Net Loss per Share Attributable to Common Stockholders (Tables)

12 Months Ended

Jan. 31, 2018

Schedule of Basic and Diluted Net Loss Per Share Attributable to Common Stockholders

The computation of basic and diluted net loss per share attributable to common stockholders is as follows (in thousands, except share and per share data):

	Year Ended January 31,
	2016			2017			2018
Numerator:
Net loss	$	(100,968	)	$	(105,801	)	$	(157,659	)
Deemed dividend to Series E and E-1 Convertible Preferred Stock		—			—			(6,588	)
Impact of adjustment to Series E, E-1 and F Convertible Preferred Stock		—			—			26,336
Net loss attributable to common stockholders	$	(100,968	)	$	(105,801	)	$	(137,911	)

Denominator:
Weighted-average common shares outstanding		3,299,908			3,523,695			19,805,320
Weighted-average unvested common shares subject to repurchase		(158,961	)		(81,146	)		(41,636	)
Weighted-average shares—basic and diluted		3,140,947			3,442,549			19,763,684
Net loss per share attributable to common stockholders—basic and diluted	$	(32.15	)	$	(30.73	)	$	(6.98	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The potential absolute shares of common stock that 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 antidilutive are as follows:

	As of January 31,
	2017		2018
	(in shares)
Convertible preferred stock (on an if-converted basis)		10,610,966		—
Stock options and RSUs		4,753,796		11,072,139
Early exercised stock options		49,233		—
Convertible preferred stock warrants		40,250		—
Common stock warrants		25,000		1,897,562
Total		15,479,245		12,969,701