0001209191-21-054843.txt : 20210903
0001209191-21-054843.hdr.sgml : 20210903
20210903173740
ACCESSION NUMBER: 0001209191-21-054843
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20210901
FILED AS OF DATE: 20210903
DATE AS OF CHANGE: 20210903
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Usher Christopher Theron
CENTRAL INDEX KEY: 0001481492
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-12691
FILM NUMBER: 211237600
MAIL ADDRESS:
STREET 1: 2105 CITYWEST BLVD.
STREET 2: SUITE 100
CITY: HOUSTON
STATE: TX
ZIP: 77042-2855
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
2021-09-01
0
0000866609
ION GEOPHYSICAL CORP
IO
0001481492
Usher Christopher Theron
2105 CITYWEST BOULEVARD
SUITE 100
HOUSTON
TX
77042-2855
1
1
0
0
President & CEO
Common Stock
2021-09-01
4
F
0
17325
1.29
D
350388
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
2021-09-03