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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-027902
Filing Date
2021-04-21
Accepted
2021-04-21 21:32:32
Documents
1
Period of Report
2021-04-19

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 3392
  Complete submission text file 0001209191-21-027902.txt   4867
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 2819333339
ION GEOPHYSICAL CORP (Issuer) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 1382 Oil & Gas Field Exploration Services
Office of Energy & Transportation

Mailing Address 2105 CITYWEST BLVD. SUITE 100 HOUSTON TX 77042-2855
Business Address
Williamson Ken (Reporting) CIK: 0001507574 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-12691 | Film No.: 21843047