BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,828	$ 25,291
Marketable securities	152,016	207,644
Prepaid expenses and other current assets	2,870	2,654
Total current assets	182,714	235,589
Restricted cash	4,044	4,044
Property and equipment, net	7,554	7,325
Operating lease right-of-use asset	29,574	30,412
Other assets	405	295
Total assets	224,291	277,665
Current liabilities:
Accounts payable	6,170	4,580
Accrued expenses and other current liabilities	11,426	15,768
Deferred revenue	3,000
Operating lease liability	2,232	1,481
Finance lease liability	507
Total current liabilities	23,335	21,829
Other liabilities	3,215	3,339
Operating lease liability	15,465	15,407
Total liabilities	42,015	40,575
Commitments (Note 8)
Stockholders’ equity:
Additional paid-in capital	705,122	693,252
Accumulated other comprehensive (loss) income	(290)	223
Accumulated deficit	(522,561)	(456,390)
Total stockholders’ equity	182,276	237,090
Total liabilities and stockholders’ equity	224,291	277,665
Voting Common Stock
Stockholders’ equity:
Common stock	4	4
Non-voting Common Stock
Stockholders’ equity:
Common stock	$ 1	$ 1