| Announced Date | Round | Money Raised | Number of Investors | Lead Investors | Post Valuation | |
|---|---|---|---|---|---|---|
| Nov 22, 2011 | Series F | $25M | 1 | — | — | Detail |
| Mar 19, 2010 | Series F | $33.20M | 1 | — | — | Detail |
| Sep 1, 2007 | Series E | $20.02M | 1 | — | — | Detail |
| Jun 19, 2006 | Series D | $15M | 1 | — | — | Detail |
| Feb 6, 2006 | Series C | $5M | 1 | — | — | Detail |
| Feb 13, 2004 | Series B | $5.57M | 1 | Sequoia Capital | — | Detail |
| Aug 25, 2003 | Series A | $545K | 1 | Sequoia Capital | — | Detail |