Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 272,639	$ 143,351
Marketable securities	0	73,952
Prepaid expenses and other current assets	7,285	4,036
Total current assets	279,924	221,339
Property and equipment, net	11,563	10,113
Operating right-of-use assets	3,125	4,278
Restricted cash	210	100
Other long-term assets	4,555	4,411
Total assets	299,377	240,241
Current liabilities:
Accounts payable	6,147	14,189
Accrued expenses and other current liabilities	25,298	33,177
Deferred revenue, current	0	6,941
Total current liabilities	31,445	54,307
Operating lease liabilities, net of current portion	4,013	4,769
Total liabilities	35,458	59,076
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued or outstanding at September 30, 2025 and December 31, 2024
Common stock, $0.0001 par value; 300,000,000 shares authorized at September 30, 2025 and December 31, 2024; 91,706,948 and 64,460,829 shares issued and outstanding at September 30, 2025 and December 31, 2024, respectively	9	6
Additional paid-in capital	922,174	696,872
Accumulated other comprehensive income	0	57
Accumulated deficit	(658,264)	(515,770)
Total stockholders' equity	263,919	181,165
Total liabilities and stockholders' equity	$ 299,377	$ 240,241