Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 81,526	$ 405,732
Marketable securities	294,387
Prepaid expenses and other current assets	4,036	3,745
Total current assets	379,949	409,477
Operating lease right-of-use assets	26,921	28,222
Restricted cash	567	567
Property and equipment, net	10,611	10,379
Other non-current assets	4,381	4,391
Total assets	422,429	453,036
Current liabilities:
Accounts payable	7,169	5,013
Accrued clinical and research and development expenses	10,462	7,242
Accrued expenses and other current liabilities	3,381	6,629
Operating lease liabilities, current	1,637	2,278
Total current liabilities	22,649	21,162
Operating lease liabilities, non-current	26,568	26,263
Other non-current liabilities		225
Total liabilities	49,217	47,650
Stockholders' equity:
Common stock	39	41
Additional paid-in capital	554,409	550,491
Accumulated other comprehensive loss	(279)
Accumulated deficit	(180,957)	(145,146)
Total stockholders' equity	373,212	405,386
Total liabilities and stockholders' equity	$ 422,429	$ 453,036