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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.
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FAQ
What is Castle Biosciences stock price today?▼
The current price of CSTL is $19.69 USD — it has decreased by -2.28% in the past 24 hours. Watch Castle Biosciences stock price performance more closely on the chart.
What is Castle Biosciences stock ticker?▼
Depending on the exchange, the stock ticker may vary. For instance, on exchange Castle Biosciences stocks are traded under the ticker CSTL.
Is Castle Biosciences stock price growing?▼
CSTL stock has fallen by -1.7% compared to the previous week, the month change is a -21.18% fall, over the last year Castle Biosciences has showed a +24.62% increase.
What is Castle Biosciences market cap?▼
Today Castle Biosciences has the market capitalization of 574.73M
When is the next Castle Biosciences earnings date?▼
Castle Biosciences is going to release the next earnings report on August 10, 2026.
What were Castle Biosciences earnings last quarter?▼
CSTL earnings for the last quarter are -0.49 USD per share, whereas the estimation was -0.49 USD resulting in a +0% surprise. The estimated earnings for the next quarter are N/A USD per share.
What is Castle Biosciences revenue for the last year?▼
Castle Biosciences revenue for the last year amounts to 664.14M USD.
What is Castle Biosciences net income for the last year?▼
CSTL net income for the last year is 36.49M USD.
How many employees does Castle Biosciences have?▼
As of May 27, 2026, the company has 784 employees.
In which sector is Castle Biosciences located?▼
Castle Biosciences operates in the Health & Wellness sector.
When did Castle Biosciences complete a stock split?▼
Castle Biosciences has not had any recent stock splits.
Where is Castle Biosciences headquartered?▼
Castle Biosciences is headquartered in Friendswood, United States.