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- As of 06/22/24, 12:45:24 AM: 22 Insider Transactions. Sector: Unknown Industry: Unknown Prev Close:$0.00 Avg Vol(3m): 0 P/E: 0.00 EPS: 0.00 Email this page to a friend. Insider Transactions for NULL

Buy/Sell*	Filed Date	Subject	Symbol	Acquirer	Pct Owned	Details
B	2018-02-27 06:05:48.0	BIOGEN IDEC MA INC	n/a	PRIMECAP MANAGEMENT CO	7.16%	view
B	2003-08-11 00:00:00.0	BIOGEN INC	BGEN	PRIMECAP MANAGEMENT CO	6.16%	view
B	2003-02-13 00:00:00.0	BIOGEN INC	BGEN	PRIMECAP MANAGEMENT CO	5.15%	view
S	2002-09-10 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
S	2002-03-11 00:00:00.0	BIOGEN INC	BGEN	TCW GROUP INC	6.2%	view
S	2001-02-14 00:00:00.0	BIOGEN INC	BGEN	TCW GROUP INC	n/a	view
B	2000-02-11 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	1.43%	view
S	1999-02-24 00:00:00.0	BIOGEN INC	BGEN	MELLON BANK CORP	5.65%	view
S	1999-02-05 00:00:00.0	BIOGEN INC	BGEN	MELLON BANK CORP	1.97%	view
B	1998-04-09 00:00:00.0	BIOGEN INC	BGEN	NEUBERGER & BERMAN LLC	10.61%	view
S	1998-02-09 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
B	1998-01-15 00:00:00.0	BIOGEN INC	BGEN	MELLON BANK CORP	5.51%	view
S	1997-02-10 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
S	1997-01-29 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
B	1996-03-15 00:00:00.0	BIOGEN INC	BGEN	JUNDT ASSOCIATES INC	5.5%	view
S	1996-02-12 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
S	1995-02-10 00:00:00.0	BIOGEN INC	BGEN	FORSTMANN LEFF ASSOCIATES INC	n/a	view
S	1995-01-31 00:00:00.0	BIOGEN INC	BGEN	PRUDENTIAL INSURANCE CO OF AMERICA	n/a	view
B	1994-11-10 00:00:00.0	BIOGEN INC	BGEN	JANUS CAPITAL CORP	4.4%	view
B	1994-08-09 00:00:00.0	BIOGEN INC	BGEN	BB BIOTECH AG	8.25%	view
B	1994-02-14 00:00:00.0	BIOGEN INC	BGEN	FMR CORP	n/a	view
B	1994-02-11 00:00:00.0	BIOGEN INC	BGEN	FORSTMANN LEFF ASSOCIATES INC	8.2%	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.