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IO
- As of 09/23/24, 02:02:37 PM: 142 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
Footprints Asset Management & Research
7.24%
view
S
2020-02-14 12:26:32.0
ION GEOPHYSICAL CORP
IO
Gates Capital Management
3.2%
view
B
2020-02-13 10:48:05.0
ION GEOPHYSICAL CORP
IO
RENAISSANCE TECHNOLOGIES LLC
7.36%
view
B
2019-02-14 12:04:50.0
ION GEOPHYSICAL CORP
IO
Gates Capital Management
8.7%
view
S
2019-02-14 11:40:32.0
ION GEOPHYSICAL CORP
IO
Footprints Asset Management & Research
4.85%
view
B
2019-02-12 16:18:00.0
ION GEOPHYSICAL CORP
IO
RENAISSANCE TECHNOLOGIES LLC
7.32%
view
S
2019-01-31 14:58:34.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
4.9%
view
S
2019-01-31 10:36:10.0
ION GEOPHYSICAL CORP
IO
Bagaria Rajay
5.02%
view
S
2019-01-31 10:31:29.0
ION GEOPHYSICAL CORP
IO
Wasserstein Debt Opportunities Management
4.95%
view
S
2019-01-15 10:49:50.0
ION GEOPHYSICAL CORP
IO
Empery Asset Management
4.99%
view
B
2018-10-26 17:27:00.0
ION GEOPHYSICAL CORP
IO
Wasserstein Debt Opportunities Management
5.23%
view
B
2018-08-20 15:53:11.0
ION GEOPHYSICAL CORP
IO
Bagaria Rajay
5.05%
view
B
2018-02-22 10:49:15.0
ION GEOPHYSICAL CORP
IO
Empery Asset Management
5.25%
view
S
2018-02-12 15:23:03.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
7.8%
view
S
2017-01-10 09:38:15.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
10.6%
view
B
2017-01-05 15:28:32.0
ION GEOPHYSICAL CORP
IO
Footprints Asset Management & Research
5.97%
view
B
2016-11-07 15:13:02.0
ION GEOPHYSICAL CORP
IO
LAPEYRE JAMES M JR
10.0%
view
B
2016-10-05 16:56:03.0
ION GEOPHYSICAL CORP
IO
LAPEYRE JAMES M JR
9.0%
view
B
2016-09-12 08:01:55.0
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
3.87%
view
S
2016-02-05 14:44:12.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
17.5%
view
S
2015-12-10 11:01:25.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
4.7%
view
S
2015-12-08 13:05:31.0
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
B
2015-02-03 15:33:52.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
19.4%
view
S
2015-01-26 17:17:41.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
7.3%
view
S
2014-03-11 17:25:33.0
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
WELLS FARGO & COMPANY
4.89%
view
S
2014-02-14 09:32:07.0
ION GEOPHYSICAL CORP
IO
WELLINGTON MANAGEMENT CO LLP
0.22%
view
B
2014-02-05 14:11:57.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
19.4%
view
B
2014-01-29 16:22:20.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
7.8%
view
S
2014-01-28 11:44:01.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & COMPANY
5.09%
view
B
2014-01-10 17:01:56.0
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
18.7%
view
B
2013-06-10 12:58:38.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
10.5%
view
S
2013-03-29 13:21:44.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & COMPANY
5.88%
view
S
2013-02-14 12:29:55.0
ION GEOPHYSICAL CORP
IO
WELLINGTON MANAGEMENT CO LLP
5.75%
view
S
2013-02-13 16:09:19.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & COMPANY
5.89%
view
B
2013-02-13 13:04:33.0
ION GEOPHYSICAL CORP
IO
Invesco Ltd
9.7%
view
B
2013-02-06 09:55:56.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
6.25%
view
B
2013-01-08 15:46:57.0
ION GEOPHYSICAL CORP
IO
VILLERE ST DENIS J & CO LLC
5.88%
view
S
2012-08-10 11:06:48.0
ION GEOPHYSICAL CORP
IO
FMR LLC
0.178%
view
B
2012-05-11 10:38:56.0
ION GEOPHYSICAL CORP
IO
VILLERE ST DENIS J & CO LLC
5.12%
view
S
2012-04-10 08:44:10.0
ION GEOPHYSICAL CORP
IO
FMR LLC
5.242%
view
B
2012-02-14 12:17:40.0
ION GEOPHYSICAL CORP
IO
FMR LLC
12.121%
view
B
2012-02-14 11:22:06.0
ION GEOPHYSICAL CORP
IO
WELLINGTON MANAGEMENT CO LLP
6.57%
view
S
2012-02-13 12:22:12.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
6.23%
view
B
2012-01-24 17:41:59.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & CO
6.12%
view
S
2011-02-14 13:14:16.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
4.0%
view
B
2011-02-10 09:19:20.0
ION GEOPHYSICAL CORP
IO
FMR LLC
10.148%
view
S
2011-02-04 15:44:48.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
