CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 101,211	$ 67,602
Marketable securities	318,787	284,367
Collaboration receivable	3,680	5,878
Prepaid expenses and other current assets	16,361	11,924
Total current assets	440,039	369,771
Property and equipment, net	10,928	11,191
Restricted cash	3,950	3,950
Right-of-use assets, operating leases	71,120	81,490
Other non-current assets	284	2,790
Total assets	526,321	469,192
Current liabilities:
Accounts payable	4,259	3,277
Accrued expenses and other current liabilities	13,343	11,325
Income taxes payable	667	4,024
Operating lease obligations, current portion	7,559	7,909
Deferred revenue, current portion	13,654	132,261
Total current liabilities	39,482	158,796
Operating lease obligations, net of current portion	51,648	60,321
Deferred revenue, net of current portion	6,513	7,715
Total liabilities	97,643	226,832
Commitments and contingencies (Note 10)
Stockholders’ equity:
Common stock, par value $0.0001; 150,000,000 shares authorized; 37,585,944 shares issued and 37,574,538 shares outstanding as of December 31, 2024 and 33,461,771 shares issued and 33,437,296 shares outstanding as of December 31, 2023	4	3
Additional paid‑in capital	558,061	437,132
Accumulated other comprehensive (loss) income	(43)	195
Accumulated deficit	(129,344)	(194,970)
Total stockholders’ equity	428,678	242,360
Total liabilities and stockholders’ equity	$ 526,321	$ 469,192