CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 91,877	$ 182,476
Collaboration receivable — related party	17	0
Prepaid expenses	2,948	6,777
Other current assets	16,544	14,667
Total current assets	163,765	211,886
Property and equipment, net	24,956	24,404
Operating lease right-of-use assets	125,380	47,156
Restricted cash	14,062	14,062
Total assets	328,163	297,508
Current liabilities:
Accounts payable	10,025	11,351
Accrued expenses and other current liabilities	9,191	15,904
Deferred revenue — related party	8,214	7,092
Operating lease liability	6,858	3,614
Total current liabilities	34,288	37,961
Deferred revenue, net of current — related party	60,658	63,218
Operating lease liability, net of current	114,293	37,180
Research and development funding liability	12,000	6,000
Total liabilities	221,239	144,359
Commitments and contingencies
Stockholders’ equity
Common stock, par value of $0.00001 per share; 775,000,000 shares authorized; 131,160,842 and 131,160,842 shares issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	2	2
Additional paid-in capital	846,039	840,358
Accumulated other comprehensive loss	(15)	1
Accumulated deficit	(739,102)	(687,212)
Total stockholders’ equity	106,924	153,149
Total liabilities and stockholders’ equity	328,163	297,508
Nonrelated Party
Current assets:
Short-term investments	48,467	2,998
Related Party
Current assets:
Short-term investments	$ 3,912	$ 4,968