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Consolidated Balance Sheets - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 182,927 $ 374,038
Short-term marketable securities 239,788 79,944
Prepaid expenses and other current assets 20,070 24,297
Total current assets 442,785 478,279
Long-term marketable securities 302 9,845
Property and equipment, net 1,635 1,790
Operating lease right-of-use assets 4,276 5,068
Restricted cash 1,213 1,213
Total assets 450,211 496,195
Current liabilities:    
Accounts payable 1,492 337
Accrued liabilities 19,493 21,257
Early exercise liability, current portion 133 139
Operating lease liabilities, current portion 3,491 3,378
Total current liabilities 24,609 25,111
Operating lease liabilities, net of current portion 938 1,853
Early exercise liability, net of current portion 122 155
Total liabilities 25,669 27,119
Commitments and contingencies
Stockholders' equity (deficit):    
Common stock 16 16
Additional paid-in capital 1,181,829 1,172,570
Accumulated other comprehensive loss (148) (76)
Accumulated deficit (757,155) (703,434)
Total stockholders' equity 424,542 469,076
Total liabilities and stockholders' equity $ 450,211 $ 496,195