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 |
2014-01-28 11:44:01.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
6.49% |
view |
S |
2013-03-29 13:21:44.0 |
ION GEOPHYSICAL CORP |
IO |
WELLINGTON MANAGEMENT CO LLP |
5.75% |
view |
B |
2013-02-06 09:55:56.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
5.88% |
view |
S |
2012-01-24 17:41:59.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
4.0% |
view |
S |
2008-02-14 09:18:38.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
6.4% |
view |
S |
2005-02-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
STEINBERG ASSET MANAGEMENT LLC |
3.51% |
view |
B |
2005-02-09 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
14.39% |
view |
B |
2004-02-17 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DARUMA ASSET MANAGEMENT INC |
6.3% |
view |
S |
2004-02-06 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
5.46% |
view |
B |
2003-04-28 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DARUMA ASSET MANAGEMENT INC |
5.8% |
view |
B |
2003-02-13 00:00:00.0 |
INPUT OUTPUT INC |
IO |
BARCLAYS GLOBAL INVESTORS NA |
4.18% |
view |
B |
2003-02-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
6.72% |
view |
B |
2002-03-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
BARCLAYS GLOBAL INVESTORS NA |
4.57% |
view |
B |
2001-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
VANGUARD HORIZON FUND INC |
n/a |
view |
B |
1999-10-05 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
0.0% |
view |
S |
1998-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
WELLINGTON MANAGEMENT CO LLP |
2.32% |
view |
B |
1997-03-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
0.0558% |
view |
B |
1997-02-14 00:00:00.0 |
INPUT OUTPUT INC |
IO |
WELLINGTON MANAGEMENT CO LLP |
5.6% |
view |