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Filing Detail
Form SC TO-C - Written communication relating to an issuer or third party:
SEC Accession No. 0000950129-09-001182
Filing Date
2009-04-09
Accepted
2009-04-09 14:45:14
Documents
1

Document Format Files

Seq Description Document Type Size
1 PRELIMINARY COMMUNICATIONS h66397sctovc.htm SC TO-C 13820
  Complete submission text file 0000950129-09-001182.txt   16026
Mailing Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839
Business Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839 281.933.3339
ION GEOPHYSICAL CORP (Filed by) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC TO-C
SIC: 3829 Measuring & Controlling Devices, NEC

Mailing Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839
Business Address 2105 CITYWEST BLVD SUITE 400 HOUSTON TX 770422839 281.933.3339
ION GEOPHYSICAL CORP (Subject) CIK: 0000866609 (see all company filings)

IRS No.: 222286646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC TO-C | Act: 34 | File No.: 005-41602 | Film No.: 09742380
SIC: 3829 Measuring & Controlling Devices, NEC