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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

Email this page to a friend.    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.