Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 46,074	$ 32,109
Marketable securities	248,444	264,316
Receivable from contracts with collaborators	5,338	0
Prepaid expenses and other current assets	10,032	10,094
Total current assets	309,888	306,519
Property and equipment, net	10	1,648
Operating lease right-of-use assets	5,111	3,131
Other assets	283	618
Total assets	315,292	311,916
Current liabilities
Accounts payable	2,319	5,526
Accrued research and development expenses	10,455	7,779
Current portion of long-term debt	0	11,613
Current contract liabilities	17,050	0
Accrued expenses and other current liabilities	15,186	26,680
Total current liabilities	45,010	51,598
Long-term convertible senior notes	197,523	196,591
Long-term debt	0	814
Operating lease liabilities - long-term	4,398	144
Long-term contract liabilities	38,869	0
Total liabilities	285,800	249,147
Commitments and contingencies (Note 11)
Stockholders' equity
Common stock, $0.0001 par value; 700,000,000 shares authorized as of December 31, 2024 and December 31, 2023; 226,604,138 shares issued and outstanding as of December 31, 2024, and 225,409,315 shares issued and outstanding as of December 31, 2023	23	23
Additional paid-in capital	1,296,848	1,275,136
Accumulated deficit	(1,268,568)	(1,212,040)
Accumulated other comprehensive income (loss)	1,189	(350)
Total stockholders' equity	29,492	62,769
Total liabilities and stockholders' equity	$ 315,292	$ 311,916