, Director
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Stock symbol
IO
Transactions as of
Dec 1, 2021
Transactions value $
-$15,032
Form type
4
Date filed
12/3/2021, 05:05 PM
Previous filing
Sep 3, 2021
Next 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 -$15K -8.64K -2.47% $1.74* 342K 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.