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GENZYME CORP
- As of  05/28/24, 12:33:10 AM:   11 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 6.37% view
B -16.14% 2009-02-06 12:25:03.0 EXACT SCIENCES CORP EXAS 5.7% view
S 2007-10-24 11:59:07.0 BIOENVISION INC BIVN 100.0% view
S 2007-08-02 16:41:42.0 BIOENVISION INC BIVN 28.2% view
B 2007-07-16 14:29:46.0 BIOENVISION INC BIVN 28.4% view
B 5.21% 2007-07-02 17:05:44.0 BIOENVISION INC DYAX 11.4% view
S 2006-10-27 12:38:08.0 AnorMED Inc ABMD 10.6% view
S 2002-04-09 00:00:00.0 GENZYME TRANSGENICS CORP GTCB 27.4% view
B 42.91% 1999-11-24 00:00:00.0 BIOMARIN PHARMACEUTICAL INC BMRN 6.2% view
B -9.52% 1999-02-26 00:00:00.0 ABIOMED INC ABMD 14.0% 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.