0001209191-21-027893.txt : 20210421
0001209191-21-027893.hdr.sgml : 20210421
20210421210204
ACCESSION NUMBER: 0001209191-21-027893
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210419
FILED AS OF DATE: 20210421
DATE AS OF CHANGE: 20210421
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: 21842971
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
doc4.xml
FORM 4 SUBMISSION
X0306
4
2021-04-19
0
0000866609
ION GEOPHYSICAL CORP
IO
0001799422
LAMBERT DALE J
2105 CITYWEST BLVD., SUITE 100
HOUSTON
TX
77042
0
1
0
0
EVP, E&P Technology & Services
Common Stock
2021-04-19
4
F
0
5209
2.16
D
40816
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
2021-04-21