Castle Biosciences, Inc. (CSTL)

NASDAQ: CSTL · Real-Time Price · USD

22.11

+0.85 (4.00%)

At close: May 28, 2026, 4:00 PM EDT

22.49

+0.38 (1.72%)

After-hours: May 28, 2026, 5:39 PM EDT

Castle Biosciences Income Statement

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

Millions USD. Fiscal year is Jan - Dec.

Fiscal Year	TTM	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Period Ending	Mar '26 Mar 31, 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
Revenue	339.92	344.23	332.07	219.79	137.04	94.09
Revenue Growth (YoY)	-2.06%	3.66%	51.09%	60.38%	45.65%	50.18%
Cost of Revenue	75.18	71.03	60.21	44.98	32.01	15.82
Gross Profit	264.74	273.2	271.86	174.81	105.03	78.26
Selling, General & Admin	235.6	229.32	200.05	180.15	143	86.74
Depreciation & Amortization Expenses	8.74	34.84	11.11	9.01	8.27	1.96
Research & Development	53.69	51.85	52.04	53.62	44.9	29.65
Other Operating Expenses	-	-	-	-	-18.29	-
Total Operating Expenses	298.03	316.01	263.19	242.78	177.89	118.34
Operating Income	-33.29	-42.81	8.67	-67.98	-72.86	-40.08
Interest Income	16.13	13.24	13.47	10.62	3.97	0.07
Interest Expense	-0.2	-0.09	-0.58	-0.01	-0.02	-0
Other Non-Operating Income (Expense)	-0.49	-	-	-	-	-
Total Non-Operating Income (Expense)	15.44	13.15	12.89	10.61	3.95	0.07
Pretax Income	-17.85	-29.66	21.56	-57.37	-68.9	-40.01
Provision for Income Taxes	4.51	-5.36	3.32	0.1	-1.77	8.72
Net Income	-22.36	-24.3	18.25	-57.47	-67.14	-48.73
Net Income to Common	-22.36	-24.3	18.25	-57.47	-67.14	-48.73
Shares Outstanding (Basic)	29	29	28	27	26	25
Shares Outstanding (Diluted)	29	29	29	27	26	25
Shares Change (YoY)	0.76%	-0.92%	9.15%	2.87%	3.65%	32.80%
EPS (Basic)	-0.43	-0.83	0.66	-2.14	-2.58	-1.24
EPS (Diluted)	-0.44	-0.83	0.62	-2.14	-2.58	-1.24
Shares Outstanding	30.3	29.69	28.48	27.41	26.55	25.38
Free Cash Flow	4.52	28.33	36.54	-19.25	-47.29	-22.47
Free Cash Flow Growth	-84.05%	-22.48%	-	-	-	-
Free Cash Flow Per Share	0.15	0.98	1.25	-0.72	-1.81	-0.89
Gross Margin	77.88%	79.37%	81.87%	79.53%	76.64%	83.18%
Operating Margin	-9.79%	-12.44%	2.61%	-30.93%	-53.16%	-42.60%
Profit Margin	-6.58%	-7.06%	5.49%	-26.15%	-48.99%	-51.80%
FCF Margin	1.33%	8.23%	11.00%	-8.76%	-34.51%	-23.88%
EBITDA	-18.35	-2.04	24.67	-55.65	-62.31	-36.67
EBITDA Margin	-5.40%	-0.59%	7.43%	-25.32%	-45.47%	-38.98%
EBIT	-33.29	-42.81	8.67	-67.98	-72.86	-40.08
EBIT Margin	-9.79%	-12.44%	2.61%	-30.93%	-53.16%	-42.60%
Effective Tax Rate	-25.26%	18.06%	15.39%	-0.18%	2.56%	-21.79%

Updated May 6, 2026. Data Source: Fiscal.ai. Standard template. Financial Sources.

SEC Filings: 10-K · 10-Q