PROTHENA CORPORATION PUBLIC LIMITED COMPANY
Cash Flow Statement
| Line Item | Jun 2026 | Mar 2026 | Dec 2025 | Sep 2025 | Jun 2025 | Mar 2025 | Dec 2024 | Sep 2024 |
|---|---|---|---|---|---|---|---|---|
| Operating Activities | ||||||||
| Net Income | $-18.6M | $32.7M | $-21.6M | $-36.5M | $-125.8M | $-60.2M | $-58.0M | $-59.0M |
| Depreciation & Amortization | $197.0K | $184.0K | $218.0K | $229.0K | $225.0K | $223.0K | $221.0K | $226.0K |
| Depreciation | $200.0K | $200.0K | $300.0K | $200.0K | $200.0K | $200.0K | $300.0K | $200.0K |
| Amortization | — | — | — | — | — | — | — | — |
| Stock-Based Compensation | $7.9M | $6.9M | $7.1M | $7.2M | $12.4M | $10.9M | $10.5M | $11.0M |
| Net Cash from Operating Activities | $-25.0M | $28.9M | $-23.3M | $-40.6M | $-46.3M | $-53.4M | $-47.8M | $-45.2M |
| Investing Activities | ||||||||
| Capital Expenditures | — | — | — | — | — | — | — | — |
| Business Acquisitions | — | — | — | — | — | — | — | — |
| Net Cash from Investing Activities | $-652.0K | $0 | $0 | $-10.0K | $-86.0K | $-42.0K | $-43.0K | $-9.0K |
| Financing Activities | ||||||||
| Dividends Paid | — | — | — | — | — | — | — | — |
| Stock Repurchases | — | — | — | — | — | — | — | — |
| Net Cash from Financing Activities | $-15.6M | $-6.9M | $0 | $-17.0K | $-74.0K | $-48.0K | $-59.0K | $333.0K |
| Net Change in Cash | — | — | — | — | — | — | — | — |
| Free Cash Flow | — | — | — | — | — | — | — | — |