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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Share-Based Payment Arrangement [Abstract]

Summary of Combined Stock Option Activity under 2018 Plan and 2021 Plan

The following table summarizes stock option activity under the 2018 Plan and 2021 Plan for the year ended December 31, 2025:

		Options				Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (in thousands)
Outstanding at December 31, 2024			5,522,353			$	8.17				6.91			$	8,068
Granted			1,596,043				7.14
Exercised			(247,993	)			4.30
Cancelled/Forfeited			(402,821	)			10.35
Outstanding at December 31, 2025			6,467,582			$	7.93				6.96			$	1,503
Exercisable at December 31, 2025			3,908,454			$	8.07				5.79			$	1,503

Schedule of Fair Value of Stock Options, Valuation Assumptions

The fair value of the stock options issued as of December 31, 2025 and 2024 was measured with the following weighted-average assumptions:

	Year Ended December 31,
	2025				2024
Risk-free interest rate		4.26	%			3.93	%
Expected term (years)		6.05				6.03
Expected volatility of the underlying stock		91.65	%			88.63	%
Expected dividend rate		—	%			—	%

Schedule of Nonvested Restricted Stock Units Activity

A summary of the restricted stock units activity during the year ended December 31, 2025 is as follows:

		Restricted Stock Units				Weighted- Average Grant Date Fair Value
Unvested at December 31, 2024			1,589,042			$	8.76
Granted			1,837,279				7.30
Vested/Released			(532,401	)			9.01
Forfeited			(203,143	)			8.46
Unvested at December 31, 2025			2,690,777			$	7.74

Summary of Stock-Based Compensation Expense

The Company recorded stock-based compensation expense as follows (in thousands):

		Year Ended December 31,
		2025				2024
Research and development		$	7,825			$	5,696
General and administrative			6,492				6,026
Total		$	14,317			$	11,722

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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 of the changes in outstanding nonvested restricted stock units.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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