Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock Option Activity

The following table summarizes the option activity under the 2020 Plan and 2015 Plan during the three months ended March 31, 2022:

	Number of shares			Weighted- average exercise price		Weighted- average remaining contractual term (in years)
Outstanding at December 31, 2021		4,204,686		$	19.19		8.2
Granted		1,007,090			12.09
Exercised		(21,067	)		3.74
Forfeited		(120,342	)		23.45
Outstanding at March 31, 2022		5,070,367		$	17.74		8.2
Exercisable at March 31, 2022		1,784,571		$	15.17		7.5
Vested and expected to vest at March 31, 2022		5,070,367		$	17.74		8.2

Summary of Restricted Stock Unit Activity

The following table summarizes the restricted stock unit activity under the 2020 Plan during the three months ended March 31, 2022:

	Number of shares			Weighted-average grant date fair value per share
Outstanding at December 31, 2021		—		$	—
Granted		240,888			12.14
Forfeited		(11,470	)		12.14
Vested		—			—
Outstanding at March 31, 2022		229,418		$	12.14

Summary of Share-based Compensation Expense

Share-based compensation expense for the three months ended March 31, 2022 and 2021 was as follows (in thousands):

	Three Months Ended March 31,
	2022		2021
Research and development	$	1,855	$	1,570
General and administrative		2,242		1,777
Total share-based compensation	$	4,097	$	3,347