Filing Details

Form Type:
4
Zero Holdings:
No
Publication Time:
2009-03-12 11:56:48
Reporting Period:
2009-03-10
Issuer
Cik Name Symbol Sector (SIC) IRS No
866609 Ion Geophysical Corp IO ()
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1250052 Thomas G Marsh 2105 Citywest Blvd.
Suite 400
Houston TX 77042-2839
Yes No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2009-03-12 49,000 $1.35 70,000 No 4 P Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Direct