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IO
- As of 05/21/24, 12:08:50 AM: 80 Insider Transactions.
Sector:
Technology
Industry:
Scientific & Technical Instruments
Prev Close:
$6.12
Avg Vol(3m):
104,975
P/E:
0.00
EPS:
-0.45
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Insider Transactions for IO
Buy/Sell*
Filed Date
Subject
Symbol
Acquirer
Pct Owned
Details
B
2020-02-14 17:05:05.0
ION GEOPHYSICAL CORP
IO
Gates Capital Management
7.36%
view
S
2019-02-14 12:04:50.0
ION GEOPHYSICAL CORP
IO
Footprints Asset Management & Research
4.85%
view
S
2019-01-31 14:58:34.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
5.02%
view
S
2019-01-31 10:31:29.0
ION GEOPHYSICAL CORP
IO
Empery Asset Management
4.99%
view
B
2018-10-26 17:27:00.0
ION GEOPHYSICAL CORP
IO
Bagaria Rajay
5.05%
view
S
2018-02-22 10:49:15.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
7.8%
view
B
2017-01-10 09:38:15.0
ION GEOPHYSICAL CORP
IO
Footprints Asset Management & Research
5.97%
view
B
2016-10-05 16:56:03.0
ION GEOPHYSICAL CORP
IO
LAPEYRE JAMES M JR
7.8%
view
S
2016-02-10 09:39:41.0
ION GEOPHYSICAL CORP
IO
VANGUARD GROUP INC
17.5%
view
S
2015-12-10 11:01:25.0
ION GEOPHYSICAL CORP
IO
LAPEYRE JAMES M JR
4.0%
view
B
2015-02-10 13:03:02.0
ION GEOPHYSICAL CORP
IO
VANGUARD GROUP INC
5.17%
view
S
2015-01-26 17:17:41.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
2.14%
view
S
2014-03-10 13:51:04.0
ION GEOPHYSICAL CORP
IO
WELLINGTON MANAGEMENT CO LLP
0.22%
view
B
2014-02-05 14:11:57.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
7.8%
view
B
2014-01-28 11:44:01.0
ION GEOPHYSICAL CORP
IO
VILLERE ST DENIS J & CO LLC
6.49%
view
B
2013-12-09 10:06:37.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
10.5%
view
S
2013-03-29 13:21:44.0
ION GEOPHYSICAL CORP
IO
WELLINGTON MANAGEMENT CO LLP
5.75%
view
B
2013-02-13 16:09:19.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
9.7%
view
B
2013-02-06 09:55:56.0
ION GEOPHYSICAL CORP
IO
VILLERE ST DENIS J & CO LLC
5.88%
view
B
2012-08-10 11:06:48.0
ION GEOPHYSICAL CORP
IO
FMR LLC
0.178%
view
B
2012-04-10 08:44:10.0
ION GEOPHYSICAL CORP
IO
FMR LLC
12.121%
view
S
2012-02-14 11:22:06.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
6.23%
view
S
2012-01-24 17:41:59.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
4.0%
view
S
2011-02-10 09:19:20.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
6.8%
view
B
2011-01-20 09:53:57.0
ION GEOPHYSICAL CORP
IO
BGP Inc
16.6%
view
B
2010-02-16 07:13:55.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & CO
7.07%
view
S
2010-01-08 12:05:48.0
ION GEOPHYSICAL CORP
IO
GW CAPITAL INC
n/a
view
B
2009-08-07 15:53:12.0
ION GEOPHYSICAL CORP
IO
GW CAPITAL INC
n/a
view
S
2009-02-17 11:10:00.0
ION GEOPHYSICAL CORP
IO
NEUBERGER BERMAN INC
1.5%
view
S
2008-02-14 13:38:47.0
ION GEOPHYSICAL CORP
IO
CNH PARTNERS LLC
6.59%
view
B
2008-02-14 06:34:02.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
6.4%
view
S
2008-02-05 10:36:04.0
ION GEOPHYSICAL CORP
IO
ROYCE & ASSOCIATES LLC
7.8%
view
S
2007-02-08 11:34:01.0
INPUT OUTPUT INC
IO
CNH PARTNERS LLC
6.2%
view
S
2007-02-07 16:35:22.0
INPUT OUTPUT INC
IO
WELLS FARGO & CO
5.58%
view
B
2006-11-08 13:07:49.0
INPUT OUTPUT INC
IO
WELLS FARGO & CO
7.02%
view
B
2006-02-15 00:00:00.0
INPUT OUTPUT INC
IO
