SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0000867262-09-000007
Filing Date
2009-05-08
Accepted
2009-05-08 15:32:13
Documents
1

Document Format Files

Seq Description Document Type Size
1 GW CAPITAL, INC. 13G IO gwc13g1.txt SC 13G 930
  Complete submission text file 0000867262-09-000007.txt   2928
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 13G | Act: 34 | File No.: 005-41602 | Film No.: 09810303
SIC: 3829 Measuring & Controlling Devices, NEC

Mailing Address 10900 NE 8TH ST #1010 BELLEVUE WA 98004
Business Address 10900 NE EIGHTH ST STE 1010 BELLEVUE WA 98004-4405 4254554551
GW CAPITAL INC (Filed by) CIK: 0000867262 (see all company filings)

IRS No.: 680204817 | State of Incorp.: WA | Fiscal Year End: 1231
Type: SC 13G