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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001398344-19-001521
Filing Date
2019-01-31
Accepted
2019-01-31 10:31:29
Documents
1

Document Format Files

Seq Description Document Type Size
1 fp0039041_sc13ga.htm SC 13G/A 77899
  Complete submission text file 0001398344-19-001521.txt   79562
Mailing Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855
Business Address 2105 CITYWEST BLVD SUITE 100 HOUSTON TX 770422855 2819333339
ION GEOPHYSICAL CORP (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-41602 | Film No.: 19554054
SIC: 1382 Oil & Gas Field Exploration Services

Mailing Address 1185 AVENUE OF THE AMERICAS 39TH FLOOR NEW YORK NY 10036
Business Address 1185 AVENUE OF THE AMERICAS 39TH FLOOR NEW YORK NY 10036 212-702-5602
Wasserstein Debt Opportunities Management, L.P. (Filed by) CIK: 0001751492 (see all company filings)

IRS No.: 461832189 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A