CSTL
Castle Biosciences Inc
NASDAQ: CSTL · HEALTHCARE · DIAGNOSTICS & RESEARCH
$24.49
+1.03% today
Updated 2026-04-30
Market cap
$734.37M
P/E ratio
—
P/S ratio
2.13x
EPS (TTM)
$-0.83
Dividend yield
—
52W range
$15 – $44
Volume
0.4M
Castle Biosciences Inc (CSTL) Financial statements
SEC filings — annual and quarterly data.
Cash flow — annual
| Item | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|
| Operating cash flow | $-12.23M | $-12.29M | $7.01M | $9.87M | $-18.98M | $-41.66M | $-5.63M | $64.87M | $64.35M |
| Capital expenditures | $494854.00 | $277036.00 | $937000.00 | $4.75M | $3.48M | $5.63M | $13.62M | $28.33M | $36.02M |
| Depreciation | — | — | — | — | — | — | — | — | — |
| Stock-based comp | $108696.00 | $293639.00 | $1.25M | $8.31M | $21.74M | $36.32M | $51.22M | $50.32M | $45.89M |
| Free cash flow | $-12.73M | $-12.57M | $6.08M | $5.11M | $-22.47M | $-47.29M | $-19.25M | $36.54M | $28.33M |
| Investing cash flow | — | — | — | — | — | — | — | — | — |
| Financing cash flow | — | — | — | — | — | — | — | — | — |
| Dividends paid | $0.00 | $0.00 | — | — | $3.12M | $1.69M | — | — | — |
| Share repurchases | — | — | — | — | — | — | — | — | — |
| Debt repayment | — | — | — | — | — | — | — | — | — |
| Net change in cash | $0.00 | $0.00 | — | — | — | — | — | — | — |