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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000357235-08-000139
Filing Date
2008-02-14
Accepted
2008-02-14 09:18:38
Documents
1

Document Format Files

Seq Description Document Type Size
1 ION GEOPHYSICAL iongeophysical.txt SC 13G 4736
  Complete submission text file 0000357235-08-000139.txt   6777
Mailing Address 2101 CITYWEST BLVD BUILDING III, SUITE 400 HOUSTON TX 77042
Business Address 2101 CITYWEST BLVD BUILDING III, SUITE 400 HOUSTON TX 77042 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 13G | Act: 34 | File No.: 005-41602 | Film No.: 08608755
SIC: 3829 Measuring & Controlling Devices, NEC

Mailing Address 399 PARK AVENUE NEW YORK NY 10022
Business Address 399 PARK AVENUE NEW YORK NY 10022 800-691-6959
Clearbridge Advisors, LLC (Filed by) CIK: 0001348883 (see all company filings)

IRS No.: 010846058
Type: SC 13G