| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Dec 1, 2009 | Series D | $ 20M | InterWest Partners | Detail |
| Mar 11, 2008 | Series C | $ 26M | August Capital,Canaan Partners,etc. | Detail |
| Jan 30, 2006 | Series B | $ 16.25M | August Capital,U.S. Venture Partners | Detail |
| Feb 22, 2013 | Series F | $ 10.10M | August Capital,Canaan Partners,etc. | Detail |
| Apr 28, 2014 | Series Unknown | $ 10M | Detail | |
| Sep 25, 2012 | Series E | $ 23.50M | August Capital,Canaan Partners,etc. | Detail |