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OSIP - As of  04/30/25, 09:42:17 AM:   129 Insider Transactions.

Sector: Unknown    Industry: Medical Laboratories & Research
Prev Close:$0.00  Avg Vol(3m): 0  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for OSIP

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2011-02-14 13:00:45.0 OSI PHARMACEUTICALS INC OSIP MASON CAPITAL MANAGEMENT LLC 0.0% view
S 2010-07-12 14:07:45.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 0.0% view
B 2010-06-09 14:55:38.0 OSI PHARMACEUTICALS INC OSIP Astellas Pharma Inc 14.0% view
B 2010-05-28 11:24:27.0 OSI PHARMACEUTICALS INC OSIP Tiresias Capital Ltd 7.65% view
S 2010-05-25 21:21:43.0 OSI PHARMACEUTICALS INC OSIP OZ MANAGEMENT LP 1.26% view
B 2010-05-10 15:44:12.0 OSI PHARMACEUTICALS INC OSIP PRICE T ROWE ASSOCIATES INC 0.0% view
B 2010-04-12 17:20:38.0 OSI PHARMACEUTICALS INC OSIP JGD MANAGEMENT CORP 8.3% view
S 2010-04-12 14:45:57.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 8.88% view
B 2010-04-08 16:36:39.0 OSI PHARMACEUTICALS INC OSIP OZ MANAGEMENT LP 5.49% view
B 2010-03-22 16:48:58.0 OSI PHARMACEUTICALS INC OSIP MASON CAPITAL MANAGEMENT LLC 5.1% view
S 2010-02-11 07:26:03.0 OSI PHARMACEUTICALS INC OSIP WESTFIELD CAPITAL MANAGEMENT CO LP 4.91% view
B 2010-02-04 09:37:41.0 OSI PHARMACEUTICALS INC OSIP VANGUARD SPECIALIZED FUNDS 6.61% view
B 2010-01-29 14:58:49.0 OSI PHARMACEUTICALS INC OSIP BlackRock Inc 8.8% view
B 2010-01-11 15:54:04.0 OSI PHARMACEUTICALS INC OSIP PRICE T ROWE ASSOCIATES INC 10.06% view
S 2010-01-11 09:42:44.0 OSI PHARMACEUTICALS INC OSIP FEDERATED INVESTORS INC 2.49% view
B 2009-06-10 16:03:05.0 OSI PHARMACEUTICALS INC OSIP FMR LLC 4.378% view
B 2009-06-10 12:10:48.0 OSI PHARMACEUTICALS INC OSIP LORD ABBETT & CO LLC 4.44% view
B 2009-03-10 15:24:51.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 12.84% view
B 2009-02-17 13:48:20.0 OSI PHARMACEUTICALS INC OSIP FEDERATED INVESTORS INC 7.33% view
S 2009-02-12 09:05:03.0 OSI PHARMACEUTICALS INC OSIP VANGUARD SPECIALIZED FUNDS 6.04% view
S 2009-02-04 09:27:55.0 OSI PHARMACEUTICALS INC OSIP WESTFIELD CAPITAL MANAGEMENT CO LP 6.4% view
S 2008-02-14 16:32:12.0 OSI PHARMACEUTICALS INC OSIP FMR LLC n/a view
B 2008-02-14 12:09:33.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 12.3% view
B 2008-02-14 11:03:16.0 OSI PHARMACEUTICALS INC OSIP VANGUARD SPECIALIZED FUNDS 6.17% view
S 2008-02-14 10:24:47.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 4.55% view
S 2008-02-13 16:35:17.0 OSI PHARMACEUTICALS INC OSIP TUDOR INVESTMENT CORP ET AL 0.0% view
S 2008-02-12 09:46:49.0 OSI PHARMACEUTICALS INC OSIP PRICE T ROWE ASSOCIATES INC 6.2% view
B 2008-01-10 09:09:25.0 OSI PHARMACEUTICALS INC OSIP WESTFIELD CAPITAL MANAGEMENT CO LLC 8.22% view
B 2007-07-10 14:52:19.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 12.16% view
S 2007-06-11 16:32:12.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2007-02-14 16:39:43.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2007-02-14 10:17:44.0 OSI PHARMACEUTICALS INC OSIP Ridgeback Capital Investments Ltd 0.0% view
S 2007-02-14 06:29:44.0 OSI PHARMACEUTICALS INC OSIP TUDOR INVESTMENT CORP ET AL 5.2% view
B 2007-02-13 09:47:07.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 5.75% view
S 2007-02-12 16:30:33.0 OSI PHARMACEUTICALS INC OSIP ZIFF ASSET MANAGEMENT LP 0.1% view
S 2007-02-09 12:31:51.0 OSI PHARMACEUTICALS INC OSIP GOLDMAN SACHS ASSET MANAGEMENT LP 0.0% view
S 2007-01-19 15:58:39.0 OSI PHARMACEUTICALS INC OSIP Noonday Asset Management 3.0% view
B 2006-07-24 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ZIFF ASSET MANAGEMENT LP 6.1% view
B 2006-06-26 00:00:00.0 OSI PHARMACEUTICALS INC OSIP Ridgeback Capital Investments Ltd 7.2% view
B 2006-06-22 00:00:00.0 OSI PHARMACEUTICALS INC OSIP TUDOR INVESTMENT CORP ET AL 5.4% view
