BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 12,474	$ 25,291
Marketable securities	121,140	207,644
Prepaid expenses and other current assets	2,281	2,654
Total current assets	135,895	235,589
Restricted cash	4,044	4,044
Property and equipment, net	6,767	7,325
Right-of-use asset	28,699	30,412
Prepaid expenses and other non-current assets	110	295
Total assets	175,515	277,665
Current liabilities:
Accounts payable	7,732	4,580
Accrued expenses and other current liabilities	15,209	15,768
Operating lease liability	2,492	1,481
Finance lease liability	208
Total current liabilities	25,641	21,829
Other liabilities	3,090	3,339
Operating lease liability	15,325	15,407
Total liabilities	44,056	40,575
Commitments (note 8)
Stockholders’ equity:
Additional paid-in capital	714,982	693,252
Accumulated other comprehensive income	35	223
Accumulated deficit	(583,563)	(456,390)
Total stockholders’ equity	131,459	237,090
Total liabilities and stockholders’ equity	175,515	277,665
Voting Common Stock
Stockholders’ equity:
Common stock	4	4
Non-voting Common Stock
Stockholders’ equity:
Common stock	$ 1	$ 1