G Thomas Marsh is Director of ION GEOPHYSICAL CORP. Currently has a direct ownership of 94,000 shares of IOGPQ, which is worth approximately $0. The most recent transaction as insider was on Dec 01, 2010, when has been sold 12,000 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 94K
0% 3M change
0% 12M change
Total Value Held $0

G THOMAS MARSH Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 01 2010
BUY
Grant, award, or other acquisition
-
12,000 Added 11.32%
94,000 Common Stock
Dec 01 2009
BUY
Grant, award, or other acquisition
-
12,000 Added 12.77%
82,000 Common Stock
Mar 12 2009
BUY
Open market or private purchase
$66,150 $1.35 p/Share
49,000 Added 41.18%
70,000 Common Stock
Mar 10 2009
BUY
Open market or private purchase
$1,300 $1.3 p/Share
1,000 Added 4.55%
21,000 Common Stock
Mar 02 2009
BUY
Grant, award, or other acquisition
-
20,000 Added 50.0%
20,000 Common Stock
GTM

G Thomas Marsh

Director
Houston, TX

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