ION GEOPHYSICAL CORP: IO (NYSE)
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4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  06/30/16 (06/16/16) 
10-K/A ION GEOPHYSICAL CORP  06/27/16 (12/31/15) 
4 ION GEOPHYSICAL CORP(USHER CHRISTOPHER THERON  06/02/16 (06/01/16) 
4 ION GEOPHYSICAL CORP(SEELY JAMEY S  06/02/16 (06/01/16) 
4 ION GEOPHYSICAL CORP(HULME COLIN  06/02/16 (06/01/16) 
4 ION GEOPHYSICAL CORP(HANSON R BRIAN  06/02/16 (06/01/16) 
4 ION GEOPHYSICAL CORP(BATE STEVEN  06/02/16 (06/01/16) 
8-K ION GEOPHYSICAL CORP  06/02/16 (06/02/16) 
4 ION GEOPHYSICAL CORP(BARR DAVID H  06/02/16 (06/01/16) 
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) 
 
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Last Trade
Last Trade: 
$6.23  
Change: 
0.44 (7.60%)  
Trade Time: 
04:02 PM EST  
Market Cap: 
$74.92M
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