Net Loss Per Share Attributable to Common Stockholders (Tables)

12 Months Ended

Jan. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

The following table sets forth the computation of the basic and diluted net loss per share attributable to common stockholders:

	Fiscal year ended January 31,
(in thousands, except share and per share data)	2020		2019		2018
Numerator:
Net loss attributable to common stockholders	$	(121,544)	$	(74,837)	$	(66,565)
Denominator:
Weighted-average common shares outstanding	111,758,946		98,387,366		78,632,448
Net loss per share attributable to common stockholders, basic and diluted	$	(1.09)	$	(0.76)	$	(0.85)

Schedule of Antidilutive Securities

Anti-dilutive common equivalent shares were as follows:

	As of January 31,
	2020	2019	2018
Options to purchase common stock	12,371,254	15,977,235	22,512,856
Restricted stock and restricted stock units	9,910,729	7,703,705	4,457,585
Shares estimated to be purchased under ESPP	284,222	176,241	482,988
Total anti-dilutive common equivalent shares	22,566,205	23,857,181	27,453,429