Investor Name	Invest Money	Lead Investor	Propotion
Square 1 Bank	-	Yes	-	Detail

Announced Date	Round	Money Raised	Investors
Aug 1, 2006	Series B	$ 5M	Access Venture Partners,Covera Ventures,etc.	Detail
Mar 4, 2008	Series C	$ 8.25M	Access Venture Partners,Covera Ventures,etc.	Detail
Sep 19, 2005	Series A	$ 2.30M	Access Venture Partners,DFJ Mercury,etc.	Detail
Jun 6, 2012	Series Unknown	$ 7.44M	Welsh Carson Anderson & Stowe	Detail
Jun 5, 2012	Series F	$ 12.20M	Access Venture Partners,Covera Ventures,etc.	Detail
Aug 20, 2013	Private Equity（PE）	$ 266M	Welsh Carson Anderson & Stowe	Detail
Apr 11, 2011	Series E	$ 12.60M	Access Venture Partners,Covera Ventures,etc.	Detail
Oct 5, 2009	Series D	$ 3.51M		Detail