Dale J. Lambert - 01 Dec 2021 Form 4 Insider Report for ION GEOPHYSICAL CORP

Role
EVP, E&P Technology & Services
Signature
/s/ Rebecca F. Sacco, attorney-in-fact
Issuer symbol
N/A
Transactions as of
01 Dec 2021
Net transactions value
-$10,379
Form type
4
Filing time
03 Dec 2021, 17:19:03 UTC
Previous filing
13 May 2021
Next filing
13 May 2022
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 $10,379 -5,965 -5.8% $1.74* 96,351 01 Dec 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.