Castle Biosciences reported cash from operations of $19.74M and free cash flow of $12.25M for the quarter ended Sep 2026, down 12.8% year over year. This cash flow statement covers 34 quarters of results from Jun 2018 through Sep 2026, standardized by Business Quant from the company’s SEC filings.
| Cash Flow StatementCash Flow | Jun2018 | Sep2018 | Dec2018 | Mar2019 | Jun2019 | Sep2019 | Dec2019 | Mar2020 | Jun2020 | Sep2020 | Dec2020 | Mar2021 | Jun2021 | Sep2021 | Dec2021 | Mar2022 | Jun2022 | Sep2022 | Dec2022 | Mar2023 | Jun2023 | Sep2023 | Dec2023 | Mar2024 | Jun2024 | Sep2024 | Dec2024 | Mar2025 | Jun2025 | Sep2025 | Dec2025 | Mar2026 | Jun2026 | Sep2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating Activities | ||||||||||||||||||||||||||||||||||
| Net Income | -6.43M | -24.62M | -1.65M | -20.25M | -20.62M | -29.20M | -18.78M | -6.91M | -2.58M | -2.53M | 8.92M | 2.27M | 9.59M | -25.85M | 4.52M | -0.50M | -2.33M | -14.52M | -2.06M | -4.10M | ||||||||||||||
| Depreciation and DepletionDep. & Depletion | 0.44M | 0.50M | 0.53M | 0.62M | 0.63M | 0.67M | 0.79M | 0.90M | 0.95M | 1.09M | 1.10M | 1.27M | 1.43M | 1.44M | 1.45M | 1.54M | 1.50M | 1.70M | 1.82M | 2.08M | ||||||||||||||
| Depreciation, Depletion & Amortization | ||||||||||||||||||||||||||||||||||
| Amortization of IntangiblesAmort. of Intangibles | ||||||||||||||||||||||||||||||||||
| Amortization of Deferred ChargesAmort. Deferred Charges | ||||||||||||||||||||||||||||||||||
| Depreciation & Amortization (CF)Dep. & Amort. | 1.45M | 2.15M | 2.63M | 2.92M | 2.84M | 2.89M | 3.04M | 3.17M | 3.22M | 3.34M | 3.35M | 3.54M | 5.77M | 29.76M | 3.41M | 3.82M | 3.78M | 3.93M | 4.07M | 4.18M | ||||||||||||||
| Share-based CompensationStock Comp. | 6.85M | 8.42M | 8.78M | 9.20M | 9.92M | 13.53M | 12.85M | 13.04M | 11.80M | 12.68M | 13.18M | 13.03M | 11.44M | 11.18M | 11.21M | 12.10M | 11.41M | 9.78M | 11.59M | 11.23M | ||||||||||||||
| Deferred Taxes | -8.74M | 0.12M | -1.96M | -0.04M | 0.01M | -0.24M | -1.54M | 5.25M | -2.31M | -0.77M | -4.67M | 0.12M | -0.91M | -0.01M | 0.00M | 0.08M | ||||||||||||||||||
| Gains from Investment SecuritiesGains Investment | 0.56M | -1.43M | 1.19M | 3.56M | -1.86M | 2.02M | -0.63M | -3.43M | ||||||||||||||||||||||||||
| Other non-cash itemsOther Non-Cash | 0.10M | 2.57M | -20.40M | -0.15M | -0.33M | 0.21M | 0.35M | 0.18M | -0.10M | 0.13M | 0.06M | 0.03M | 0.19M | 0.06M | -0.13M | 0.53M | 0.24M | 0.14M | ||||||||||||||||
| Change in Working Capital | ||||||||||||||||||||||||||||||||||
| Change in ReceivablesChange Receivables | -1.46M | 2.73M | 2.90M | 0.05M | 0.54M | 4.38M | 3.60M | 5.80M | 1.15M | 4.26M | 3.36M | 4.25M | 0.77M | 5.22M | -3.91M | -1.91M | -6.27M | -1.08M | 5.82M | 3.36M | ||||||||||||||
| Change in InventoryChange Inventory | -0.36M | 0.33M | 0.74M | 0.44M | 0.18M | 0.54M | 1.60M | -0.35M | 2.17M | -0.30M | 0.37M | -1.44M | 1.56M | -1.29M | 1.52M | 0.31M | 1.60M | 0.21M | 0.12M | -0.20M | ||||||||||||||
| Change in Account PayablesChange Payables | -0.86M | 0.19M | 0.12M | 1.85M | -1.57M | 3.90M | -0.83M | -0.38M | 3.01M | -0.42M | -1.23M | -2.15M | -0.57M | 0.62M | 1.07M | 1.41M | -0.02M | 3.19M | -2.31M | 1.39M | ||||||||||||||
| Change in Accrued ExpensesChange Accrued Exp. | 3.20M | -6.92M | 8.03M | 2.56M | 4.83M | -11.56M | 4.50M | 5.11M | 6.54M | -14.24M | 6.53M | 6.43M | 4.88M | -14.70M | 7.12M | 9.48M | 3.83M | -19.18M | 7.78M | 18.02M | ||||||||||||||
