0001437749-21-027893.txt : 20211203
0001437749-21-027893.hdr.sgml : 20211203
20211203181903
ACCESSION NUMBER: 0001437749-21-027893
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20211201
FILED AS OF DATE: 20211203
DATE AS OF CHANGE: 20211203
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: LAMBERT DALE J
CENTRAL INDEX KEY: 0001799422
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-12691
FILM NUMBER: 211471434
MAIL ADDRESS:
STREET 1: 2105 CITYWEST BLVD., SUITE 100
CITY: HOUSTON
STATE: TX
ZIP: 77042
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: ION GEOPHYSICAL CORP
CENTRAL INDEX KEY: 0000866609
STANDARD INDUSTRIAL CLASSIFICATION: OIL AND GAS FIELD EXPLORATION SERVICES [1382]
IRS NUMBER: 222286646
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 2105 CITYWEST BLVD
STREET 2: SUITE 100
CITY: HOUSTON
STATE: TX
ZIP: 770422855
BUSINESS PHONE: 2819333339
MAIL ADDRESS:
STREET 1: 2105 CITYWEST BLVD
STREET 2: SUITE 100
CITY: HOUSTON
STATE: TX
ZIP: 770422855
FORMER COMPANY:
FORMER CONFORMED NAME: INPUT OUTPUT INC
DATE OF NAME CHANGE: 19930328
4
1
rdgdoc.xml
FORM 4
X0306
4
2021-12-01
0000866609
ION GEOPHYSICAL CORP
IO
0001799422
LAMBERT DALE J
2105 CITYWEST BLVD., SUITE 100
HOUSTON
TX
77042
1
EVP, E&P Technology & Services
Common Stock
2021-12-01
4
F
0
5965
1.74
D
96351
D
These shares were not sold, but were withheld by ION Geophysical Corporation upon the vesting of restricted stock shares to satisfy tax withholding obligations.
/s/ Rebecca F. Sacco, attorney-in-fact
2021-12-03