6.8%
view
S
2011-01-20 09:53:57.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & CO
5.73%
view
B
2010-04-01 14:35:07.0
ION GEOPHYSICAL CORP
IO
BGP Inc
16.6%
view
B
2010-02-16 07:13:55.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
9.0%
view
B
2010-01-20 17:48:58.0
ION GEOPHYSICAL CORP
IO
WELLS FARGO & CO
7.07%
view
B
2010-01-08 12:05:48.0
ION GEOPHYSICAL CORP
IO
BlackRock Inc
10.17%
view
S
2009-09-01 16:46:40.0
ION GEOPHYSICAL CORP
IO
GW CAPITAL INC
n/a
view
S
2009-08-07 15:53:12.0
ION GEOPHYSICAL CORP
IO
GW CAPITAL INC
n/a
view
B
2009-05-08 15:32:13.0
ION GEOPHYSICAL CORP
IO
GW CAPITAL INC
n/a
view
B
2009-02-17 11:10:00.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
8.9%
view
S
2009-02-10 12:03:19.0
ION GEOPHYSICAL CORP
IO
NEUBERGER BERMAN INC
1.5%
view
B
2009-02-10 11:09:04.0
ION GEOPHYSICAL CORP
IO
NEUBERGER BERMAN INC
7.934%
view
S
2008-02-14 13:38:47.0
ION GEOPHYSICAL CORP
IO
CNH PARTNERS LLC
0.0%
view
S
2008-02-14 09:18:38.0
ION GEOPHYSICAL CORP
IO
Clearbridge Advisors
6.59%
view
S
2008-02-14 06:34:02.0
ION GEOPHYSICAL CORP
IO
FLETCHER ASSET MANAGEMENT INC
6.4%
view
B
2008-02-12 17:26:28.0
ION GEOPHYSICAL CORP
IO
NEUBERGER BERMAN INC
7.355%
view
S
2008-02-05 10:36:04.0
ION GEOPHYSICAL CORP
IO
ROYCE & ASSOCIATES LLC
2.59%
view
S
2007-02-14 15:35:23.0
INPUT OUTPUT INC
IO
FLETCHER ASSET MANAGEMENT INC
7.8%
view
B
2007-02-08 11:34:01.0
INPUT OUTPUT INC
IO
Clearbridge Advisors
7.41%
view
S
2007-02-07 16:41:38.0
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
5.48%
view
S
2007-01-22 12:51:09.0
INPUT OUTPUT INC
IO
ROYCE & ASSOCIATES LLC
5.58%
view
S
2006-11-08 13:07:49.0
INPUT OUTPUT INC
IO
ROYCE & ASSOCIATES LLC
6.78%
view
B
2006-03-03 00:00:00.0
INPUT OUTPUT INC
IO
WELLS FARGO & CO
7.02%
view
S
2006-02-15 00:00:00.0
INPUT OUTPUT INC
IO
FRIESS ASSOCIATES LLC
n/a
view
B
2006-02-14 00:00:00.0
INPUT OUTPUT INC
IO
FLETCHER ASSET MANAGEMENT INC
9.0%
view
B
2006-01-31 00:00:00.0
INPUT OUTPUT INC
IO
CNH PARTNERS LLC
6.21%
view
B
2006-01-25 00:00:00.0
INPUT OUTPUT INC
IO
ROYCE & ASSOCIATES LLC
5.0%
view
B
2020-04-17 17:30:32.0
BIOCRYST PHARMACEUTICALS INC
BCRX
ADAGE CAPITAL PARTNERS GP
1.62%
view
S
2020-02-14 16:20:41.0
BIOCRYST PHARMACEUTICALS INC
BCRX
GREAT POINT PARTNERS LLC
0.0%
view
S
2020-02-14 16:14:32.0
BIOCRYST PHARMACEUTICALS INC
BCRX
JANUS HENDERSON GROUP PLC
8.5%
view
S
2020-02-13 12:33:04.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Flynn James E
5.27%
view
B
2020-02-05 11:25:28.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
6.5%
view
B
2019-11-19 16:42:47.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Point72 Asset Management
5.6%
view
B
2019-02-14 17:13:10.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RA CAPITAL MANAGEMENT
5.8%
view
S
2019-02-13 16:29:17.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER BROS
6.3%
view
S
2019-02-11 17:29:22.0
BIOCRYST PHARMACEUTICALS INC
BCRX
JANUS HENDERSON GROUP PLC
11.2%
view
S
2019-02-04 10:08:11.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
6.95%
view
S
2018-08-06 16:30:20.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RA CAPITAL MANAGEMENT
7.57%
view
S
2018-07-10 15:59:56.0
BIOCRYST PHARMACEUTICALS INC
BCRX
JANUS HENDERSON GROUP PLC
7.58%
view
B
2018-04-02 16:52:24.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RA CAPITAL MANAGEMENT
7.6%
view
B
2018-02-14 09:27:22.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RTW INVESTMENTS
7.33%
view
S
2018-02-13 19:27:24.0
BIOCRYST PHARMACEUTICALS INC
BCRX
VENROCK HEALTHCARE CAPITAL PARTNERS LP
2.9%
view
B
2018-02-12 16:13:36.0
BIOCRYST PHARMACEUTICALS INC
BCRX
JANUS HENDERSON GROUP PLC
6.8%
view
B
2018-01-29 16:41:42.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
7.7%
view
B
2017-05-22 16:37:21.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Flynn James E
5.0%
view
B
2017-02-15 09:19:11.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RTW INVESTMENTS
9.8%
view
B
2017-02-14 08:13:40.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Flynn James E
7.9%
view
B
2017-01-09 16:01:31.0
BIOCRYST PHARMACEUTICALS INC
BCRX
D
5.02%
view
B
