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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Current assets:    
Cash and cash equivalents $ 281,967 $ 435,895
Marketable securities 568,773 753,981
Prepaid expenses and other current assets 27,409 21,167
Total current assets 878,149 1,211,043
Property and equipment, net 111,412 124,960
Restricted cash 8,144 8,719
Operating lease right-of-use assets 104,865 112,846
Other assets 1,254 2,146
Total assets 1,103,824 1,459,714
Current liabilities:    
Accounts payable 3,871 1,617
Accrued expenses and other current liabilities 47,468 111,664
Current portion of derivative liabilities 8,400 10,800
Current portion of deferred revenue 108,858 68,706
Current portion of lease liability 13,469 12,778
Total current liabilities 182,066 205,565
Long-term lease liability 147,956 159,911
Contingent consideration liabilities 1,131 2,723
Long-term portion of deferred revenue 33,218 109,888
Long-term portion of derivative liabilities 5,404  
Other liabilities 504 298
Total liabilities 370,279 478,385
Commitments and contingencies (See Note 9, License agreements and Note 10, Collaboration and license agreements)
Stockholders' equity:    
Preferred stock, $0.01 par value; 25,000,000 shares authorized, and no shares issued or outstanding at December 31, 2024 and December 31, 2023, respectively
Common stock, $0.01 par value; 250,000,000 shares authorized, 83,633,069 and 81,632,496 issued and outstanding at December 31, 2024 and December 31, 2023, respectively 836 816
Additional paid-in capital 2,298,661 2,169,798
Accumulated other comprehensive (loss) income 679 604
Accumulated deficit (1,566,631) (1,189,889)
Total stockholders' equity 733,545 981,329
Total liabilities and stockholders' equity $ 1,103,824 $ 1,459,714