| Investor Name | Invest Money | Lead Investor | Propotion | |
|---|---|---|---|---|
| General Atlantic | - | - | - | Detail |
| Scale Venture Partners | - | - | - | Detail |
| U.S. Venture Partners | - | - | - | Detail |
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Oct 28, 2011 | Series D | $ 81M | Andreessen Horowitz,Bessemer Venture Partners,etc. | Detail |
| Sep 1, 2005 | Angel | $ 350K | Mark Cuban | Detail |
| Oct 15, 2009 | Series B | $ 7.10M | U.S. Venture Partners | Detail |
| Jul 31, 2012 | Series E | $ 125M | Bessemer Venture Partners,General Atlantic,etc. | Detail |
| Oct 1, 2006 | Series A | $ 1.50M | Detail | |
| Feb 24, 2011 | Series D | $ 48M | Andreessen Horowitz,Emergence,etc. | Detail |
| Apr 7, 2010 | Series C | $ 15M | Scale Venture Partners,U.S. Venture Partners | Detail |
| Jan 23, 2008 | Series B | $ 6M | U.S. Venture Partners | Detail |