v3.26.3
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Cash flows used in operating activities:    
Net loss $ (70,607) $ (84,508)
Adjustments to reconcile net loss to cash used in operating activities:    
Stock-based compensation expense 8,687 15,092
Impairment of long-lived assets 0 10,733
Depreciation and amortization expense 1,016 1,531
Reduction in carrying amount of right-of-use asset 4,362 5,005
Net accretion of discounts on marketable securities (1,739) (1,879)
Other 68 78
Changes in operating assets and liabilities:    
Accounts receivable 996 (3,440)
Prepaid expenses and other current and long-term assets (1,411) 3,402
Accounts payable 105 4
Accrued expenses and other current liabilities 828 (8,118)
Operating lease liability (4,736) (4,294)
Deferred revenue 4,947 (10,155)
Net cash used in operating activities (57,484) (76,549)
Cash flows provided by (used in) investing activities:    
Proceeds from maturities of marketable securities 161,130 166,731
Purchases of marketable securities (180,269) (94,003)
Purchases of property and equipment, net (101) (596)
Net cash provided by (used in) investing activities (19,240) 72,132
Cash flows provided by financing activities:    
Proceeds from exercise of stock options 1,006 107
Proceeds from issuance of common stock from at-the-market equity offering 33,548 7,526
Proceeds from exercise of warrants 2 0
Payments for repurchase of common stock for tax withholding (239) (179)
Other 229 273
Net cash provided by financing activities 34,546 7,727
Net change in cash, cash equivalents, and restricted cash (42,178) 3,310
Cash, cash equivalents, and restricted cash at beginning of period 78,046 58,942
Cash, cash equivalents, and restricted cash at end of period 35,868 62,252
Reconciliation of cash, cash equivalents, and restricted cash:    
Cash, cash equivalents, and restricted cash at end of period 35,868 62,252
Less: restricted cash (3,443) (3,443)
Cash and cash equivalents at end of the period 32,425 58,809
Supplemental disclosures of cash flow information:    
Cash paid for leases 7,016 6,812
Supplemental disclosures of non-cash investing activities:    
Capital expenditures in accounts payable and accrued expenses $ 0 $ 25