
	Year Ended January 31,
	2020		2019		2018
	(in thousands, except per share data)
Common Stock
Net loss	$	—	$	(140,077)	$	(135,490)
Accretion of redeemable convertible preferred stock	—		—		(5,853)
Net loss attributable to common stockholders	$	—	$	(140,077)	$	(141,343)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	—		44,863		41,876
Net loss per share attributable to common stockholders, basic and diluted	$	—	$	(3.12)	$	(3.38)
Class A Common Stock
Net loss attributable to common stockholders	$	(23,369)	$	—	$	—
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	24,405		—		—
Net loss per share attributable to common stockholders, basic and diluted	$	(0.96)	$	—	$	—
Class B Common Stock
Net loss attributable to common stockholders	$	(118,410)	$	—	$	—
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	123,657		—		—
Net loss per share attributable to common stockholders, basic and diluted	$	(0.96)	$	—	$	—

Since the Company was in a net loss position for all periods presented, basic net loss per share is the same as diluted net loss per share as the inclusion of all potential common shares outstanding would have been antidilutive. The potential 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:


	Year Ended January 31,
	2020	2019	2018
	(in thousands)
Shares of common stock issuable upon conversion of redeemable convertible preferred stock	—	131,268	118,693
Shares of common stock issuable upon conversion of redeemable convertible preferred stock warrants	—	336	336
Shares of common stock subject to repurchase from outstanding stock options	984	546	872
RSUs and PSUs subject to future vesting	6,063	—	—
Shares of common stock issuable from stock options	14,689	26,535	23,194
Share purchase rights under the employee stock purchase plan	1,458	—	—
Potential common shares excluded from diluted net loss per share	23,194	158,685	143,095