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Castle Biosciences Stock Price, News & Analysis

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Welcome to our dedicated page for Castle Biosciences news (Ticker: CSTL), a resource for investors and traders seeking the latest updates and insights on Castle Biosciences stock.

Castle Biosciences, Inc. (CSTL) delivers innovative diagnostic solutions that transform cancer care through genomic insights. This news hub provides investors and healthcare professionals with essential updates on the company’s advancements in precision oncology diagnostics.

Access authoritative information about CSTL’s latest developments, including new test validations, clinical study results, and strategic partnerships. Our curated collection features earnings reports, regulatory milestones, and research breakthroughs across key focus areas like melanoma diagnostics and pharmacogenomics.

Stay informed about critical updates including:
- FDA-cleared test announcements
- Peer-reviewed study publications
- Financial performance reports
- Collaborative oncology initiatives
- Expanded clinical utility data

Bookmark this page for streamlined access to Castle Biosciences’ verified news. Check regularly for updates that impact diagnostic practices and investment considerations in the genomic testing sector.

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Castle Biosciences (Nasdaq: CSTL) has announced positive results from an independent study published in the American Journal of Surgery, demonstrating the effectiveness of its DecisionDx®-Melanoma test in predicting patient outcomes for cutaneous melanoma. The study, involving 383 patients, showed that high-risk results correlated with increased rates of sentinel lymph node positivity and higher recurrence rates. The findings emphasize the test's ability to provide significant prognostic information beyond traditional staging methods, thereby aiding treatment decisions.

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Castle Biosciences (Nasdaq: CSTL) announced the publication of long-term outcomes data for its DecisionDx-Melanoma test, aimed at predicting risks associated with cutaneous melanoma. Published in JCO® Precision Oncology, the study verifies the test's effectiveness in identifying recurrence risk in early-stage melanoma patients, thus extending previous findings. Notably, the test serves as a significant predictor of recurrence-free, distant metastasis-free, and overall survival, enhancing the predictive power when combined with AJCC staging.

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Castle Biosciences (Nasdaq: CSTL) announced a partnership with the Melanoma Research Foundation to present the 'Ask the Expert' Managing Melanoma webinar series during April 2021. This initiative aims to enhance awareness and education regarding melanoma, featuring expert discussions on topics such as tumor genetics and gene expression profiling. The webinars will be broadcast live on the MRF Facebook page, providing vital resources for patients and promoting early detection and prevention of melanoma.

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Castle Biosciences (Nasdaq: CSTL) has announced that CEO Derek Maetzold will present a company overview at the 20th Annual Needham Virtual Healthcare Conference on April 12, 2021, at 4:30 p.m. ET. The presentation will focus on the company's innovative genomic tests aimed at improving cancer treatment decisions for patients with skin cancers. A live audio webcast will be accessible via Castle Biosciences' website, with a replay available for two weeks post-event.

Castle specializes in personalized genomic information for various dermatologic cancers, enhancing decision-making for physicians and patients.

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Castle Biosciences (Nasdaq: CSTL) announced a study showing increasing use of its DecisionDx®-Melanoma test among dermatologists for managing melanoma patients. The study featured responses from 589 U.S. dermatologists, revealing that 45% ordered the test in the last year, with 82% likely to do so moving forward. DecisionDx-Melanoma significantly influences treatment decisions, particularly for early-stage melanomas, with a Class 1A result showing a 96.8% 5-year recurrence-free survival rate. Dermatologists reported benefits for patients, such as reduced anxiety and improved treatment personalization.

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Castle Biosciences, Inc. (Nasdaq: CSTL) announced its financial results for 2020, achieving revenues of $62.6 million, up 21% from 2019. The company expanded its product offerings to three skin cancer tests, increasing its U.S. total addressable market to $2 billion. The integrated AI-based DecisionDx-Melanoma test was launched, promising improved risk predictions. However, operating cash flow dropped to $9.9 million, and fourth-quarter revenue slightly declined to $17.3 million. With $410 million in cash, the company remains positioned for growth, predicting an additional $3.6 billion market opportunity.

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Castle Biosciences (Nasdaq: CSTL) announced enhancements to its DecisionDx®-Melanoma test, now featuring an Integrated Test Result (ITR) that provides improved risk predictions for melanoma patients. This update is driven by an AI-based algorithm (i31-GEP) validated through testing of 1,674 patients. The updated test not only predicts sentinel lymph node positivity but also offers 5-year survival outcomes. An app for dermatology clinicians will be launched later in 2021, utilizing the ITR to enhance patient management decisions. DecisionDx-Melanoma has been ordered over 68,920 times to date.

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Castle Biosciences, Inc. (Nasdaq: CSTL) will announce its fourth-quarter and full-year financial results for 2020 after the market closes on March 8, 2021. A conference call and webcast will follow at 4:30 p.m. Eastern time to discuss these results and a corporate update. Interested parties can access the live webcast through the company’s Investor Relations page or by phone. Castle Biosciences focuses on providing personalized genomic information for skin cancer treatment decisions, offering tests for various melanoma types and other dermatologic diseases.

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Castle Biosciences (Nasdaq: CSTL) announced that CEO Derek Maetzold will present at two investor conferences. The first is the BTIG Virtual MedTech Conference on Feb. 17, 2021, at 10:30 a.m. ET, followed by the 10th Annual SVB Leerink Global Healthcare Conference on Feb. 24, 2021, at 10:00 a.m. ET. Live webcasts of the presentations will be available on Castle's website, with replays accessible for two weeks afterward. Castle focuses on providing personalized genomic information to enhance treatment decisions for skin cancer.

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Castle Biosciences (Nasdaq: CSTL) announced the presentation of virtual posters at the 19th Annual South Beach Symposium, highlighting its gene expression profile tests for skin cancer. Key studies include DecisionDx-Melanoma, which predicts melanoma metastasis risk, revealing that 75% of patients with T1b tumors could avoid sentinel lymph node biopsy, potentially saving $120 million in healthcare costs. DecisionDx DiffDx-Melanoma showed high diagnostic accuracy (99.1% sensitivity) and improved clinician confidence. DecisionDx-SCC aids in predicting metastasis risk in high-risk cutaneous SCC patients, improving management decisions.

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FAQ

What is the current stock price of Castle Biosciences (CSTL)?

The current stock price of Castle Biosciences (CSTL) is $20.42 as of June 30, 2025.

What is the market cap of Castle Biosciences (CSTL)?

The market cap of Castle Biosciences (CSTL) is approximately 544.2M.
Castle Biosciences

Nasdaq:CSTL

CSTL Rankings

CSTL Stock Data

544.24M
28.01M
3.35%
93.97%
6.48%
Diagnostics & Research
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