0001209191-15-048689.txt : 20150602 0001209191-15-048689.hdr.sgml : 20150602 20150602111409 ACCESSION NUMBER: 0001209191-15-048689 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150601 FILED AS OF DATE: 20150602 DATE AS OF CHANGE: 20150602 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 400 CITY: HOUSTON STATE: TX ZIP: 770422839 BUSINESS PHONE: 281.933.3339 MAIL ADDRESS: STREET 1: 2105 CITYWEST BLVD STREET 2: SUITE 400 CITY: HOUSTON STATE: TX ZIP: 770422839 FORMER COMPANY: FORMER CONFORMED NAME: INPUT OUTPUT INC DATE OF NAME CHANGE: 19930328 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HULME COLIN CENTRAL INDEX KEY: 0001596114 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 15905806 MAIL ADDRESS: STREET 1: 2105 CITYWEST BOULEVARD, SUITE 400 CITY: HOUSTON STATE: TX ZIP: 77042 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2015-06-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001596114 HULME COLIN 2105 CITYWEST BOULEVARD SUITE 400 HOUSTON TX 77042 0 1 0 0 EVP, Ocean Bottom Services Common Stock 2015-06-01 4 F 0 1824 1.42 D 77078 D /s/ Rebecca F. Sacco, attorney-in-fact 2015-06-02