Net Loss per Share Attributable to Common Stockholders (Tables)

9 Months Ended

Oct. 31, 2015

Summary of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders (in thousands, except per share data):

	Three Months Ended October 31,						Nine Months Ended October 31,
	2014			2015			2014				2015
Net loss	$	(40,397	)	$	(56,501	)	$	(135,596	)	$	(169,458	)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted		28,280			74,565			26,769			47,109
Net loss per share attributable to common stockholders, basic and diluted	$	(1.43	)	$	(0.76	)	$	(5.07	)	$	(3.60	)

Summary of Weighted-average Outstanding Shares Excluded from Computation of Diluted Net Loss per Share Attributable to Common Stockholders

The following weighted-average outstanding shares of common stock equivalents were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been anti-dilutive (in thousands):

	Three Months Ended October 31,			Nine Months Ended October 31,
	2014		2015	2014		2015
Convertible preferred stock (on an if-converted basis)		122,250	—		116,215	—
Stock options to purchase common stock		50,433	63,738		49,589	59,611
Early exercised stock options and restricted stock awards		7,871	3,318		9,086	3,849
Total		180,554	67,056		174,890	63,460