B |
2019-02-14 11:40:32.0 |
ION GEOPHYSICAL CORP |
IO |
RENAISSANCE TECHNOLOGIES LLC |
7.32% |
view |
S |
2015-01-26 17:17:41.0 |
ION GEOPHYSICAL CORP |
IO |
VILLERE ST DENIS J & CO LLC |
2.14% |
view |
S |
2012-01-24 17:41:59.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
4.0% |
view |
S |
2009-02-17 11:10:00.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
8.9% |
view |
B |
2005-02-14 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DARUMA ASSET MANAGEMENT INC |
n/a |
view |
S |
2005-02-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
STRONG CAPITAL MANAGEMENT INC ET AL |
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 |
BARCLAYS GLOBAL INVESTORS NA |
4.77% |
view |
S |
2004-02-06 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
5.54% |
view |
B |
2002-03-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
BARCLAYS GLOBAL INVESTORS NA |
4.57% |
view |
S |
2002-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
n/a |
view |
B |
2001-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
n/a |
view |
S |
1998-02-17 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
6.33% |
view |
S |
1998-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
2.32% |
view |
B |
1997-03-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
0.0558% |
view |
B |
1997-01-30 00:00:00.0 |
INPUT OUTPUT INC |
IO |
WELLINGTON MANAGEMENT CO LLP |
11.98% |
view |