Net Loss per Share

12 Months Ended

Dec. 31, 2022

15. Net Loss per Share

Basic and diluted net loss per share attributable to common stockholders was calculated as follows (in thousands, except share and per share amounts):


	2022			2021
Numerator:
Net loss attributable to common stockholders	$	(241,317	)	$	(226,790	)
Denominator:
Weighted-average common shares outstanding, basic and diluted		108,268,289			42,621,265
Net loss per share attributable to common stockholders, basic and diluted	$	(2.23	)	$	(5.32	)

Shares of unvested restricted common stock are not considered outstanding for accounting purposes until vested and were excluded from the calculations of basic net loss per share attributable to common stockholders for all periods presented.

The Company’s potential dilutive securities have been excluded from the computation of diluted net loss per share as the effect would be to reduce the net loss per share. Therefore, the weighted-average number of common shares outstanding used to calculate both basic and diluted net loss per share attributable to common stockholders is the same. The Company excluded the following potential common shares, presented based on amounts outstanding at each period end, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated, because including them would have had an anti-dilutive effect:


	2022		2021
Stock options to purchase common stock		23,239,391		18,871,592
Unvested restricted common stock		360,333		3,082,175
Warrants to purchase common stock		6,824,712		—
		30,424,436		21,953,767