Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	[1]
Current assets
Cash and cash equivalents	$ 114,297	$ 63,234
Short-term investments	368,092	431,011
Prepaid expenses and other current assets (Note 5)	7,509	11,257
Total current assets	489,898	505,502
Property and equipment, net	5,605	3,567
Operating lease right-of-use assets (Note 14)	24,228	1,211
Restricted cash	1,482	1,482
Other non-current assets	392	392
Total assets	521,605	512,154
Current liabilities
Accounts payable	7,327	4,531
Accrued research and development	16,423	12,456
Accrued liabilities (Note 6)	5,868	10,219
Operating lease liabilities, current (Note 14)	773	1,318
Total current liabilities	30,391	28,524
Operating lease liabilities, non-current (Note 14)	23,880	0
Long-term debt (Note 7)	30,002	10,054
Total liabilities	84,273	38,578
Commitments and Contingencies (Note 13)
Stockholders’ equity
Preferred stock, $0.0001 par value per share; 10,000,000 shares authorized at March 31, 2024 and December 31, 2023, and none issued or outstanding at March 31, 2024 and December 31, 2023 (Note 9)	0	0
Common stock, $0.0001 par value per share; 300,000,000 shares authorized at March 31, 2024 and December 31, 2023; and 60,318,542 and 59,921,002 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively; (Note 10)	6	6
Additional paid-in capital	984,518	972,973
Accumulated deficit	(546,703)	(499,748)
Accumulated other comprehensive (loss) gain	(489)	345
Total stockholders’ equity	437,332	473,576
Total liabilities and stockholders’ equity	$ 521,605	$ 512,154

[1] The condensed balance sheet as of December 31, 2023 has been derived from the audited financial statements as of that date.