B |
2020-02-13 10:48:05.0 |
ION GEOPHYSICAL CORP |
IO |
RENAISSANCE TECHNOLOGIES LLC |
7.36% |
view |
B |
2019-02-12 16:18:00.0 |
ION GEOPHYSICAL CORP |
IO |
RENAISSANCE TECHNOLOGIES LLC |
7.32% |
view |
S |
2014-03-11 17:25:33.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
2.14% |
view |
S |
2014-02-14 09:32:07.0 |
ION GEOPHYSICAL CORP |
IO |
WELLINGTON MANAGEMENT CO LLP |
0.22% |
view |
B |
2014-01-10 17:01:56.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
6.49% |
view |
S |
2013-02-14 12:29:55.0 |
ION GEOPHYSICAL CORP |
IO |
WELLINGTON MANAGEMENT CO LLP |
5.75% |
view |
B |
2013-01-08 15:46:57.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
5.88% |
view |
B |
2012-05-11 10:38:56.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
5.12% |
view |
B |
2012-02-14 11:22:06.0 |
ION GEOPHYSICAL CORP |
IO |
WELLINGTON MANAGEMENT CO LLP |
6.57% |
view |
S |
2011-02-14 13:14:16.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
4.0% |
view |
B |
2010-02-16 07:13:55.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
9.0% |
view |
B |
2009-02-17 11:10:00.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
8.9% |
view |
S |
2008-02-14 06:34:02.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
6.4% |
view |
S |
2007-02-14 15:35:23.0 |
INPUT OUTPUT INC |
IO |
FLETCHER ASSET MANAGEMENT INC |
7.8% |
view |