B 2006-06-15 00:00:00.0 OSI PHARMACEUTICALS INC OSIP Noonday Asset Management 5.6% view
S 2006-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2006-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BROOKSIDE CAPITAL PARTNERS FUND LP 1.1% view
B 2006-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP PRICE T ROWE ASSOCIATES INC 7.5% view
S 2006-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITADEL L P 2.7% view
S 2006-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BB BIOTECH AG 4.2% view
B 2006-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP WESTFIELD CAPITAL MANAGEMENT CO LLC 7.86% view
S 2006-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP PERRY CORP 0.0% view
S 2006-02-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 5.39% view
B 2006-02-03 00:00:00.0 OSI PHARMACEUTICALS INC OSIP GOLDMAN SACHS ASSET MANAGEMENT LP 5.0% view
S 2006-02-03 00:00:00.0 OSI PHARMACEUTICALS INC OSIP J P MORGAN CHASE & CO 1.0% view
S 2006-01-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 4.84% view
B 2005-12-01 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BB BIOTECH AG 7.3% view
B 2005-10-31 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BROOKSIDE CAPITAL PARTNERS FUND LP 5.1% view
S 2005-10-11 00:00:00.0 OSI PHARMACEUTICALS INC OSIP J P MORGAN CHASE & CO 5.5% view
B 2005-06-29 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 5.93% view
B 2005-05-05 00:00:00.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 14.0% view
B 2005-03-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP J P MORGAN CHASE & CO 10.7% view
S 2005-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 4.63% view
S 2005-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP JANUS CAPITAL MANAGEMENT LLC 0.2% view
S 2005-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITADEL L P 7.1% view
B 2005-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP WELLINGTON MANAGEMENT CO LLP 6.354% view
S 2005-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
B 2005-02-11 00:00:00.0 OSI PHARMACEUTICALS INC OSIP J P MORGAN CHASE & CO 8.0% view
B 2005-02-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP PERRY CORP 5.85% view
B 2005-02-09 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITADEL L P 7.1% view
S 2005-02-04 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ZIFF ASSET MANAGEMENT LP 0.0% view
S 2004-11-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITIGROUP INC 4.0% view
B 2004-08-20 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ISALY SAMUEL D 5.03% view
B 2004-08-20 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ORBIMED CAPITAL LLC 5.03% view
B 2004-08-20 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ORBIMED ADVISORS LLC 5.03% view
B 2004-05-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITIGROUP INC 7.4% view
S 2004-05-10 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
B 2004-05-06 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DUQUESNE CAPITAL MANAGEMENT L L C 1.7% view
B 2004-02-17 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ZIFF ASSET MANAGEMENT LP 8.0% view
B 2004-02-17 00:00:00.0 OSI PHARMACEUTICALS INC OSIP JANUS CAPITAL MANAGEMENT LLC 6.5% view
S 2004-02-17 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2004-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CAPITAL RESEARCH & MANAGEMENT CO 4.8% view
S 2004-02-04 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FRANKLIN RESOURCES INC 4.7% view
B 2004-01-23 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CITADEL L P 5.4% view
S 2003-08-19 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEERFIELD CAPITAL LP ET AL 4.68% view
S 2003-07-08 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEUTSCHE BANK AG 1.93% view
B 2003-05-22 00:00:00.0 OSI PHARMACEUTICALS INC OSIP SIGMA CAPITAL MANAGEMENT LLC 4.3% view
B 2003-05-16 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ZIFF ASSET MANAGEMENT LP 5.0% view
