Castle Biosciences, Inc. (CSTL)

NASDAQ: CSTL · Real-Time Price · USD

32.52

-1.68 (-4.91%)

At close: Nov 6, 2026, 4:00 PM EST

32.68

+0.16 (0.48%)

After-hours: Nov 6, 2026, 7:59 PM EST

Castle Biosciences Cash Flow Statement

Financials in millions USD. Fiscal year is January - December.

Millions USD. Fiscal year is Jan - Dec.

Operating Activities

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Net Income	-23.01	-24.16	18.25	-57.47	-67.14	-31.29
Depreciation & Amortization	15.96	20.67	16	12.33	10.54	3.41
Asset Writedown & Restructuring Costs	-	20.1	-	-	-	-
Loss (Gain) From Sale of Investments	1.99	-5.69	-7.24	-5.49	-1.37	-
Stock-Based Compensation	44	45.89	50.32	51.22	36.32	21.74
Other Operating Activities	-0.07	-6.08	1.67	0.41	-20.01	-8.74
Change in Accounts Receivable	-1.83	6.88	-12.64	-14.93	-6.22	-4.63
Change in Inventory	-1.73	-2.14	-0.19	-3.96	-1.68	0.33
Change in Accounts Payable	2.26	3.08	-4.37	5.71	0.58	-0.18
Change in Other Net Operating Assets	2.18	5.79	3.08	6.56	7.31	0.38
Operating Cash Flow	39.74	64.35	64.87	-5.63	-41.66	-18.98
Operating Cash Flow Growth	-35.67%	-0.80%	-	-	-	-

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Capital Expenditures	-35.78	-36.02	-28.33	-13.62	-5.63	-3.48
Sale of Property, Plant & Equipment	0.03	0.05	0.02	0.01	0.2	0.01
Cash Acquisitions	-0	-18.73	-	-	-26.42	-63.18
Investment in Securities	0.21	-3.55	-21.83	-2.58	-134.69	-
Investing Cash Flow	-37.66	-60.37	-50.14	-16.18	-166.55	-66.66

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Long-Term Debt Issued	-	-	10	-	-	-
Total Debt Issued	-	-	10	-	-	-
Long-Term Debt Repaid	-	-0.12	-0.1	-0.14	-0.12	-0.01
Total Debt Repaid	-0.1	-0.12	-0.1	-0.14	-0.12	-0.01
Net Debt Issued (Repaid)	-0.1	-0.12	9.9	-0.14	-0.12	-0.01
Issuance of Common Stock	7.14	4.62	5	2.98	3.33	6.55
Repurchase of Common Stock	-15.68	-11.66	-8.76	-5.13	-1.69	-0.78
Other Financing Activities	-1	0.19	-	-	-	-0.34
Financing Cash Flow	-9.64	-6.96	6.14	-2.3	1.52	5.42

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Net Cash Flow	-7.56	-2.98	20.87	-24.11	-206.69	-80.22

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Free Cash Flow	3.96	28.33	36.54	-19.25	-47.29	-22.47
Free Cash Flow Growth	-84.38%	-22.48%	-	-	-	-
Free Cash Flow Margin	1.05%	8.23%	11.00%	-8.76%	-34.51%	-23.88%
Free Cash Flow Per Share	0.13	0.98	1.25	-0.72	-1.81	-0.89
Levered Free Cash Flow	5.09	41.21	29.45	0.82	-14.69	-5.03
Unlevered Free Cash Flow	5.43	41.27	29.81	0.83	-14.68	-5.03

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Sep '26 Sep 30, 2026	Dec '25 Dec 31, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021
Cash Interest Paid	0.06	0.06	0.43	0.01	0.02	0
Cash Income Tax Paid	1.6	1.6	2.5	0.2	0.12	0.02
Change in Working Capital	0.88	13.6	-14.13	-6.63	-0.01	-4.1

SEC Filings: 10-K · 10-Q