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v3.25.2

Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Cash flows from operating activities: |  |
Net (loss) income | $ 21.7 | $ (104.6)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Depreciation and amortization | 1.5 | 2.4
Net accretion of bond discounts/premiums | (7.3) | (11.2)
Amortization of right-of-use assets | 1.2 | 1.0
Amortization of collaboration contract asset | 3.7 | 1.7
Stock-based compensation | 25.3 | 40.2
Changes in operating assets and liabilities: |  |
Accounts receivable | 5.2 | 0.0
Other receivables | (2.6) | (2.8)
Prepaid expenses and other assets | (3.1) | (6.0)
Collaboration contract asset | 0.0 | (3.0)
Accounts payable and accrued liabilities | (17.6) | (13.9)
Operating lease liability | (1.0) | (1.0)
Deferred revenue | (211.3) | 50.0
Net cash used in operating activities | (184.3) | (47.2)
Cash flows from investing activities: |  |
Purchases of marketable securities | (237.6) | (440.4)
Maturities of marketable securities | 437.5 | 326.4
Purchases of property, equipment and leasehold improvements | (1.6) | (0.8)
Proceeds from disposal of property, equipment and leaseholds improvements | 0.0 | 0.1
Net cash provided by (used in) investing activities | 198.3 | (114.7)
Cash flows from financing activities: |  |
Repayments of long-term debt | (0.1) | (0.3)
Proceeds from exercise of stock options and issuance of ESPP shares | 0.5 | 5.3
Net cash provided by financing activities | 0.4 | 5.0
Net increase (decrease) in cash, cash equivalents and restricted cash | 14.4 | (156.9)
Cash, cash equivalents and restricted cash, beginning of the period | 100.5 | 317.2
Cash, cash equivalents and restricted cash, end of the period | 114.9 | 160.3
Supplemental disclosure of cash flow information: |  |
Cash paid for taxes | $ 0.0 | $ 1.5

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