Ken Williamson is EVP, Innov & Strat Mktg of ION GEOPHYSICAL CORP. Currently has a direct ownership of 184,258 shares of IOGPQ, which is worth approximately $0. The most recent transaction as insider was on Dec 01, 2011, when has been sold 1,764 shares (Common Stock) at a price of $5.81 per share, resulting in proceeds of $10,249. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 184K
0% 3M change
0% 12M change
Total Value Held $0

Ken Williamson Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 01 2011
SELL
Payment of exercise price or tax liability
$10,249 $5.81 p/Share
1,764 Reduced 2.38%
72,414 Common Stock
Dec 01 2011
BUY
Grant, award, or other acquisition
-
15,000 Added 16.82%
74,178 Common Stock
KW

Ken Williamson

EVP, Innov & Strat Mktg
Houston, TX

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