Castle Biosciences Inc (CSTL) — Free Cash Flow Generation Index
Castle Biosciences Inc (CSTL) has a Free Cash Flow Generation Index of 0.73x as of December 2025. Free cash flow of $19.75 Million represents 1% of operating cash flow ($26.93 Million). Read Castle Biosciences Inc debt and liabilities for a breakdown of total debt and financial obligations.
FCF Generation Index
Free Cash Flow
Operating Cash Flow
Capital Expenditures
Castle Biosciences Inc Free Cash Flow Generation Index (2019–2025)
Historical FCF Generation Index trend for Castle Biosciences Inc across 4 annual periods. Explore Castle Biosciences Inc (CSTL) reinvestment ratio to see what proportion of operating cash flow is directed to capital expenditures.
Annual Free Cash Flow Generation for Castle Biosciences Inc (2019–2025)
Year-by-year Free Cash Flow Generation Index for Castle Biosciences Inc. For the full company profile including market capitalisation, see Castle Biosciences Inc (CSTL) market capitalisation.
| Year | FCG Index | Free Cash Flow (USD) | Operating CF | Capital Expenditures | YoY Change |
|---|---|---|---|---|---|
| 2025 | 0.44x | $28.33 Million | $64.35 Million | $36.02 Million | ▼ -21.9% |
| 2024 | 0.56x | $36.54 Million | $64.87 Million | $28.33 Million | ▲ +8.7% |
| 2020 | 0.52x | $5.11 Million | $9.87 Million | $4.75 Million | ▼ -40.2% |
| 2019 | 0.87x | $6.08 Million | $7.01 Million | $937.00K | — |