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KOSN - As of  03/28/24, 07:27:25 AM:   65 Insider Transactions.

Sector: Unknown    Industry: Biotechnology
Prev Close:$0.00  Avg Vol(3m): 0  P/E: 0.00  EPS: 0.00

Email this page to a friend.    Insider Transactions for KOSN

Buy/Sell* Filed Date Subject Symbol Acquirer Pct Owned Details
S 2009-02-17 17:22:04.0 KOSAN BIOSCIENCES INC KOSN GREAT POINT PARTNERS LLC 0.0% view
S 2008-07-10 13:56:25.0 KOSAN BIOSCIENCES INC KOSN FEDERATED INVESTORS INC 12.0% view
S 2008-07-03 11:20:12.0 KOSAN BIOSCIENCES INC KOSN OPPENHEIMER FUNDS INC 0.0% view
S 2008-07-02 17:10:30.0 KOSAN BIOSCIENCES INC KOSN ORBIMED ADVISORS LLC 0.0% view
S 2008-02-14 17:15:35.0 KOSAN BIOSCIENCES INC KOSN GREAT POINT PARTNERS LLC 5.77% view
S 2008-02-14 15:52:40.0 KOSAN BIOSCIENCES INC KOSN BAKER FELIX 5.3% view
B 2008-02-14 12:08:16.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 7.61% view
B 2008-02-14 10:12:17.0 KOSAN BIOSCIENCES INC KOSN ORBIMED ADVISORS LLC 9.85% view
B 2008-02-13 12:56:52.0 KOSAN BIOSCIENCES INC KOSN FEDERATED INVESTORS INC 12.38% view
S 2008-02-13 12:26:56.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 6.08% view
B 2008-02-05 13:39:32.0 KOSAN BIOSCIENCES INC KOSN OPPENHEIMER FUNDS INC 10.34% view
B 2007-10-04 12:08:06.0 KOSAN BIOSCIENCES INC KOSN OPPENHEIMER FUNDS INC 10.33% view
B 2007-04-27 16:34:05.0 KOSAN BIOSCIENCES INC KOSN BAKER FELIX 8.1% view
B 2007-02-14 17:33:16.0 KOSAN BIOSCIENCES INC KOSN GREAT POINT PARTNERS LLC 7.87% view
B 2007-02-14 11:16:37.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 6.43% view
S 2007-02-13 16:06:58.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 4.6% view
S 2007-02-13 16:06:56.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 7.3% view
S 2007-02-13 11:44:50.0 KOSAN BIOSCIENCES INC KOSN FEDERATED INVESTORS INC 11.29% view
S 2007-02-12 21:43:17.0 KOSAN BIOSCIENCES INC KOSN PRICE T ROWE ASSOCIATES INC 0.0% view
B 2007-02-09 16:36:18.0 KOSAN BIOSCIENCES INC KOSN ORBIMED ADVISORS LLC 9.34% view
S 2007-02-06 15:29:59.0 KOSAN BIOSCIENCES INC KOSN OPPENHEIMER FUNDS INC 9.29% view
B 2006-04-11 00:00:00.0 KOSAN BIOSCIENCES INC KOSN GREAT POINT PARTNERS LLC 6.51% view
B 2006-04-10 00:00:00.0 KOSAN BIOSCIENCES INC KOSN FEDERATED INVESTORS INC 11.62% view
B 2006-04-07 00:00:00.0 KOSAN BIOSCIENCES INC KOSN OPPENHEIMER FUNDS INC 10.36% view
B 2006-02-15 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 14.0% view
B 2006-02-15 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 5.6% view
S 2006-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN EDELMAN JOSEPH 1.34% view
B 2006-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN FEDERATED INVESTORS INC 6.44% view
B 2006-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN PRICE T ROWE ASSOCIATES INC 5.5% view
S 2006-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 6.19% view
B 2006-02-10 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ORBIMED ADVISORS LLC 8.83% view
B 2006-02-09 00:00:00.0 KOSAN BIOSCIENCES INC KOSN BARCLAYS PLC 0.0% view
S 2006-02-08 00:00:00.0 KOSAN BIOSCIENCES INC KOSN FRANKLIN RESOURCES INC n/a view
B 2005-10-07 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ORBIMED ADVISORS LLC 5.01% view
B 2005-08-16 00:00:00.0 KOSAN BIOSCIENCES INC KOSN EDELMAN JOSEPH 6.57% view
S 2005-08-08 00:00:00.0 KOSAN BIOSCIENCES INC KOSN MAZAMA CAPITAL MANAGEMENT INC 4.42% view
B 2005-02-15 00:00:00.0 KOSAN BIOSCIENCES INC KOSN MAZAMA CAPITAL MANAGEMENT INC 5.55% view
B 2005-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN BARCLAYS GLOBAL INVESTORS NA 4.35% view
S 2005-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 5.26% view
S 2005-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 12.81% view
S 2005-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 7.4% view
B 2005-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN FRANKLIN RESOURCES INC 6.3% view
S 2004-02-13 00:00:00.0 KOSAN BIOSCIENCES INC KOSN LOMBARD ODIER & CIE 3.9% view
B 2004-02-12 00:00:00.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 12.391% view
B 2004-02-11 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 5.37% view
S 2004-02-11 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 4.8% view
B 2004-02-11 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 12.99% view
B 2003-11-10 00:00:00.0 KOSAN BIOSCIENCES INC KOSN WELLINGTON MANAGEMENT CO LLP 10.343% view
S 2003-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 2.0% view
S 2003-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 2.0% view
S 2003-02-13 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 5.4% view
S 2003-02-12 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 5.4% view
S 2003-02-11 00:00:00.0 KOSAN BIOSCIENCES INC KOSN LOMBARD ODIER & CIE 7.0% view
B 2002-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 15.3% view
B 2002-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN LOMBARD ODIER & CIE 7.0% view
S 2002-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 7.0% view
B 2002-02-08 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 10.96% view
S 2002-02-08 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 5.76% view
S 2001-05-03 00:00:00.0 KOSAN BIOSCIENCES INC KOSN AG BIOTECH CAPITAL LLC 0.0% view
B 2001-04-24 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 10.8% view
B 2001-02-15 00:00:00.0 KOSAN BIOSCIENCES INC KOSN KHOSLA CHAITAN PHD 7.1% view
B 2001-02-15 00:00:00.0 KOSAN BIOSCIENCES INC KOSN SANTI DANIEL V MD PHD 14.5% view
B 2001-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN LOMBARD ODIER & CIE 6.3% view
B 2001-02-14 00:00:00.0 KOSAN BIOSCIENCES INC KOSN AG BIOTECH CAPITAL LLC 6.0% view
B 2001-02-01 00:00:00.0 KOSAN BIOSCIENCES INC KOSN ALTA PARTNERS 9.5% 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.