Christopher Theron Usher - Sep 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
Sep 1, 2021
Transactions value $
-$22,349
Form type
4
Date filed
9/3/2021, 05:37 PM
Previous filing
May 13, 2021
Next filing
Dec 3, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction IO Common Stock Tax liability -$22.3K -17.3K -4.71% $1.29* 350K Sep 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.