| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Apr 16, 2007 | Series B | $ 20.50M | Alloy Ventures,Austin Ventures,etc. | Detail |
| Jun 29, 2010 | Series D | $ 13.60M | Alloy Ventures,Austin Ventures,etc. | Detail |
| May 30, 2011 | Series E | $ 40M | Alloy Ventures,August Capital,etc. | Detail |
| Jul 5, 2006 | Series A | $ 13M | Austin Ventures,North Bridge Venture Partners & Growth Equity | Detail |
| Dec 17, 2008 | Series C | $ 17.50M | Alloy Ventures,Austin Ventures,etc. | Detail |