ION GEOPHYSICAL CORP: IO (NYSE)
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SD ION GEOPHYSICAL CORP  05/23/16 
8-K ION GEOPHYSICAL CORP  05/18/16 (05/18/16) 
10-Q ION GEOPHYSICAL CORP  05/05/16 (03/31/16) 
8-K ION GEOPHYSICAL CORP  05/05/16 (05/05/16) 
D ION GEOPHYSICAL CORP  05/03/16 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  04/29/16 (04/28/16) 
8-K ION GEOPHYSICAL CORP  04/28/16 (04/28/16) 
8-K ION GEOPHYSICAL CORP  04/22/16 (04/20/16) 
DEF 14A ION GEOPHYSICAL CORP  04/14/16 (05/18/16) 
8-K ION GEOPHYSICAL CORP  04/12/16 (04/12/16) 
8-K ION GEOPHYSICAL CORP  03/28/16 (03/28/16) 
4 ION GEOPHYSICAL CORP(USHER CHRISTOPHER THERON  03/17/16 (03/15/16) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  03/16/16 (03/15/16) 
4 ION GEOPHYSICAL CORP(SEELY JAMEY S  03/15/16 (03/15/16) 
4 ION GEOPHYSICAL CORP(SEELY JAMEY S  03/14/16 (03/10/16) 
4 ION GEOPHYSICAL CORP(HULME COLIN  03/11/16 (03/09/16) 
8-K ION GEOPHYSICAL CORP  03/04/16 (03/04/16) 
4 ION GEOPHYSICAL CORP(SEITZ JOHN N  03/03/16 (03/01/16) 
4 ION GEOPHYSICAL CORP(NELSON S JAMES  03/03/16 (03/01/16) 
4 ION GEOPHYSICAL CORP(HAO HUIMIN  03/03/16 (03/01/16) 
 
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Last Trade
Last Trade: 
$7.21  
Change: 
0.14 (1.98%)  
Trade Time: 
May 27  
Market Cap: 
$86.71M
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