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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement [Abstract]

Summary of Stock-Based Compensation Expense

The stock-based compensation expense included in the Company’s condensed statement of operations and comprehensive loss for the three months ended March 31, 2024 and 2023 is as follows (in thousands):

		Three Months Ended March 31,
		2024				2023
Research and development		$	2,292			$	2,012
General and administrative			2,749				2,825
		$	5,041			$	4,837

Summary of Stock Option Activity under 2019 Plan and 2021 Plan

The following table summarizes stock option activity under the 2019 Plan and the 2021 Plan for the three months ended March 31, 2024.

		Shares
Outstanding at December 31, 2023			30,649,239
Granted			8,736,679
Exercised			(37,000	)
Forfeited			(1,124,678	)
Outstanding at March 31, 2024			38,224,240
Exercisable at March 31, 2024			11,877,245

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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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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