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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001209191-21-017166
Filing Date
2021-03-03
Accepted
2021-03-03 17:59:37
Documents
1
Period of Report
2021-03-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 3309
  Complete submission text file 0001209191-21-017166.txt   4657
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

Mailing Address
Business Address
BARR DAVID H (Reporting) CIK: 0001158640 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-12691 | Film No.: 21710979