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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, Inc. (Nasdaq: CSTL) announced poster presentations featuring data on its skin cancer gene expression profile tests at the 18th Annual Winter Clinical Dermatology Conference from Jan. 15 – 24, 2021. The tests include DecisionDx®-Melanoma, which predicts melanoma metastasis risk, and DecisionDx® DiffDx™-Melanoma, designed for classifying difficult lesions. Key findings reveal DecisionDx-Melanoma significantly predicts sentinel lymph node positivity, while DecisionDx DiffDx-Melanoma boasts 98% sensitivity and 100% specificity in head and neck lesions.

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Castle Biosciences (Nasdaq: CSTL) released preliminary performance results for Q4 and full-year 2020. Despite COVID-19 challenges, the company reported growth in DecisionDx®-Melanoma test reports, delivering 4,246 in Q4 and 16,232 for the year. They expanded their skin cancer product suite and launched the DecisionDx DiffDx-Melanoma test. The total addressable market for its tests is now estimated at $2 billion. Key financial highlights include a public offering that raised $266.8 million, boosting cash reserves to approximately $410 million by year-end.

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Castle Biosciences, Inc. (Nasdaq: CSTL) announced that Derek Maetzold, CEO, will present a company overview at the 23rd Annual Needham Virtual Growth Conference on January 15, 2021, at 11:30 a.m. Eastern time. A live audio webcast of the presentation will be accessible on Castle Biosciences’ website, with a replay available for two weeks post-event. The company specializes in providing personalized genomic information to enhance cancer treatment decisions, offering tests for various skin cancers including melanoma and squamous cell carcinoma.

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Castle Biosciences (Nasdaq: CSTL) has fully prepaid its term loan facility, improving its financial standing. The prepayment of approximately $21.6 million, which includes principal and interest, signifies a strategic move post its successful equity financing. This action terminates all obligations under the loan agreement, enhancing cash savings and enabling further development of its product pipeline. The company focuses on dermatologic cancer diagnostics and aims to leverage its strengthened financial position to support and grow its marketed products in 2021.

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Castle Biosciences (Nasdaq: CSTL) has successfully closed its underwritten public offering, issuing 4,600,000 shares of common stock at a price of $58.00 per share. This includes the full exercise of the underwriters' option for an additional 600,000 shares, totaling gross proceeds of $266.8 million before expenses. The offering was managed by SVB Leerink and Baird, among others. The securities were offered under a shelf registration effective since December 14, 2020, with final prospectus details available through the SEC.

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Castle Biosciences (CSTL) has priced its public offering of 4,000,000 shares at $58.00 each, expected to yield gross proceeds of $232 million. Additionally, underwriters have a 30-day option for 600,000 more shares. Closing is anticipated around December 18, 2020, subject to conditions. The offering is made under a previously effective registration statement with the SEC. SVB Leerink and Baird are leading the offering, with other firms assisting.

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Castle Biosciences (Nasdaq: CSTL) has initiated a proposed underwritten public offering to sell $125 million of its common stock. The company plans to allow underwriters a 30-day option to purchase an additional $18.75 million in shares. All shares will be offered by Castle. The offering is subject to market conditions and completion timing is uncertain. SVB Leerink and Baird are leading the offering, with joint bookrunning management. This offering is part of a shelf registration statement filed with the SEC, aiming to enhance financial resources for growth.

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Castle Biosciences, Inc. (Nasdaq: CSTL) announced a clinical study showing that its DecisionDx-Melanoma test alters treatment decisions for melanoma patients (AJCC stages I-III). Published in Future Oncology, the study's findings suggest that the test improves management by indicating metastatic risk, allowing tailored follow-up care. Conducted on 112 patients, the study highlights significant changes in patient surveillance based on DecisionDx-Melanoma risk classifications. This test, validated in numerous studies, has been ordered over 64,560 times, reinforcing its impact on melanoma management.

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Castle Biosciences, Inc. (Nasdaq: CSTL), a skin cancer diagnostics company, has announced its participation in the Piper Sandler 32nd Annual Virtual Healthcare Conference from December 1-3, 2020. CEO Derek Maetzold and CFO Frank Stokes will present a pre-recorded investor presentation and hold virtual one-on-one meetings. The company presentation will be available on the Piper Sandler conference site from November 23 to December 3 and on Castle Biosciences' investor page. Castle specializes in personalized genomic information for dermatologic cancers.

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Castle Biosciences (Nasdaq: CSTL) has announced the publication of two studies in SKIN: The Journal of Cutaneous Medicine demonstrating the clinical utility of its DecisionDx® DiffDx™-Melanoma test. The studies confirm that the test provides significant diagnostic clarity for difficult-to-diagnose melanocytic lesions, leading to improved patient management. Key results of the studies show a technical success rate of 97%, with sensitivity at 99.1% and specificity at 94.3%. The test aims to reduce unnecessary procedures while effectively identifying at-risk patients.

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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
Services-medical Laboratories
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United States
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