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GENZYME CORP
- As of  04/27/24, 04:21:34 AM:   22 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2011-02-14 11:42:29.0 ABIOMED INC ABMD 5.1% view
S 2010-07-14 16:17:27.0 EXACT SCIENCES CORP EXAS 0.0% view
S 2010-04-20 16:21:52.0 EXACT SCIENCES CORP EXAS 6.37% view
B 159.31% 2009-02-06 12:25:03.0 EXACT SCIENCES CORP EXAS 9.9% view
B -16.14% 2008-01-15 16:10:27.0 ISIS PHARMACEUTICALS INC ISIS 5.7% view
B 2007-10-24 11:59:07.0 BIOENVISION INC BIVN 100.0% view
S 2007-09-27 08:30:26.0 BIOENVISION INC BIVN 27.9% view
S 2007-08-02 16:41:42.0 BIOENVISION INC BIVN 27.9% view
S 2007-07-17 16:11:29.0 BIOENVISION INC BIVN 28.2% view
S 2007-07-16 14:29:46.0 BIOENVISION INC BIVN 28.2% view
B 2007-07-11 16:27:24.0 BIOENVISION INC BIVN 28.4% view
B 2007-07-02 17:05:44.0 BIOENVISION INC BIVN 22.7% view
B 5.21% 2007-02-23 15:07:15.0 DYAX CORP DYAX 11.4% view
B 2006-10-27 12:38:08.0 AnorMED Inc n/a 22.5% view
S 2004-11-19 00:00:00.0 ABIOMED INC ABMD 10.6% view
S 2002-04-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 19.5% view
S 2001-01-08 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 27.4% view
S 1999-11-24 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 38.1% view
B 42.91% 1999-07-29 00:00:00.0 BIOMARIN PHARMACEUTICAL INC BMRN 6.2% view
S 1999-02-26 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 41.3% view
B -9.52% 1997-07-18 00:00:00.0 ABIOMED INC ABMD 14.0% view
B 81.47% 1996-08-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 45.0% 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.
** Since most institutions are long investors, only returns for long transactions are shown here.