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08 Sep 2011
$400,000,000
Secondary market
01 Aug 2011
$400,000,000
Venture capital (Series G)
01 Dec 2010
$200,000,000
Venture capital (Series F)
08 Jan 2010
$5,166,511
Venture capital (Series E)
01 Sep 2009
01 Feb 2009
$35,000,000
Venture capital (Series C)
01 May 2008
$15,000,000
Venture capital (Series B)
01 Jul 2007
$5,000,000
Venture capital (Series A)
CRV