0001209191-21-017183.txt : 20210303 0001209191-21-017183.hdr.sgml : 20210303 20210303180539 ACCESSION NUMBER: 0001209191-21-017183 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210301 FILED AS OF DATE: 20210303 DATE AS OF CHANGE: 20210303 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: SEITZ JOHN N CENTRAL INDEX KEY: 0001221972 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 21711043 MAIL ADDRESS: STREET 1: ION GEOPHYSICAL CORPORATION STREET 2: 2105 CITYWEST, BLDG 3, 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 2021-03-01 0 0000866609 ION GEOPHYSICAL CORP IO 0001221972 SEITZ JOHN N 2105 CITYWEST BOULEVARD SUITE 100 HOUSTON TX 77042-2855 1 0 0 0 Common Stock 2021-03-01 4 A 0 2500 0.00 A 26259 D Restricted stock award issued pursuant to the ION Geophysical Corporation Fourth Amended and Restated 2013 Long Term Incentive Plan. Award will vest 100% on March 1, 2022. /s/ Rebecca F. Sacco, attorney-in-fact 2021-03-03