Castle Biosciences, Inc.

Castle Biosciences, Inc.

CSTLยทNASDAQ

$20.39

+3.4%
HealthcareMedical - Diagnostics & Research

Castle Biosciences, Inc., a commercial-stage diagnostics company, focuses to provide diagnostic and prognostic testing services for dermatological cancers. Its lead product is DecisionDx-Melanoma, a multi-gene expression profile (GEP) test to identify the risk of metastasis for patients diagnosed with invasive cutaneous melanoma. The company also offers DecisionDx-UM test, a proprietary GEP test that predicts the risk of metastasis for patients with uveal melanoma, a rare eye cancer; DecisionDx-SCC, a proprietary 40-gene expression profile test that uses an individual patient's tumor biology to predict individual risk of squamous cell carcinoma metastasis for patients with one or more risk factors; and DecisionDx DiffDx-Melanoma and myPath Melanoma, a proprietary GEP test to diagnose suspicious pigmented lesions. It offers test services through physicians and their patients. The company was founded in 2007 and is headquartered in Friendswood, Texas.

At a Glance

Live Snapshot
Market Cap$618.43M
EPS-0.8300
P/E Ratio-24.57
Earnings Date08/03/2026
3Y+29.0%
5Y+32.0%
10Y+5791.0%
3Y+124.0%
5Y+356.0%
10Y+347.0%
3Y+18.0%
5Y+13.0%
10Y-3399.0%
cstl

Castle Biosciences, Inc. Funding & Solvency Profile

CSTL ยท NASDAQ
Cash & Cash Equivalents116.73M
Net Receivables43.38M
Inventory10.25M
Other Current Assets7.96M
Total Current Assets361 M
Property, Plant & Equipment112.24M
Goodwill & Intangible Assets99.57M
Long-Term Investments0.00
Other Non-Current Assets5.65M
Total Non-Current Assets118 M
Total Assets
578.56M

Financial Health Analysis

Current Ratio

5.26x

Excellent liquidity position. The company can easily cover its short-term obligations with substantial cushion.

Debt-to-Equity Ratio

0.23x

Conservative capital structure. The company relies primarily on equity financing, indicating low financial risk.

Working Capital

292 M

Strong working capital position provides significant operational flexibility and financial cushion.

Asset Composition

62% Current

Asset-light business model with high liquidity. Majority of assets are easily convertible to cash.

Financial Health Insight

Strong financial foundation: Excellent liquidity combined with conservative leverage suggests the company is well-positioned to weather economic uncertainties and fund growth opportunities.

