ION GEOPHYSICAL CORP: IO (NYSE)
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8-K ION GEOPHYSICAL CORP  05/18/17 (05/18/17) 
8-K ION GEOPHYSICAL CORP  05/17/17 (05/17/17) 
10-Q ION GEOPHYSICAL CORP  05/04/17 (03/31/17) 
8-K ION GEOPHYSICAL CORP  05/04/17 (05/04/17) 
8-K ION GEOPHYSICAL CORP  05/02/17 (05/02/17) 
DEF 14A ION GEOPHYSICAL CORP  04/13/17 (05/17/17) 
4 ION GEOPHYSICAL CORP(USHER CHRISTOPHER THERON  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(SEITZ JOHN N  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(SEELY JAMEY S  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(NELSON S JAMES  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(MYERS FRANKLIN  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(JENNINGS MICHAEL  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(HAO HUIMIN  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(HANSON R BRIAN  03/03/17 (03/01/17) 
4 ION GEOPHYSICAL CORP(BARR DAVID H  03/03/17 (03/01/17) 
10-K ION GEOPHYSICAL CORP  02/09/17 (12/31/16) 
8-K ION GEOPHYSICAL CORP  02/09/17 (02/06/17) 
SC 13G/A ION GEOPHYSICAL CORP(INVESCO LTD.  01/10/17 
SC 13G ION GEOPHYSICAL CORP(FOOTPRINTS ASSET MANAGEMENT & RESEARCH  01/05/17 
 
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Last Trade
Last Trade: 
$4.70  
Change: 
0.10 (2.17%)  
Trade Time: 
May 24  
Market Cap: 
$55.80M
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