| Change in Other Operating AssetsOther Assets Change | -1.65M | 0.09M | -0.33M | 0.88M | -1.03M | 0.00M | 0.39M | 1.55M | -0.91M | -0.01M | -0.52M | 1.24M | -1.15M | 2.98M | 1.06M | -0.47M | -4.04M | 6.83M | 0.91M | 1.00M | ||||||||||||||
| Change in Other Operating LiabilitiesOther Liabilities Change | -3.49M | -0.23M | -0.22M | -0.11M | -0.05M | -0.07M | 1.03M | 0.14M | -0.24M | -0.25M | -0.18M | -0.43M | -0.43M | -0.53M | -0.34M | -0.20M | -0.21M | -0.17M | -0.06M | 0.09M | ||||||||||||||
| Other Working Capital ChangesOther WC Changes | -1.84M | -0.32M | 0.11M | -0.99M | 0.98M | -0.01M | -0.10M | -7.00M | -0.97M | |||||||||||||||||||||||||
| Cash from OperationsCash from Ops. | -2.78M | -21.43M | -9.00M | -5.22M | -6.00M | -25.44M | -3.79M | 5.01M | 18.59M | -6.84M | 24.00M | 23.34M | 24.37M | -6.04M | 20.82M | 22.63M | 26.93M | -22.13M | 15.20M | 19.74M | ||||||||||||||
| Investing Activities | ||||||||||||||||||||||||||||||||||
| Capital ExpendituresCapex | -32.29M | 0.40M | 1.41M | 2.04M | 1.79M | 3.34M | 4.04M | 2.46M | 3.79M | 9.15M | 5.23M | 6.38M | 7.57M | 4.74M | 9.26M | 14.83M | 7.18M | 12.46M | 8.65M | 7.49M | ||||||||||||||
| Sales of Property, Plant and EquipmentPP&E (Sale) | 0.00M | 0.01M | 0.00M | 0.19M | 0.01M | 0.00M | 0.00M | 0.00M | 0.01M | 0.00M | 0.00M | 0.01M | 0.01M | 0.01M | 0.02M | 0.01M | 0.01M | 0.01M | 0.01M | |||||||||||||||
| Change in Property, Plant and EquipmentChange in PP&E | 32.30M | -0.40M | -1.40M | -2.04M | -1.60M | -3.33M | -4.03M | -2.45M | -3.79M | -9.15M | -5.23M | -6.37M | -7.56M | -4.73M | -9.25M | -14.82M | -7.18M | -12.45M | -8.64M | -7.48M | ||||||||||||||
| Acquisitions | 0.31M | |||||||||||||||||||||||||||||||||
| Net of Acquisitions & DivestmentsNet Acquisitions | -0.31M | |||||||||||||||||||||||||||||||||
| Purchase of InvestmentsInvestments Purchased | 5.57M | |||||||||||||||||||||||||||||||||
| Sale and Maturity of InvestmentsInvestments Sold | 50.00M | 45.00M | 43.00M | 48.50M | 50.20M | 36.25M | 36.80M | 60.65M | 36.30M | 44.00M | 54.90M | 55.53M | 41.78M | 41.57M | 58.70M | |||||||||||||||||||
| Cash from Investing ActivitiesCash from Investing | -30.89M | -0.40M | -27.51M | -134.15M | -4.48M | 16.58M | -15.39M | -9.71M | -7.67M | -19.70M | -21.42M | -14.79M | 5.77M | -22.43M | -28.38M | -18.39M | 8.83M | -25.80M | -15.96M | -4.73M | ||||||||||||||
| Financing Activities | ||||||||||||||||||||||||||||||||||
| Debt Issuance and Repayment | ||||||||||||||||||||||||||||||||||
| Long-Term Debt IssuancesLT Debt Issuance | 10.00M | |||||||||||||||||||||||||||||||||
| Long-Term Debt RepaymentsLT Debt Repayment | 0.01M | 0.02M | 0.03M | 0.03M | 0.03M | 0.04M | 0.04M | 0.04M | 0.04M | 0.04M | 0.01M | 0.02M | 0.03M | 0.03M | 0.03M | 0.03M | 0.03M | 0.02M | 0.02M | 0.03M | ||||||||||||||
| Net Long-Term Debt Issued (Repaid)Net LT Debt | -0.01M | -0.02M | -0.03M | -0.03M | -0.03M | -0.04M | -0.04M | -0.04M | -0.04M | 9.96M | -0.01M | -0.02M | -0.03M | -0.03M | -0.03M | -0.03M | -0.03M | -0.02M | -0.02M | -0.03M | ||||||||||||||
| Short-Term Debt issuancesST Debt Issuance | ||||||||||||||||||||||||||||||||||
| Short-Term Debt repaymentsST Debt Repayment | ||||||||||||||||||||||||||||||||||
| Net Short-Term Debt Issued (Repaid)Net ST Debt | ||||||||||||||||||||||||||||||||||
