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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Current assets    
Cash and cash equivalents $ 28,464 $ 32,109
Marketable securities 298,570 264,316
Receivable from contracts with collaborators 6,588 0
Prepaid expenses and other current assets 10,646 10,094
Total current assets 344,268 306,519
Property and equipment, net 302 1,648
Operating lease right-of-use assets 6,026 3,131
Other assets 283 618
Total assets 350,879 311,916
Current liabilities    
Accounts payable 3,057 5,526
Accrued research and development expenses 10,278 7,779
Current portion of long-term debt 0 11,613
Current contract liabilities 20,327 0
Accrued expenses and other current liabilities 17,423 26,680
Total current liabilities 51,085 51,598
Long-term convertible senior notes 197,285 196,591
Long-term debt 0 814
Operating lease liabilities - long-term 4,593 144
Long-term contract liabilities 43,780 0
Total liabilities 296,743 249,147
Commitments and contingencies (Note 9)
Stockholders' equity    
Common stock, $0.0001 par value; 700,000,000 shares authorized as of September 30, 2024 and December 31, 2023; 226,604,138 shares issued and outstanding as of September 30, 2024, and 225,409,315 shares issued and outstanding as of December 31, 2023 23 23
Additional paid-in capital 1,291,883 1,275,136
Accumulated deficit (1,235,539) (1,212,040)
Accumulated other comprehensive loss (2,231) (350)
Total stockholders' equity 54,136 62,769
Total liabilities and stockholders' equity $ 350,879 $ 311,916