STOCK TITAN

Castle Biosciences Stock Price, News & Analysis

CSTL Nasdaq

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.

Rhea-AI Summary

Castle Biosciences (CSTL) announced a collaboration with Miss America 2020, Camille Schrier, to promote its IDgenetix® genetic testing for mental health treatment. The test aims to enhance treatment outcomes by tailoring medications based on genetic profiles. Schrier shared her personal experience, indicating a potential improvement in her medication efficacy through IDgenetix. A randomized controlled trial showed that patients using IDgenetix had more than 2.5 times better remission rates than those who did not undergo genetic testing. This initiative coincides with Mental Health Awareness Month.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-3.25%
Tags
partnership
-
Rhea-AI Summary

Castle Biosciences, Inc. (CSTL) is collaborating with the Melanoma Research Foundation and The Skin Cancer Foundation to support skin cancer research and advocacy during Skin Cancer Awareness Month in May. Skin cancer remains the most common cancer in the U.S., with an estimated one in five Americans developing it by age 70. Castle's efforts include sponsorship of educational events and fundraising activities to enhance awareness and treatment options. The company emphasizes its commitment to improving skin cancer patient outcomes through innovative diagnostic tests and partnerships.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
0.62%
Tags
none
-
Rhea-AI Summary

Castle Biosciences announced an expansion of its U.S. Federal Supply Schedule contract, effective April 15, 2022, to include its entire skin cancer test portfolio. This includes DecisionDx®-SCC, DecisionDx® DiffDx™-Melanoma, myPath® Melanoma, and DecisionDx®-CMSeq, alongside the already covered DecisionDx®-Melanoma. Veterans and families treated at Veterans Health Administration facilities will benefit from increased access to these tests, which aim to enhance skin cancer diagnosis and management.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-2.62%
Tags
none
Rhea-AI Summary

Castle Biosciences (CSTL) announced a peer-reviewed study published in Clinical Gastroenterology and Hepatology, demonstrating that their TissueCypher test significantly enhances predictions for patients with Barrett's esophagus at risk of developing esophageal cancer.

The study included data from 552 patients, revealing that 51.8% of those diagnosed as non-dysplastic progressed to high-grade dysplasia or cancer. TissueCypher outperformed traditional evaluations, supporting its integration into clinical practice for better risk management.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
2.23%
Tags
none
-
Rhea-AI Summary

Castle Biosciences has acquired AltheaDx, enhancing its portfolio with the IDgenetix test, which now covers seven additional mental health conditions. This acquisition expands Castle's estimated U.S. total addressable market (TAM) by approximately $5 billion to $8 billion. The transaction includes $65 million in initial consideration, with potential future payments of up to $75 million based on performance milestones.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
2.23%
Tags
-
Rhea-AI Summary

Castle Biosciences, Inc. (NASDAQ: CSTL) will release its financial results for Q1 2022 on May 9, 2022, after market close. A conference call to discuss these results is scheduled for 4:30 p.m. ET on the same day. The company focuses on innovative diagnostic tests for diseases like skin cancers and has ongoing R&D for treatments in psoriasis and related conditions. Investors are encouraged to join the call and can access a webcast through the company's website.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-5.96%
Tags
conferences earnings
Rhea-AI Summary

Castle Biosciences (NASDAQ: CSTL) announced a study showing that melanoma patients tested with DecisionDx-Melanoma had a 27% improvement in melanoma-specific survival compared to those who were not tested. The study, part of a collaboration with the National Cancer Institute, analyzed data from 3,261 tested patients against 10,863 untested ones. Results indicated that the DecisionDx-Melanoma test delivers valuable risk stratification, aiding in personalized treatment and potentially improving patient outcomes. The findings will be presented at the 18th European Association of Dermato Oncology Congress.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-2.3%
Tags
none
-
Rhea-AI Summary

Castle Biosciences (CSTL) announced the presentation of its skin cancer gene expression profile tests at the 18th European Association of Dermato Oncology Congress in Seville, Spain, from April 21-23, 2022. Key presentations include data on the 31-gene test for melanoma, the 40-gene test for high-risk squamous cell carcinoma, and advancements in diagnostic testing for melanocytic lesions, showcasing significant improvements in survival outcomes and diagnostic accuracy. These innovations aim to enhance patient management and treatment decisions.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-4.32%
Tags
conferences
-
Rhea-AI Summary

Castle Biosciences (Nasdaq: CSTL) presented data at the RAD Conference demonstrating that its non-invasive skin scraping technique effectively collects RNA for gene expression analysis in inflammatory skin diseases, including psoriasis and atopic dermatitis. The study, involving a sample of 40 patients, highlighted a >0.99 correlation in RNA yield, suggesting reliability for future tests. Castle's ongoing 4,800 patient study aims to validate a gene expression profile test, with initial results expected in 2023 and potential launch by 2025, addressing a significant need for personalized medication selection.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-6.13%
Tags
none
Rhea-AI Summary

Castle Biosciences, Inc. (Nasdaq: CSTL) announced that CEO Derek Maetzold and CFO Frank Stokes will present a company overview at the 21st Annual Needham Virtual Healthcare Conference on April 12, 2022, at 3:00 p.m. Eastern time. The presentation can be accessed via a live audio webcast on the company's website, with a replay available for two weeks afterward. Castle Biosciences focuses on innovative diagnostic tests for conditions like skin cancers and Barrett’s esophagus, aiming to improve patient care.

Rhea-AI Impact
Rhea-AI Sentiment
End-of-Day
-5.73%
Tags
conferences

FAQ

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

The current stock price of Castle Biosciences (CSTL) is $20.84 as of August 22, 2025.

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

The market cap of Castle Biosciences (CSTL) is approximately 573.8M.
Castle Biosciences

Nasdaq:CSTL

CSTL Rankings

CSTL Stock Data

573.78M
28.09M
3.01%
93.01%
4.82%
Diagnostics & Research
Services-medical Laboratories
Link
United States
FRIENDSWOOD