ION GEOPHYSICAL CORP: IO (NYSE)
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SC 13G/A ION GEOPHYSICAL CORP(INVESCO LTD.  01/10/17 
SC 13G ION GEOPHYSICAL CORP(FOOTPRINTS ASSET MANAGEMENT & RESEARCH  01/05/17 
8-K ION GEOPHYSICAL CORP  12/22/16 (12/22/16) 
424B5 ION GEOPHYSICAL CORP  12/22/16 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  12/22/16 (12/21/16) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  12/21/16 (12/19/16) 
4 ION GEOPHYSICAL CORP(HANSON R BRIAN  12/05/16 (12/01/16) 
EFFECT ION GEOPHYSICAL CORP  12/05/16 
4 ION GEOPHYSICAL CORP(WILLIAMSON KEN  12/02/16 (12/01/16) 
4 ION GEOPHYSICAL CORP(SCHWAUSCH SCOTT  12/02/16 (12/01/16) 
4 ION GEOPHYSICAL CORP(USHER CHRISTOPHER THERON  12/02/16 (12/01/16) 
S-3/A ION GEOPHYSICAL CORP  11/23/16 
8-K ION GEOPHYSICAL CORP  11/23/16 (11/23/16) 
4 ION GEOPHYSICAL CORP(HULME COLIN  11/18/16 (11/16/16) 
8-K ION GEOPHYSICAL CORP  11/18/16 (11/18/16) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  11/09/16 (11/07/16) 
SC 13D/A ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  11/07/16 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  11/07/16 (11/03/16) 
4 ION GEOPHYSICAL CORP(LAPEYRE JAMES M JR  11/03/16 (11/01/16) 
10-Q ION GEOPHYSICAL CORP  11/03/16 (09/30/16) 
 
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Last Trade
Last Trade: 
$5.75  
Change: 
0.10 (1.77%)  
Trade Time: 
09:34 AM EST  
Market Cap: 
$69.42M
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