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Financing History
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Financing History

Round Date Amount Investor(s)
Series A June 1998 $8.6 million Mayfield
Venrock Associates
Abingworth Management
Series B November 1999 $25 million E.M. Warburg, Pincus & Co. LLC
International BM Biomedicine/Global Biomedical Partners
New Medical Technologies
Series A Investors
Series C July 2000 $60 million CSFB Private Equity
International Biotechnology Trust
Lombard Odier & Cie
Series A & B Investors
Series C-1 December 2002 $6 million Biogen Idec
Series C-2 September 2004 $14 million Biogen Idec
IPO September 2005 $42 million  
Private Placement March 2006 $45.3 million  
Public Offering May 2007 $21 million