ION GEOPHYSICAL CORP: IO (NYSE)
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8-K ION GEOPHYSICAL CORP  05/20/15 (05/20/15) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  05/18/15 (05/15/15) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  05/15/15 (05/13/15) 
10-Q ION GEOPHYSICAL CORP  05/07/15 (03/31/15) 
8-K ION GEOPHYSICAL CORP  05/07/15 (05/06/15) 
10-K/A ION GEOPHYSICAL CORP  04/24/15 (12/31/14) 
8-K ION GEOPHYSICAL CORP  04/24/15 (04/24/15) 
DEF 14A ION GEOPHYSICAL CORP  04/14/15 (05/20/15) 
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) 
 
 Results 1 - 20 of 1060
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Last Trade
Last Trade: 
$1.61  
Change: 
-0.05 (-3.01%)  
Trade Time: 
May 22  
Market Cap: 
$265.15M
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