Investor Name	Invest Money	Lead Investor	Propotion
Kohlberg Kravis Roberts	-	Yes	-	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
Jul 1, 2014	Series G	$ 150M	Coatue,TPG	Detail
Dec 5, 2013	Series F	$ 100M	Coatue,DFJ Growth,etc.	Detail
Oct 17, 2013	Non-Equity Assistant	0	Future Fifty	Detail
Jan 29, 2013	Series E	$ 25M	General Atlantic,Scale Venture Partners,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
Jan 23, 2015	IPO	$ 175M		Detail