Castle Biosciences, Inc. (CSTL)

NASDAQ: CSTL · Real-Time Price · USD

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39.59

+0.18 (0.44%)

At close: Dec 4, 2025, 4:00 PM EST

39.62

0.00 (0.00%)

Pre-market: Dec 5, 2025, 6:03 AM EST

Castle Biosciences Income Statement

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

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	TTM	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	2017 - 2019
Period Ending	Sep '25 Sep 30, 2025	Dec '24 Dec 31, 2024	Dec '23 Dec 31, 2023	Dec '22 Dec 31, 2022	Dec '21 Dec 31, 2021	Dec '20 Dec 31, 2020	2017 - 2019
Revenue	343.53	332.07	219.79	137.04	94.09	62.65	Upgrade
Revenue Growth (YoY)	10.15%	51.09%	60.38%	45.65%	50.18%	20.79%	Upgrade
Cost of Revenue	68.9	60.21	44.98	32.01	15.82	9.69	Upgrade
Gross Profit	274.63	271.86	174.81	105.03	78.26	52.96	Upgrade
Selling, General & Admin	222.56	200.05	180.15	143	86.74	48.13	Upgrade
Research & Development	50.11	52.04	53.62	44.9	29.65	13.26	Upgrade
Amortization of Goodwill & Intangibles	16.8	11.11	9.01	8.27	1.96	-	Upgrade
Operating Expenses	289.47	263.19	242.78	196.17	118.34	61.39	Upgrade
Operating Income	-14.83	8.67	-67.98	-91.14	-40.08	-8.42	Upgrade
Interest Expense	-0.15	-0.58	-0.01	-0.02	-0	-2.63	Upgrade
Interest & Investment Income	12.25	12.92	10.62	3.97	0.07	0.37	Upgrade
Other Non Operating Income (Expenses)	0.05	-	-	-	-	-	Upgrade
EBT Excluding Unusual Items	-2.69	21.01	-57.37	-87.19	-40.01	-10.69	Upgrade
Gain (Loss) on Sale of Investments	3.88	0.56	-	-	-	-	Upgrade
Other Unusual Items	-	-	-	18.29	-	0.49	Upgrade
Pretax Income	-18.92	21.56	-57.37	-68.9	-40.01	-10.2	Upgrade
Income Tax Expense	-6.68	3.32	0.1	-1.77	-8.72	0.08	Upgrade
Net Income	-12.24	18.25	-57.47	-67.14	-31.29	-10.28	Upgrade
Net Income to Common	-12.24	18.25	-57.47	-67.14	-31.29	-10.28	Upgrade
Shares Outstanding (Basic)	29	28	27	26	25	19	Upgrade
Shares Outstanding (Diluted)	29	29	27	26	25	19	Upgrade
Shares Change (YoY)	1.04%	9.15%	2.87%	3.65%	32.80%	118.63%	Upgrade
EPS (Basic)	-0.43	0.66	-2.14	-2.58	-1.24	-0.54	Upgrade
EPS (Diluted)	-0.43	0.62	-2.14	-2.58	-1.24	-0.54	Upgrade
Free Cash Flow	25.38	36.54	-19.25	-47.29	-22.47	5.11	Upgrade
Free Cash Flow Per Share	0.89	1.25	-0.72	-1.81	-0.89	0.27	Upgrade
Gross Margin	79.94%	81.87%	79.53%	76.64%	83.18%	84.54%	Upgrade
Operating Margin	-4.32%	2.61%	-30.93%	-66.51%	-42.60%	-13.45%	Upgrade
Profit Margin	-3.56%	5.49%	-26.15%	-48.99%	-33.26%	-16.41%	Upgrade
Free Cash Flow Margin	7.39%	11.00%	-8.76%	-34.51%	-23.88%	8.16%	Upgrade
EBITDA	7.83	24.67	-55.65	-80.6	-36.67	-7.95	Upgrade
EBITDA Margin	2.28%	7.43%	-25.32%	-58.81%	-38.98%	-12.69%	Upgrade
D&A For EBITDA	22.66	16	12.33	10.54	3.41	0.47	Upgrade
EBIT	-14.83	8.67	-67.98	-91.14	-40.08	-8.42	Upgrade
EBIT Margin	-4.32%	2.61%	-30.93%	-66.51%	-42.60%	-13.45%	Upgrade
Effective Tax Rate	-	15.39%	-	-	-	-	Upgrade

Updated Sep 30, 2025. Source: S&P Global Market Intelligence. Standard template. Financial Sources.

SEC Filings: 10-K · 10-Q