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10-K

Annual Report

CASTLE BIOSCIENCES, INC. CSTL

0001628280-26-012272

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Filed
Feb 26, 2026 12:00 AM ET
Period of report

On SEC.gov

Financials in this filing

Metric Period Value
Shares Outstanding FY 2025 · Feb 19, 2026 29.73M sh
Shares Diluted FY 2025 · Dec 31, 2025 28.99M sh
Shares Diluted FY 2025 · Dec 31, 2024 29.26M sh
Shares Diluted FY 2025 · Dec 31, 2023 26.8M sh
Capex FY 2025 · Dec 31, 2025 $36.02M
Capex FY 2025 · Dec 31, 2024 $28.33M
Capex FY 2025 · Dec 31, 2023 $13.62M
Operating Cash Flow FY 2025 · Dec 31, 2025 $64.35M
Operating Cash Flow FY 2025 · Dec 31, 2024 $64.87M
Operating Cash Flow FY 2025 · Dec 31, 2023 −$5.63M
Long Term Debt FY 2025 · Dec 31, 2025 $9.64M
Long Term Debt FY 2025 · Dec 31, 2024 $9.75M
Cash And Equivalents FY 2025 · Dec 31, 2025 $116.73M
Cash And Equivalents FY 2025 · Dec 31, 2024 $119.71M
Stockholders Equity FY 2025 · Dec 31, 2025 $470.87M
Stockholders Equity FY 2025 · Dec 31, 2024 $455.84M
Stockholders Equity FY 2025 · Dec 31, 2023 $391.27M
Stockholders Equity FY 2025 · Dec 31, 2022 $399.15M
Current Liabilities FY 2025 · Dec 31, 2025 $68.68M
Current Liabilities FY 2025 · Dec 31, 2024 $49.39M
Total Liabilities FY 2025 · Dec 31, 2025 $107.68M
Total Liabilities FY 2025 · Dec 31, 2024 $75.4M
Current Assets FY 2025 · Dec 31, 2025 $361.1M
Current Assets FY 2025 · Dec 31, 2024 $360.15M
Total Assets FY 2025 · Dec 31, 2025 $578.56M
Total Assets FY 2025 · Dec 31, 2024 $531.24M
Eps Diluted FY 2025 · Dec 31, 2025 −$0.83
Eps Diluted FY 2025 · Dec 31, 2024 $0.62
Eps Diluted FY 2025 · Dec 31, 2023 −$2.14
Eps Basic FY 2025 · Dec 31, 2025 −$0.83
Eps Basic FY 2025 · Dec 31, 2024 $0.66
Eps Basic FY 2025 · Dec 31, 2023 −$2.14
Sga Expense FY 2025 · Dec 31, 2025 $229.32M
Sga Expense FY 2025 · Dec 31, 2024 $200.05M
Sga Expense FY 2025 · Dec 31, 2023 $180.15M
Rd Expense FY 2025 · Dec 31, 2025 $51.85M
Rd Expense FY 2025 · Dec 31, 2024 $52.04M
Rd Expense FY 2025 · Dec 31, 2023 $53.62M
Net Income FY 2025 · Dec 31, 2025 −$24.16M
Net Income FY 2025 · Dec 31, 2024 $18.25M
Net Income FY 2025 · Dec 31, 2023 −$57.47M
Operating Income FY 2025 · Dec 31, 2025 −$42.81M
Operating Income FY 2025 · Dec 31, 2024 $8.67M
Operating Income FY 2025 · Dec 31, 2023 −$67.98M
Cost Of Revenue FY 2025 · Dec 31, 2025 $71.03M
Cost Of Revenue FY 2025 · Dec 31, 2024 $60.21M
Cost Of Revenue FY 2025 · Dec 31, 2023 $44.98M
Revenue FY 2025 · Dec 31, 2025 $344.23M
Revenue FY 2025 · Dec 31, 2024 $332.07M
Revenue FY 2025 · Dec 31, 2023 $219.79M