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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Summary of Stock Option Activity

The following table summarizes the option activity under the 2020 Plan and 2015 Plan during the six months ended June 30, 2023:

		Number of shares				Weighted- average exercise price				Weighted- average remaining contractual term (in years)
Outstanding at December 31, 2022			5,519,275			$	17.17				8.1
Granted			1,591,028				5.44
Exercised			(6,145	)			3.61
Forfeited			(346,329	)			15.08
Outstanding at June 30, 2023			6,757,829			$	14.53				7.7
Exercisable at June 30, 2023			3,190,539			$	16.68				6.5
Vested and expected to vest at June 30, 2023			6,757,829			$	14.53				7.7

Summary of Restricted Stock Unit Activity

The following table summarizes the restricted stock unit activity under the 2020 Plan during the six months ended June 30, 2023:

		Number of shares				Weighted-average grant date fair value per share
Outstanding at December 31, 2022			356,728			$	12.66
Granted			503,639				5.57
Vested			(78,543	)			12.18
Forfeited			(64,868	)			7.58
Outstanding at June 30, 2023			716,956			$	8.19

Summary of Share-based Compensation Expense

Share-based compensation expense for the three and six ended June 30, 2023 and 2022 was as follows (in thousands):

		Three Months Ended June 30,								Six Months Ended June 30,
		2023				2022				2023				2022
Research and development		$	2,123			$	1,602			$	4,205			$	3,457
General and administrative			2,527				2,310				5,191				4,552
Total share-based compensation		$	4,650			$	3,912			$	9,396			$	8,009

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

+ References

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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