0001209191-17-066223.txt : 20171218 0001209191-17-066223.hdr.sgml : 20171218 20171218194211 ACCESSION NUMBER: 0001209191-17-066223 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171214 FILED AS OF DATE: 20171218 DATE AS OF CHANGE: 20171218 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: POWERS MATTHEW R CENTRAL INDEX KEY: 0001716798 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 171262575 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: 281.933.3339 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 2017-12-14 0 0000866609 ION GEOPHYSICAL CORP IO 0001716798 POWERS MATTHEW R 2105 CITYWEST BLVD., SUITE 100 HOUSTON TX 77042 0 1 0 0 EVP, Gen Coun & Corp Secy Common Stock 2017-12-14 4 P 0 1212 13.05 A 15494 D Rebecca F. Sacco, attorney-in-fact 2017-12-18