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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. (Nasdaq: CSTL) is a diagnostics company focused on molecular tests that guide patient care in dermatologic and gastroenterological disease. The CSTL news feed highlights company announcements, clinical data, financial results and corporate updates that shape how investors and clinicians view its role in precision medicine.

Readers can follow news on Castle’s core test portfolio, including DecisionDx-Melanoma for cutaneous melanoma, TissueCypher Barrett’s Esophagus, DecisionDx-SCC for high-risk cutaneous squamous cell carcinoma, MyPath Melanoma and its suite of tests for uveal melanoma such as DecisionDx-UM, DecisionDx-PRAME and DecisionDx-UMSeq. Coverage also includes updates on AdvanceAD-Tx, the company’s gene expression profile test designed to guide systemic treatment decisions in moderate-to-severe atopic dermatitis.

In addition to product and clinical evidence updates, CSTL news items feature quarterly and annual financial results, test volume trends for core revenue drivers, and guidance ranges reported in earnings releases. Regulatory and corporate governance developments, such as bylaw amendments disclosed in Form 8-K filings, as well as participation in healthcare and investor conferences, are also common topics.

Because Castle Biosciences emphasizes rigorous clinical validation, many news releases center on new studies, meta-analyses and expert consensus papers that evaluate the performance of its tests in real-world and prospective cohorts. These articles provide insight into how DecisionDx-Melanoma, TissueCypher and other assays are being integrated into clinical decision-making.

For investors, clinicians and researchers tracking CSTL, this news page offers a centralized view of earnings announcements, product launches, reimbursement developments, clinical data presentations and corporate events related to Castle Biosciences’ molecular diagnostics business.

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Castle Biosciences, Inc. (Nasdaq: CSTL) announced that its CEO, Derek Maetzold, and CFO, Frank Stokes, will present at the Virtual Wells Fargo Healthcare Conference on September 9, 2021, and the Baird Global Healthcare Conference on September 15, 2021. Live audio webcasts will be accessible on the company’s website, with replays available for two weeks after the events. Additionally, the company will hold one-on-one meetings during the Lake Street Capital Markets Best Ideas Growth Conference on September 14, 2021.

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Castle Biosciences (NASDAQ: CSTL) has secured a five-year Federal Supply Schedule contract with the Veterans Health Administration (VHA) for its DecisionDx®-Melanoma test, effective from August 15, 2021. This arrangement facilitates greater access to personalized genomic information for treating melanoma in veterans and active military members. The DecisionDx-Melanoma test enhances treatment decision-making by using an individual’s tumor biology to predict metastasis risk, potentially improving patient outcomes.

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Castle Biosciences (Nasdaq: CSTL) reported new insights on its skin cancer gene expression profile tests, DecisionDx-Melanoma and DecisionDx-SCC, at the 2021 AAD Summer Meeting. DecisionDx-Melanoma enhances risk prediction for melanoma metastasis using a 31-gene profile, significantly improving prognostication beyond traditional staging methods. DecisionDx-SCC, a 40-gene test, identifies high-risk cutaneous squamous cell carcinoma cases, aiding in tailored patient management. Both tests show independent, significant predictive value, promising better patient outcomes and personalized treatment decisions.

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Castle Biosciences (CSTL) reported financial results for Q2 and the first half of 2021, showcasing a 79% increase in revenue to $22.8 million compared to Q2 2020. The company raised its full-year revenue guidance to $89-93 million, up from $80-83 million, due to a 70% year-over-year growth in DecisionDx®-Melanoma test reports. Notably, the acquisition of myPath® Melanoma lab expanded their diagnostic portfolio. However, operating cash flow declined to $(6.4) million.

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Castle Biosciences (Nasdaq: CSTL) announced that its skin cancer gene expression profile tests will be presented at the 2021 AAD Summer Meeting from Aug. 5-8, 2021. Key presentations include:

  • Integrating 31-gene expression profiling: Aug. 7, 1:50-2:02 p.m. by Nicholas Taylor, M.D.
  • Risk assessment by the 40-gene expression profile test: Aug. 7, 2:32-2:44 p.m. by Aaron Farberg, M.D.

The tests are designed to improve prognostication for melanoma and cutaneous squamous cell carcinoma.

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Castle Biosciences, Inc. (Nasdaq: CSTL) presented data on its gene expression profile tests, DecisionDx®-Melanoma and DecisionDx®-SCC, at the DERM2021 conference. DecisionDx-Melanoma predicts metastasis risk using individual tumor data and has shown a 98% negative predictive value in T1-T4 tumors. For DecisionDx-SCC, clinical data emphasizes its reliability (96.3%) and its role in classifying high-risk patients. The studies collectively support enhanced patient management decisions, leveraging genomic information to improve treatment outcomes.

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Castle Biosciences (Nasdaq: CSTL) announces continued collaboration with the Melanoma Research Foundation (MRF) to enhance melanoma treatment through research, education, and advocacy. Castle is sponsoring the MRF Miles for Melanoma 5K events across five U.S. cities and the 2021 MRF galas in Chicago, Denver, and New York. MRF has funded over $20.1 million in melanoma research since 1998. Castle's DecisionDx-Melanoma test helps predict melanoma risk, with over 73,396 tests ordered to date, benefiting patient management.

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Castle Biosciences (Nasdaq: CSTL) announced that CEO Derek Maetzold will present at the Canaccord Genuity 41st Annual Growth Conference on August 11, 2021, at 3:30 p.m. ET. The presentation will be available via a live audio webcast on the company’s website, with a replay accessible for two weeks post-event.

Castle Biosciences focuses on dermatologic diagnostics, providing genomic information that informs treatment decisions, particularly for melanoma and other skin cancers. Their innovative tests are designed to aid physicians in making personalized treatment plans.

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Castle Biosciences (Nasdaq: CSTL) will release its second quarter financial results on August 9, 2021, after market close. A conference call and webcast will follow at 4:30 p.m. ET. The company specializes in dermatologic diagnostics, offering genomic tests for melanoma and other skin cancers to support treatment decisions. Castle aims to enhance personalized medicine experiences for patients and physicians. Additionally, the company has ongoing R&D for psoriasis treatment response testing, and it recently acquired the myPath Melanoma laboratory in Salt Lake City.

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Castle Biosciences, Inc. (Nasdaq: CSTL) announced a podium presentation on its DecisionDx®-SCC test at the AHNS 10th International Conference from July 22-25, 2021. This 40-gene expression profile test assesses the metastasis risk in high-risk cutaneous squamous cell carcinoma patients. A study involving 278 patients demonstrated significant differences in three-year metastasis-free survival rates based on the DecisionDx-SCC results compared to traditional staging methods. The test enhances risk assessment and informs treatment 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 $25.35 as of March 24, 2026.

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

The market cap of Castle Biosciences (CSTL) is approximately 765.6M.

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CSTL Stock Data

765.58M
28.39M
Diagnostics & Research
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