| Net Debt Issuances and RepaymentsNet Debt Issuance | -0.01M | -0.02M | -0.03M | -0.03M | -0.03M | -0.04M | -0.04M | -0.04M | -0.04M | 9.96M | -0.01M | -0.02M | -0.03M | -0.03M | -0.03M | -0.03M | -0.03M | -0.02M | -0.02M | -0.03M | ||||||||||||||
| Change in Capital Stock | ||||||||||||||||||||||||||||||||||
| Common Stock IssuedStock Issued | 0.92M | 1.30M | 0.72M | 0.47M | 0.84M | 1.08M | 0.80M | 0.35M | 0.75M | 1.15M | 0.67M | 2.16M | 1.02M | 0.99M | 0.53M | 0.30M | 2.81M | 1.59M | 0.93M | 1.82M | ||||||||||||||
| Net Shares Issued and RepurchasedNet Shares Issued | 0.92M | 1.30M | 0.72M | 0.47M | 0.84M | 1.08M | 0.80M | 0.35M | 0.75M | 1.15M | 0.67M | 2.16M | 1.02M | 0.99M | 0.53M | 0.30M | 2.81M | 1.59M | 0.93M | 1.82M | ||||||||||||||
| Net Preferred Shares Issued and RepurchasedNet Pref. Shares Issued | ||||||||||||||||||||||||||||||||||
| Net Equity Issued and RepurchasedNet Equity Issued | 0.92M | 1.30M | 0.72M | 0.47M | 0.84M | 1.08M | 0.80M | 0.35M | 0.75M | 1.15M | 0.67M | 2.16M | 1.02M | 0.99M | 0.53M | 0.30M | 2.81M | 1.59M | 0.93M | 1.82M | ||||||||||||||
| Other financing activities (as filed) | -0.78M | -0.06M | -0.03M | -0.05M | -1.55M | -0.31M | -0.53M | -0.27M | -4.02M | -0.47M | -0.62M | -1.29M | -6.38M | -2.52M | -0.59M | -1.19M | -7.37M | -6.60M | -1.79M | -0.92M | ||||||||||||||
| Cash from Financing ActivitiesCash from Financing | 0.13M | 1.22M | 0.66M | 0.39M | -0.75M | 0.73M | 0.23M | 0.05M | -3.30M | 10.64M | 0.04M | 0.84M | -5.39M | -1.55M | 0.10M | -0.92M | -4.59M | -5.03M | -0.89M | 0.87M | ||||||||||||||
| Additional items | ||||||||||||||||||||||||||||||||||
| Change in Cash | -33.54M | -20.62M | -35.85M | -138.99M | -11.23M | -8.13M | -18.95M | -4.65M | 7.62M | -15.89M | 2.62M | 9.39M | 24.75M | -30.02M | -7.46M | 3.32M | 31.17M | -52.97M | -1.65M | 15.88M | ||||||||||||||
| Beginning Cash Balance | 409.85M | 329.63M | 329.63M | 329.63M | 329.63M | 122.95M | 122.95M | 122.95M | 122.95M | 98.84M | 98.84M | 98.84M | 98.84M | 119.71M | 119.71M | 119.71M | 119.71M | 116.73M | 116.73M | 116.73M | ||||||||||||||
| Ending Cash Balance | 329.63M | 309.02M | 273.17M | 134.18M | 122.95M | 114.82M | 95.87M | 91.22M | 98.84M | 82.95M | 85.57M | 94.96M | 119.71M | 89.69M | 82.23M | 85.56M | 116.73M | 63.76M | 62.12M | 77.99M | ||||||||||||||
| Free Cash FlowFCF | 29.51M | -21.83M | -10.41M | -7.26M | -7.79M | -28.78M | -7.82M | 2.56M | 14.79M | -15.99M | 18.77M | 16.96M | 16.80M | -10.78M | 11.56M | 7.80M | 19.75M | -34.58M | 6.55M | 12.25M | ||||||||||||||
| Net Cash FlowNCF | -33.54M | -20.62M | -35.85M | -138.99M | -11.23M | -8.13M | -18.95M | -4.65M | 7.62M | -15.89M | 2.62M | 9.39M | 24.75M | -30.02M | -7.46M | 3.32M | 31.17M | -52.97M | -1.65M | 15.88M | ||||||||||||||
| Interest Paid | ||||||||||||||||||||||||||||||||||
| Income Taxes PaidTaxes Paid |
Pull Castle Biosciences's standardized financial statements into your own models, spreadsheets and apps with the Business Quant Financial Statements API. The request below follows the statement, frequency and period selected above. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/statements?ticker=CSTL&statement=CF&frequency=Quarter&period=all&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/statements"
params = {"ticker": "CSTL", "statement": "CF", "frequency": "Quarter", "period": "all", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/statements?ticker=CSTL&statement=CF&frequency=Quarter&period=all&api_key=YOUR_API_KEY");
const data = await res.json();