CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 67,837	$ 101,211
Marketable securities	314,678	318,787
Collaboration receivable	2,044	3,680
Prepaid expenses and other current assets	18,634	16,361
Total current assets	403,193	440,039
Property and equipment, net	10,674	10,928
Restricted cash	3,950	3,950
Right-of-use assets, operating leases	68,423	71,120
Other non-current assets	239	284
Total assets	486,479	526,321
Current liabilities:
Accounts payable	2,188	4,259
Accrued expenses and other current liabilities	7,579	13,343
Income taxes payable	802	667
Operating lease obligations, current portion	6,510	7,559
Deferred revenue, current portion	1,352	13,654
Total current liabilities	18,431	39,482
Operating lease obligations, net of current portion	50,487	51,648
Deferred revenue, net of current portion	301	6,513
Total liabilities	69,219	97,643
Commitments and contingencies (Note 11)
Stockholders’ equity:
Common stock, par value $0.0001; 150,000,000 shares authorized; 37,952,013 shares issued and 37,942,283 shares outstanding as of March 31, 2025; and 37,585,944 shares issued and 37,574,538 shares outstanding as of December 31, 2024	4	4
Additional paid‑in capital	563,512	558,061
Accumulated other comprehensive income (loss)	437	(43)
Accumulated deficit	(146,693)	(129,344)
Total stockholders’ equity	417,260	428,678
Total liabilities and stockholders’ equity	$ 486,479	$ 526,321