B 2003-05-16 00:00:00.0 OSI PHARMACEUTICALS INC OSIP ZIFF INVESTORS PARTNERSHIP LP II 5.0% view
B 2003-03-27 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEERFIELD CAPITAL LP ET AL 5.03% view
S 2003-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP JANUS CAPITAL MANAGEMENT LLC 0.0% view
S 2003-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2003-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CAPITAL RESEARCH & MANAGEMENT CO 5.0% view
B 2003-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEUTSCHE BANK AG 5.0% view
B 2003-02-12 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FRANKLIN RESOURCES INC 6.6% view
S 2002-10-03 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEERFIELD CAPITAL LP ET AL 3.1% view
B 2002-09-03 00:00:00.0 OSI PHARMACEUTICALS INC OSIP DEERFIELD CAPITAL LP ET AL 5.66% view
S 2002-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
B 2002-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP JANUS CAPITAL CORP 9.0% view
B 2002-02-11 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CAPITAL RESEARCH & MANAGEMENT CO 6.7% view
B 2001-02-15 00:00:00.0 OSI PHARMACEUTICALS INC OSIP JANUS CAPITAL CORP 7.4% view
S 2001-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2001-02-14 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P 1.0% view
B 2001-02-12 00:00:00.0 OSI PHARMACEUTICALS INC OSIP CAPITAL RESEARCH & MANAGEMENT CO 6.3% view
B 2001-02-09 00:00:00.0 OSI PHARMACEUTICALS INC OSIP FMR CORP n/a view
S 2000-02-11 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P 8.7% view
S 1999-12-23 00:00:00.0 OSI PHARMACEUTICALS INC OSIP HOECHST MARION ROUSSEL INC n/a view
B 1999-07-16 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P 11.5% view
B 1999-07-16 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P 11.5% view
B 1998-11-19 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P ET AL 9.6% view
B 1998-09-09 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P ET AL 8.5% view
S 1998-08-07 00:00:00.0 OSI PHARMACEUTICALS INC OSIP AMERINDO INVESTMENT ADVISORS INC 9.02% view
B 1998-06-19 00:00:00.0 OSI PHARMACEUTICALS INC OSIP BIOTECHNOLOGY VALUE FUND L P ET AL 6.1% view
S 1998-04-01 00:00:00.0 OSI PHARMACEUTICALS INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
S 1998-02-13 00:00:00.0 OSI PHARMACEUTICALS INC OSIP AMERINDO INVESTMENT ADVISORS INC 14.6% view
S 1997-08-20 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
S 1997-08-07 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
S 1997-08-07 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
B 1997-07-17 00:00:00.0 ONCOGENE SCIENCE INC OSIP BECTON DICKINSON & CO 0.0% view
S 1997-04-04 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 15.53% view
S 1997-01-09 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
S 1997-01-08 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST CORP n/a view
B 1996-08-09 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 16.11% view
B 1996-07-26 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 14.15% view
B 1996-07-19 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 12.86% view
B 1996-07-03 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 9.99% view
S 1996-05-17 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 8.5% view
B 1996-02-13 00:00:00.0 ONCOGENE SCIENCE INC OSIP AMERINDO INVESTMENT ADVISORS INC 8.7% view
S 1995-08-01 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST MARION ROUSSEL INC 5.5% view
B 1995-07-10 00:00:00.0 ONCOGENE SCIENCE INC OSIP HOECHST CORP 5.5% view
B 1995-07-10 00:00:00.0 ONCOGENE SCIENCE INC OSIP DOW CHEMICAL CO n/a view
B 1995-06-01 00:00:00.0 ONCOGENE SCIENCE INC OSIP CIBA GEIGY LIMITED 5.3% view
B 1994-11-15 00:00:00.0 ONCOGENE SCIENCE INC OSIP MARION MERRELL DOW INC 5.5% 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.