Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 85,650	$ 340,396
Marketable securities	456,933	270,331
Prepaid and other assets	12,904	12,215
Total current assets	555,487	622,942
Property and equipment, net	8,130	6,254
Restricted cash	295	251
Right-of-use assets	8,907	8,755
Other assets	344	598
Total assets	573,163	638,800
Current liabilities:
Accounts payable and accrued liabilities	31,981	32,572
Accrued compensation	11,165	11,190
Lease liabilities, current portion	3,602	3,105
Deferred revenue, current portion	1,968	5,041
Total current liabilities	48,716	51,908
Lease liabilities, net of current portion	6,979	7,582
Deferred revenue, net of current portion	0	1,235
Total liabilities	55,695	60,725
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.0001 par value; authorized shares – 400,000; issued and outstanding shares – 74,101 and 69,768 at September 30, 2023 and December 31, 2022, respectively	7	7
Additional paid-in capital	1,029,660	939,310
Accumulated other comprehensive loss	(1,878)	(2,698)
Accumulated deficit	(510,321)	(358,544)
Total stockholders’ equity	517,468	578,075
Total liabilities and stockholders’ equity	$ 573,163	$ 638,800