| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| Fidelity Contrafund | - | - | - | Detail |
| Versant Ventures | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Nov 12, 2001 | Series C | $ 34M | Versant Ventures | Detail |
| Sep 9, 2005 | Series D | $ 10M | Versant Ventures | Detail |
| Jan 6, 2004 | Series D | $ 21M | Versant Ventures | Detail |
| Jan 8, 2007 | Series E | $ 37M | Versant Ventures | Detail |