ION GEOPHYSICAL CORP: IO (NYSE)
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4 ION GEOPHYSICAL CORP(WILLIAMSON KEN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(USHER CHRISTOPHER THERON  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(SEELY JAMEY S  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(SCHWAUSCH SCOTT  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(HULME COLIN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(HANSON R BRIAN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(BATE STEVEN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(SEITZ JOHN N  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(NELSON S JAMES  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(MYERS FRANKLIN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(JENNINGS MICHAEL  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(HAO HUIMIN  03/03/15 (03/01/15) 
4 ION GEOPHYSICAL CORP(BARR DAVID H  03/03/15 (03/01/15) 
8-K ION GEOPHYSICAL CORP  03/03/15 (03/03/15) 
10-K ION GEOPHYSICAL CORP  02/17/15 (12/31/14) 
8-K ION GEOPHYSICAL CORP  02/12/15 (02/11/15) 
SC 13G ION GEOPHYSICAL CORP(VANGUARD GROUP INC  02/10/15 
SC 13G/A ION GEOPHYSICAL CORP(INVESCO LTD.  02/03/15 
SC 13G/A ION GEOPHYSICAL CORP(BLACKROCK INC.  01/26/15 
 
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Last Trade
Last Trade: 
$2.29  
Change: 
0.03 (1.33%)  
Trade Time: 
10:41 AM EST  
Market Cap: 
$376.67M

Company People
View Officers and Directors and Other Key Individuals Mentioned in ION GEOPHYSICAL CORP SEC Filings