2016-08-22 16:15:18.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER BROS
14.99%
view
B
2016-08-16 17:26:35.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Flynn James E
6.64%
view
B
2016-04-11 11:51:18.0
BIOCRYST PHARMACEUTICALS INC
BCRX
WELLINGTON MANAGEMENT GROUP LLP
2.03%
view
S
2016-03-14 16:02:19.0
BIOCRYST PHARMACEUTICALS INC
BCRX
D
2.329%
view
S
2016-02-12 08:57:50.0
BIOCRYST PHARMACEUTICALS INC
BCRX
FMR LLC
10.21%
view
S
2016-02-04 17:19:29.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER BROS
20.5%
view
B
2015-11-06 17:18:48.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER BROS
19.5%
view
B
2015-02-17 16:28:27.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
14.9%
view
B
2015-02-02 16:38:49.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
7.6%
view
S
2014-06-10 16:11:24.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
15.2%
view
S
2014-02-14 14:19:31.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RA CAPITAL MANAGEMENT
7.4%
view
B
2014-02-14 10:50:31.0
BIOCRYST PHARMACEUTICALS INC
BCRX
WELLINGTON MANAGEMENT CO LLP
8.11%
view
B
2014-02-10 08:43:15.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RA CAPITAL MANAGEMENT
9.9%
view
S
2013-08-02 12:09:33.0
BIOCRYST PHARMACEUTICALS INC
BCRX
RTW INVESTMENTS
10.5%
view
S
2013-07-10 12:09:17.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
0.0%
view
S
2013-01-30 14:29:37.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BlackRock Inc
11.0%
view
B
2012-04-23 17:30:38.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
6.5%
view
S
2012-01-26 14:03:21.0
BIOCRYST PHARMACEUTICALS INC
BCRX
HARROSH JOSEPH L
15.3%
view
B
2011-01-10 14:14:25.0
BIOCRYST PHARMACEUTICALS INC
BCRX
HARROSH JOSEPH L
5.5026%
view
S
2010-02-03 12:41:52.0
BIOCRYST PHARMACEUTICALS INC
BCRX
Stephens Investment Management
0.6%
view
B
2009-06-01 21:52:01.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
17.9%
view
B
2008-02-12 18:39:52.0
BIOCRYST PHARMACEUTICALS INC
BCRX
STEPHENS WILLIAM BRADFORD
9.7%
view
S
2007-08-08 17:09:16.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
19.1%
view
S
2006-02-14 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
EDELMAN JOSEPH
0.0%
view
B
2006-02-14 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
PRICE T ROWE ASSOCIATES INC
3.5%
view
S
2005-12-07 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
ISALY SAMUEL D
4.16%
view
B
2005-12-07 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
ORBIMED ADVISORS LLC
4.16%
view
B
2005-10-13 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BAKER JULIAN
9.0%
view
B
2005-02-25 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
GREAT POINT PARTNERS LLC
7.99%
view
B
2005-02-09 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
ORBIMED CAPITAL II LLC
7.82%
view
B
2004-02-25 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
ORBIMED ADVISORS LLC
7.82%
view
S
2004-02-12 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
EXIS CAPITAL MANAGEMENT INC
7.4%
view
B
2004-02-09 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
PRICE T ROWE ASSOCIATES INC
100.0%
view
S
2003-12-11 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BIOTECHNOLOGY VALUE FUND L P
8.14%
view
S
2003-10-31 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BIOTECHNOLOGY VALUE FUND L P
12.1%
view
S
2002-06-28 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
FEATHERINGILL WILLIAM W
15.8%
view
B
2002-02-14 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BIOTECHNOLOGY VALUE FUND L P
8.8%
view
S
2001-02-14 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
BERGER LLC
0.0%
view
S
2000-10-26 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
COOPER MAX
4.5%
view
S
1999-07-16 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
COOPER MAX
17.0%
view
B
1998-12-08 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
FEATHERINGILL WILLIAM W
6.17%
view
S
1998-03-25 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
FEATHERINGILL WILLIAM W
0.0%
view
B
1996-02-13 00:00:00.0
BIOCRYST PHARMACEUTICALS INC
BCRX
INVESCO PLC
5.3%
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.