<SEC-DOCUMENT>0000866609-20-000025-index.html : 20200409 <SEC-HEADER>0000866609-20-000025.hdr.sgml : 20200409 <ACCEPTANCE-DATETIME>20200409170959 ACCESSION NUMBER: 0000866609-20-000025 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20200409 ITEM INFORMATION: Entry into a Material Definitive Agreement ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20200409 DATE AS OF CHANGE: 20200409 FILER: 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 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 001-12691 FILM NUMBER: 20785248 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 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>a8-kionsettlementwithwg.htm <DESCRIPTION>8-K ION SETTLEMENT WITH WG <TEXT> Document 1 - file: a8-kionsettlementwithwg.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>exhibit991prionsettlementw.htm <DESCRIPTION>EXHIBIT 99.1 ION SETTLEMENT WITH WG <TEXT> Document 2 - file: exhibit991prionsettlementw.htm
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