FLETCHER ASSET MANAGEMENT INC
9.0%
view
S
2006-01-31 00:00:00.0
INPUT OUTPUT INC
IO
CNH PARTNERS LLC
12.6%
view
S
2005-07-14 00:00:00.0
INPUT OUTPUT INC
IO
LAITRAM LLC
10.0%
view
B
2005-03-23 00:00:00.0
INPUT OUTPUT INC
IO
DARUMA ASSET MANAGEMENT INC
4.2%
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
S
2004-08-05 00:00:00.0
INPUT OUTPUT INC
IO
LAITRAM LLC
10.1%
view
S
2004-07-02 00:00:00.0
INPUT OUTPUT INC
IO
PRIMECAP MANAGEMENT CO
5.11%
view
B
2004-05-10 00:00:00.0
INPUT OUTPUT INC
IO
MORGAN STANLEY
6.27%
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
STEINBERG PRIEST & SLOANE CAPITAL MANAGEMENT LLC
5.46%
view
B
2004-02-05 00:00:00.0
INPUT OUTPUT INC
IO
ROYCE & ASSOCIATES LLC
12.31%
view
B
2004-01-13 00:00:00.0
INPUT OUTPUT INC
IO
LAPEYRE JAMES M JR
15.3%
view
S
2003-06-10 00:00:00.0
INPUT OUTPUT INC
IO
LAITRAM LLC
9.3%
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
STEINBERG PRIEST & SLOANE CAPITAL MANAGEMENT LLC
4.18%
view
B
2003-02-11 00:00:00.0
INPUT OUTPUT INC
IO
DIMENSIONAL FUND ADVISORS INC
6.72%
view
S
2003-02-05 00:00:00.0
INPUT OUTPUT INC
IO
ICM ASSET MANAGEMENT INC
5.5%
view
B
2002-08-07 00:00:00.0
INPUT OUTPUT INC
IO
ROYCE & ASSOCIATES INC
10.42%
view
S
2002-04-17 00:00:00.0
INPUT OUTPUT INC
IO
BARCLAYS GLOBAL INVESTORS NA
3.0%
view
S
2002-02-13 00:00:00.0
INPUT OUTPUT INC
IO
BARCLAYS GLOBAL INVESTORS NA
5.5%
view
B
2002-02-12 00:00:00.0
INPUT OUTPUT INC
IO
DIMENSIONAL FUND ADVISORS INC
7.66%
view
S
2002-02-05 00:00:00.0
INPUT OUTPUT INC
IO
ICM ASSET MANAGEMENT INC
5.55%
view
B
2001-02-02 00:00:00.0
INPUT OUTPUT INC
IO
DIMENSIONAL FUND ADVISORS INC
10.59%
view
B
2000-02-11 00:00:00.0
INPUT OUTPUT INC
IO
FMR CORP
5.57%
view
B
2000-02-07 00:00:00.0
INPUT OUTPUT INC
IO
PRIMECAP MANAGEMENT CO
9.55%
view
B
1999-11-10 00:00:00.0
INPUT OUTPUT INC
IO
PILGRIM BAXTER & ASSOCIATES LTD
0.0%
view
B
1999-07-13 00:00:00.0
INPUT OUTPUT INC
IO
PRIMECAP MANAGEMENT CO
8.22%
view
B
1999-06-17 00:00:00.0
INPUT OUTPUT INC
IO
SCF IV LP
9.0%
view
S
1999-03-25 00:00:00.0
INPUT OUTPUT INC
IO
MORGAN J P & CO INC
11.6%
view
S
1999-02-12 00:00:00.0
INPUT OUTPUT INC
IO
PUTNAM INVESTMENTS INC
12.0%
view
B
1999-02-09 00:00:00.0
INPUT OUTPUT INC
IO
MERRILL LYNCH & CO INC
5.7%
view
B
1999-02-04 00:00:00.0
INPUT OUTPUT INC
IO
LAITRAM CORP
11.5%
view
B
1998-11-23 00:00:00.0
INPUT OUTPUT INC
IO
MORGAN J P & CO INC
16.371%
view
S
1998-07-13 00:00:00.0
INPUT OUTPUT INC
IO
PILGRIM BAXTER & ASSOCIATES LTD
6.33%
view
B
1998-02-13 00:00:00.0
INPUT OUTPUT INC
IO
PILGRIM BAXTER & ASSOCIATES LTD
6.33%
view
B
1998-02-10 00:00:00.0
INPUT OUTPUT INC
IO
MORGAN J P & CO INC
16.158%
view
B
1997-08-13 00:00:00.0
INPUT OUTPUT INC
IO
MORGAN J P & CO INC
1.0%
view
S
1997-02-19 00:00:00.0
INPUT OUTPUT INC
IO
WELLINGTON MANAGEMENT CO LLP
11.98%
view
S
1997-01-31 00:00:00.0
INPUT OUTPUT INC
IO
PUTNAM INVESTMENTS INC
12.0%
view
S
1997-01-10 00:00:00.0
INPUT OUTPUT INC
IO
PUTNAM INVESTMENTS INC
12.0%
view
S
1996-02-16 00:00:00.0
INPUT OUTPUT INC
IO
PUTNAM INVESTMENTS INC
12.0%
view
B
1995-12-06 00:00:00.0
INPUT OUTPUT INC
IO
FIRST INTERSTATE BANCORP
8.5%
view
S
1995-02-09 00:00:00.0
INPUT OUTPUT INC
IO
FMR CORP
n/a
view
B
1994-02-14 00:00:00.0
INPUT OUTPUT INC
IO
FIRST INTERSTATE BANCORP
n/a
view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.