Castle Biosciences, Inc. Balance Sheet

CSTL โ€ข NASDAQ

Castle Biosciences, Inc. Balance SheetDec 2025Dec 2024Dec 2023Dec 2022Dec 2021Dec 2020Dec 2019Dec 2018Dec 2017
ASSETS
CURRENT ASSETS
116.7M
119.7M
98.8M
122.9M
329.6M
409.9M
98.8M
4.5M
1.2M
182.8M
173.4M
144.3M
135.7M
0.0
0.0
0.0
0.0
0.0
299.5M
293.1M
243.1M
258.6M
329.6M
409.9M
98.8M
4.5M
1.2M
43.4M
51.2M
38.3M
23.5M
17.3M
12.8M
14.6M
12.1M
4.7M
43.4M
51.2M
38.3M
23.5M
17.3M
12.8M
14.6M
12.1M
4.7M
10.3M
8.1M
7.9M
4M
2M
2.2M
1.2M
882.2K
304.6K
0.0
0.0
0.0
0.0
4.8M
4.8M
2M
675K
515.5K
8M
7.7M
6.3M
6.2M
0.0
0.0
0.0
0.0
0.0
361.1M
360.2M
295.6M
292.3M
353.7M
429.6M
116.7M
18.1M
6.7M
NON-CURRENT ASSETS
112.2M
62.7M
37.7M
26.5M
16.9M
7.1M
2.1M
1.5M
1.5M
99.6M
10.7M
10.7M
10.7M
0.0
0.0
0.0
0.0
0.0
0.0
95.5M
106.6M
115.7M
88.9M
0.0
0.0
4.2K
40.1K
99.6M
106.2M
117.3M
126.3M
88.9M
0.0
0.0
4.2K
40.1K
0.0
0.0
0.0
0.0
0.0
0.0
0.0
2.5M
1.6M
0.0
0.0
0.0
0.0
0.0
0.0
0.0
-2.5M
-1.6M
5.6M
2.1M
2.6M
2.2M
3M
2.6M
1M
2.7M
1.6M
217.5M
171.1M
157.7M
155M
108.8M
9.7M
3.1M
4.3M
3.1M
578.6M
531.2M
453.3M
447.3M
462.6M
439.3M
119.7M
22.4M
9.8M
LIABILITIES
CURRENT LIABILITIES
18.7M
8M
10.3M
4.7M
2.5M
2.4M
1.9M
1.5M
1.1M
18.7M
6.9M
10.3M
4.7M
2.5M
2.1M
1.9M
1.5M
1.1M
0.0
1.1M
0.0
0.0
0.0
276K
79K
8.4K
0.0
0.0
38.7M
5.6M
3.9M
4.3M
1.9M
1.5M
4.6M
3.1M
1.7M
278K
0.0
0.0
0.0
0.0
5.8M
0.0
1M
0.0
1.7M
1.1M
1.8M
1.2M
0.0
0.0
0.0
3.9K
0.0
1.1M
0.0
37K
695K
276K
79K
8.6K
9.7K
0.0
0.0
0.0
0.0
0.0
6.6M
0.0
0.0
9.7K
48.2M
774K
30.7M
25.7M
16.9M
10M
6M
706.6K
0.0
68.7M
49.4M
47.7M
36.1M
24.9M
20.9M
15.3M
6.7M
5.2M
NON-CURRENT LIABILITIES
35.2M
9.7M
0.0
0.0
0.0
0.0
19.3M
24.5M
17.6M
0.0
0.0
0.0
0.0
0.0
1.7M
0.0
0.0
0.0
2.3M
1.6M
206K
428K
635K
0.0
0.0
0.0
0.0
1.5M
0.0
0.0
0.0
18.3M
1M
55K
1.2M
1.3M
39M
26M
14.4M
12.1M
25.9M
2.8M
19.3M
25.7M
18.9M
0.0
16.3M
15.3M
13.4M
8.2M
0.0
0.0
0.0
3.9K
107.7M
75.4M
62.1M
48.2M
50.8M
23.6M
34.6M
32.5M
24.1M
SHAREHOLDERS' EQUITY
0.0
0.0
0.0
0.0
0.0
0.0
0.0
-2.4M
-809.6K
0.0
0.0
0.0
0.0
0.0
0.0
0.0
46.5M
36M
30K
28K
27K
27K
25K
25K
17K
1.9K
1.9K
0.0
655.7M
609.5M
560.4M
505.5M
478.2M
137.3M
921K
809.2K
-224.3M
-200.1M
-218.4M
-160.9M
-93.8M
-62.5M
-52.2M
-57.5M
-51.1M
267K
230K
136K
-381K
0.0
0.0
0.0
-909.4K
-638.5K
694.9M
0.0
0.0
0.0
0.0
0.0
0.0
-591.7K
638.1K
470.9M
455.8M
391.3M
399.2M
411.7M
415.7M
85.1M
-10.1M
-14.3M
470.9M
455.8M
391.3M
399.2M
411.7M
415.7M
85.1M
-10.1M
-14.3M
SUMMARY
578.6M
531.2M
453.3M
447.3M
462.6M
439.3M
119.7M
22.4M
9.8M
182.8M
173.4M
144.3M
135.7M
0.0
0.0
0.0
2.5M
1.6M
36.9M
26.3M
15.3M
13.4M
8.2M
0.0
25.1M
24.5M
18.6M
-79.8M
-93.4M
-83.5M
-109.5M
-321.4M
-409.9M
-73.7M
20M
17.4M
29,188,659
29,188,659
29,188,659
29,188,659
29,188,659
29,188,659
29,188,659
29,188,659
29,188,659

SEC Filings

CSTL - Filing history and reports

Filing TypeFiling DatePeriod EndingFiscal YearActions
8-K

8-K 2026

N/A

May 29, 2026
May 28, 2026
2026
10-Q

10-Q 2026 Q1

Q1

May 06, 2026
March 31, 2026
2026
8-K

8-K 2026

N/A

May 06, 2026
May 06, 2026
2026
DEF 14A

DEF 14A 2026

N/A

April 08, 2026
May 28, 2026
2026
10-K

10-K 2025 FY

FY

February 26, 2026
December 31, 2025
2025
8-K

8-K 2026

N/A

February 26, 2026
February 26, 2026
2026
8-K

8-K 2026

N/A

January 13, 2026
January 11, 2026
2026
10-Q

10-Q 2025 Q3

Q3

November 03, 2025
September 30, 2025
2025
8-K

8-K 2025

N/A

November 03, 2025
November 03, 2025
2025
8-K

8-K 2025

N/A

August 08, 2025
August 05, 2025
2025
Showing 1 to 10 of 115 filings