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v3.26.1

Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Cash flows from operating activities: |  |
Net (loss) income | $ (57.6) | $ 82.9
Adjustments to reconcile net (loss) income to net cash used in operating activities: |  |
Depreciation and amortization | 0.7 | 0.7
Net accretion of bond discounts/premiums | (1.7) | (3.8)
Amortization of right-of-use assets | 0.4 | 0.6
Amortization of collaboration contract asset | 0.3 | 3.3
Stock-based compensation | 12.1 | 15.0
Changes in operating assets and liabilities: |  |
Accounts receivable | (0.8) | 5.3
Other receivables | 0.8 | 0.0
Prepaid expenses and other assets | (0.6) | (2.7)
Accounts payable and accrued liabilities | (6.8) | (0.8)
Operating lease liability | (0.4) | (0.5)
Deferred revenue | (15.6) | (188.9)
Net cash used in operating activities | (69.2) | (88.9)
Cash flows from investing activities: |  |
Purchases of marketable securities | (178.9) | (119.6)
Maturities of marketable securities | 165.0 | 189.5
Sales of marketable securities | 28.9 | 0.0
Purchases of property, equipment and leasehold improvements | (1.3) | (0.4)
Net cash provided by investing activities | 13.7 | 69.5
Cash flows from financing activities: |  |
Repayments of long-term debt | (0.1) | (0.1)
Net cash used in financing activities | (0.1) | (0.1)
Net decrease in cash and cash equivalents | (55.6) | (19.5)
Cash and cash equivalents, beginning of the period | 142.9 | 100.5
Cash and cash equivalents, end of the period | 87.3 | 81.0
Supplemental disclosure of cash flow information: |  |
Purchases of property, equipment and leasehold improvements unpaid at period end | $ 0.0 | $ 0.1

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