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 |
2014-03-10 13:51:04.0 |
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 |
2011-02-14 13:14:16.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
10.148% |
view |
B |
2008-02-14 06:34:02.0 |
ION GEOPHYSICAL CORP |
IO |
FLETCHER ASSET MANAGEMENT INC |
7.355% |
view |
B |
2006-02-15 00:00:00.0 |
INPUT OUTPUT INC |
IO |
FLETCHER ASSET MANAGEMENT INC |
9.0% |
view |
S |
2005-02-10 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
2.9% |
view |
S |
2004-02-12 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
5.54% |
view |
B |
2003-02-14 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DARUMA ASSET MANAGEMENT INC |
6.4% |
view |
S |
2003-02-13 00:00:00.0 |
INPUT OUTPUT INC |
IO |
BARCLAYS GLOBAL INVESTORS NA |
4.3% |
view |
B |
2003-02-11 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
12.03% |
view |
S |
2002-04-17 00:00:00.0 |
INPUT OUTPUT INC |
IO |
BARCLAYS GLOBAL INVESTORS NA |
3.0% |
view |
S |
2002-02-05 00:00:00.0 |
INPUT OUTPUT INC |
IO |
VANGUARD HORIZON FUND INC |
5.55% |
view |
B |
2001-02-02 00:00:00.0 |
INPUT OUTPUT INC |
IO |
DIMENSIONAL FUND ADVISORS INC |
10.59% |
view |
B |
1999-11-10 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
0.0% |
view |
B |
1998-02-10 00:00:00.0 |
INPUT OUTPUT INC |
IO |
WELLINGTON MANAGEMENT CO LLP |
16.158% |
view |
B |
1997-08-13 00:00:00.0 |
INPUT OUTPUT INC |
IO |
PILGRIM BAXTER & ASSOCIATES LTD |
1.0% |
view |
S |
1997-02-19 00:00:00.0 |
INPUT OUTPUT INC |
IO |
WELLINGTON MANAGEMENT CO LLP |
11.98% |
view |