Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 96,554	$ 172,560
Marketable securities	400,523	351,721
Collaboration receivable	1,399	3,255
Prepaid expenses and other current assets	13,174	15,215
Total current assets	511,650	542,751
Property and equipment, net	18,457	18,644
Restricted cash	4,774	4,774
Operating lease right-of-use assets	76,217	78,082
Other long term assets	3,065	3,141
Total assets	614,163	647,392
Current liabilities:
Accounts payable	5,352	4,520
Accrued expenses	17,053	24,342
Deferred revenue, current	19,060	3,605
Lease liability, current portion	10,516	10,442
Total current liabilities	51,981	42,909
Long-term lease liability	58,120	59,541
Success payment liability	959	1,182
Deferred revenue, non-current	29,520	50,265
Other long term liabilities	70	95
Total liabilities	140,650	153,992
Commitments and contingencies (See Note 7, Note 8)
Stockholders' equity
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized, 88,796,578 and 88,758,218 shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively	89	89
Additional paid-in capital	1,247,078	1,235,897
Accumulated other comprehensive income	393	428
Accumulated deficit	(774,047)	(743,014)
Total stockholders equity	473,513	493,400
Total liabilities and stockholders' equity	$ 614,163	$ 647,392