Castle Biosciences, Inc. - Common stock (CSTL)
15.32
+0.00 (0.00%)
NASDAQ · Last Trade: Aug 5th, 5:12 AM EDT
Detailed Quote
Previous Close | 15.32 |
---|---|
Open | - |
Bid | 18.20 |
Ask | 19.94 |
Day's Range | N/A - N/A |
52 Week Range | 14.59 - 35.84 |
Volume | 152 |
Market Cap | 385.56M |
PE Ratio (TTM) | -80.63 |
EPS (TTM) | -0.2 |
Dividend & Yield | N/A (N/A) |
1 Month Average Volume | 402,427 |
Chart
About Castle Biosciences, Inc. - Common stock (CSTL)
Castle Biosciences Inc is a biotechnology company focused on developing and commercializing innovative diagnostic tests for skin cancer and other diseases. The company aims to enhance patient care by providing clinicians with critical information that can guide treatment decisions, ultimately improving patient outcomes. By leveraging proprietary technologies and a strong commitment to research and development, Castle Biosciences strives to make significant advancements in precision medicine and personalized healthcare. Their offerings include a range of tests designed to assess the likelihood of disease progression and response to treatment, catering to both patients and healthcare providers in the realm of oncology. Read More
News & Press Releases
Via Benzinga · August 4, 2025
Castle Biosciences (CSTL) Q2 2025 earnings beat estimates with $86.19M revenue & $0.15 EPS, driving a 6% after-hours surge. Strong test volume growth fuels optimism.
Via Chartmill · August 4, 2025
Delivered Q2 2025 revenue of $86 million
By Castle Biosciences, Inc. · Via GlobeNewswire · August 4, 2025
Via Benzinga · August 1, 2025
FRIENDSWOOD, Texas, July 29, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that its executive management is scheduled to present a company overview at the Canaccord Genuity 45th Annual Growth Conference on Tuesday, Aug. 12, 2025, at 12:30 p.m. Eastern time.
By Castle Biosciences, Inc. · Via GlobeNewswire · July 29, 2025
The Houston Business Journal's Most Admired CEO Awards recognize chief executive officers who exemplify exceptional leadership, vision and values while guiding Houston's most successful and impactful organizations
By Castle Biosciences, Inc. · Via GlobeNewswire · July 25, 2025
FRIENDSWOOD, Texas, July 23, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that its DecisionDx-Melanoma test has been granted Breakthrough Device designation from the U.S. Food and Drug Administration (FDA). DecisionDx-Melanoma is a gene expression profile (GEP) test that provides comprehensive, personalized results to guide risk-aligned management decisions for patients diagnosed with stage I-III cutaneous melanoma.
By Castle Biosciences, Inc. · Via GlobeNewswire · July 23, 2025
Castle earns recognition as a national Healthcare Industry Top Workplace, an Arizona Top Workplace and receives five Top Workplaces Culture Excellence awards
By Castle Biosciences, Inc. · Via GlobeNewswire · July 17, 2025
FRIENDSWOOD, Texas, July 14, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that it will release its financial results for the second quarter ended June 30, 2025, after the close of market on Monday, Aug. 4, 2025.
By Castle Biosciences, Inc. · Via GlobeNewswire · July 14, 2025
FRIENDSWOOD, Texas, June 19, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that on June 14, 2025, the Compensation Committee of its Board of Directors granted restricted stock units (RSUs) to 66 employees covering an aggregate of 135,978 shares of common stock as an inducement material to their entering into employment with Castle Biosciences. The RSUs were granted pursuant to the Company’s 2022 Inducement Plan in accordance with Nasdaq Listing Rule 5635(c)(4).
By Castle Biosciences, Inc. · Via GlobeNewswire · June 19, 2025
Initial Development Project Targets Predicting Flares in Patients Diagnosed with Atopic Dermatitis
By Castle Biosciences, Inc. · Via GlobeNewswire · June 16, 2025
FRIENDSWOOD, Texas, June 11, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that Derek Maetzold, founder, president and chief executive officer of Castle Biosciences, will participate in a panel discussion alongside other industry leaders during the 2025 BIO International Convention (BIO 2025), being held June 16-19 in Boston. The panel will explore the challenges precision medicine companies face in commercializing innovative diagnostic tests and discuss strategies for navigating today's market complexities while remaining focused on improving care for patients.
By Castle Biosciences, Inc. · Via GlobeNewswire · June 11, 2025

Gold-level Stevie® Award recognizes Maetzold’s transformative leadership in the healthcare industry, including molecular diagnostics and precision medicine
By Castle Biosciences, Inc. · Via GlobeNewswire · June 4, 2025

Study results show that DecisionDx-Melanoma was associated with a 32% reduction in mortality risk compared to untested patients
By Castle Biosciences, Inc. · Via GlobeNewswire · May 29, 2025
FRIENDSWOOD, Texas, May 21, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that its executive management is scheduled to present a company overview at the 2025 Jefferies Global Healthcare Conference on Wednesday, June 4, 2025, at 7:35 a.m. Eastern time.
By Castle Biosciences, Inc. · Via GlobeNewswire · May 21, 2025
FRIENDSWOOD, Texas, May 09, 2025 (GLOBE NEWSWIRE) -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced new data from the first independent validation of the recently published Collaborative Ocular Oncology Group Study No. 2 (COOG2.1) by Harbour et al.1 The data, from a real-world cohort of 1,297 patients with uveal melanoma (UM), was presented at the Association for Research in Vision and Ophthalmology (ARVO) 2025 Annual Meeting in Salt Lake City. The findings provide further support for adding Preferentially Expressed Antigen in Melanoma (PRAME) gene expression information to the DecisionDx-UM test result to further refine metastatic risk prediction for patients with UM, which is a rare but aggressive eye cancer.
By Castle Biosciences, Inc. · Via GlobeNewswire · May 9, 2025
The Company continues its ongoing partnerships with IMPACT Melanoma, AIM at Melanoma and Melanoma Research Foundation to drive education and awareness throughout May
By Castle Biosciences, Inc. · Via GlobeNewswire · May 7, 2025
Via Benzinga · May 6, 2025
Q1 2025 revenue increased 21% over Q1 2024 to $88 million
By Castle Biosciences, Inc. · Via GlobeNewswire · May 5, 2025
Expected to complement Castle’s current gastroenterology franchise
By Castle Biosciences, Inc. · Via GlobeNewswire · May 5, 2025
Additionally, an expert physician panel convened by EndoscopyNow will host a product theater on Sunday, May 4, at 2:45 p.m. Pacific Time, titled, “The Time is Now: A Clinical Practice Model to Help Prevent Progression from Barrett's to EAC”
By Castle Biosciences, Inc. · Via GlobeNewswire · May 2, 2025