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Castle Biosciences, Inc. (CSTL)
NASDAQ: CSTL · Real-Time Price · USD
26.79
+2.33 (9.53%)
At close: Jul 30, 2026, 4:00 PM EDT
28.75
+1.96 (7.32%)
After-hours: Jul 30, 2026, 5:07 PM EDT

Castle Biosciences Cash Flow Statement

Millions USD. Fiscal year is Jan - Dec.

Operating Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Net Income
-19.42-24.1618.25-57.47-67.14-31.29
Depreciation & Amortization
15.5940.771612.3310.543.41
Stock-Based Compensation
44.8745.8950.3251.2236.3221.74
Other Adjustments
-5.66-11.76-5.57-5.08-21.37-8.74
Change in Receivables
3.446.88-12.64-14.93-6.22-4.63
Changes in Inventories
-2.24-2.14-0.19-3.96-1.680.33
Changes in Accounts Payable
2.283.08-4.375.710.58-0.18
Changes in Accrued Expenses
7.636.63.936.737.538.49
Changes in Other Operating Activities
-3.86-0.81-0.85-0.17-0.22-8.11
Operating Cash Flow
42.6364.3564.87-5.63-41.66-18.98
Operating Cash Flow Growth
-31.77%-0.80%----

Investing Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Capital Expenditures
-43.12-36.02-28.33-13.62-5.63-3.48
Sale of Property, Plant & Equipment
0.040.050.020.010.20.01
Purchases of Investments
-205.5-194.28-205.73-189.08-134.69-
Proceeds from Sale of Investments
193.78190.73183.9186.5--
Cash Acquisitions
-0-18.73---26.42-63.18
Other Investing Activities
--2.11----
Investing Cash Flow
-51.32-60.37-50.14-16.18-166.55-66.66

Financing Activities

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Long-Term Debt Issued
--10---
Net Long-Term Debt Issued (Repaid)
--10---
Issuance of Common Stock
5.624.6252.983.336.21
Repurchase of Common Stock
-15.94-11.66-8.76-5.13-1.69-0.78
Net Common Stock Issued (Repurchased)
-10.32-7.04-3.76-2.161.645.43
Other Financing Activities
-0.110.08-0.1-0.14-0.12-0.01
Financing Cash Flow
-11.43-6.966.14-2.31.525.42

Net Cash Flow

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Net Cash Flow
-20.12-2.9820.87-24.11-206.69-80.22

Free Cash Flow

Fiscal Year
TTMFY 2025FY 2024FY 2023FY 2022FY 2021
Period Ending
Jun '26 Dec '25 Dec '24 Dec '23 Dec '22 Dec '21
Free Cash Flow
-0.4928.3336.54-19.25-47.29-22.47
Free Cash Flow Growth
--22.48%----
FCF Margin
-0.14%8.23%11.00%-8.76%-34.51%-23.88%
Free Cash Flow Per Share
-0.020.981.25-0.72-1.81-0.89
Levered Free Cash Flow
-43.33-12.8314.43-50.46-56.02-48.28
Unlevered Free Cash Flow
-56.18-23.6-6.48-61.09-59.87-48.36
SEC Filings: 10-K · 10-Q