Castle Biosciences to Participate in Upcoming Investor Conferences

FRIENDSWOOD, Texas, Oct. 28, 2026 /PRNewswire/ -- 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 Stephens Annual Investment Conference on Wednesday, Nov. 18, 2026, at 12:30 p.m. Central time.

PRNewsWire • Oct 28, 2026

Castle Biosciences to Release Third Quarter 2026 Financial Results and Host Webcast on Thursday, Nov. 5, 2026

FRIENDSWOOD, Texas, Oct. 15, 2026 /PRNewswire/ -- 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 third quarter and nine months ended Sept. 30, 2026, after the close of market on Thursday, Nov. 5, 2026.

PRNewsWire • Oct 15, 2026

ACG 2026 Data Show TissueCypher® Identifies Elevated Risk of Progression Beyond Pathology Findings in Barrett's Esophagus

Studies highlight how molecular risk assessment with TissueCypher can help inform surveillance and treatment decisions beyond biopsy findings alone FRIENDSWOOD, Texas, Oct. 12, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced that new data from three studies evaluating its TissueCypher Barrett's Esophagus (BE) test will be presented at the American College of Gastroenterology (ACG) 2026 Annual Scientific Meeting and Postgraduate Course, taking place Oct. 9-14 in Nashville, Tennessee. The studies include two case reports and one multi-center study highlighting how TissueCypher can provide additional risk information beyond histopathology to support risk-aligned patient management decisions.

PRNewsWire • Oct 12, 2026

Late-Breaking EADV 2026 Data Support Use of DecisionDx®-Melanoma in SLNB Decision-Making and Risk-Aligned Post Surgical Management

Data show patients with low-risk DecisionDx-Melanoma i31-SLNB results had sentinel lymph node (SLN) positivity below 5% when biopsied, and eligible patients who avoided SLNB had five-year recurrence-free survival (RFS) of 99.6% Separate ePoster shows DecisionDx-Melanoma identifies early-stage, transected melanomas with recurrence risk similar to that seen in stage IIB disease, supporting closer surveillance when staging is uncertain FRIENDSWOOD, Texas, Sept. 30, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, will present new data on DecisionDx-Melanoma at the European Academy of Dermatology and Venereology (EADV) Congress 2026, taking place Sept.

PRNewsWire • Sep 30, 2026

New Study Shows That TissueCypher® Changed Management at an Expert Surgery Center in 90% of Patients With Non-Dysplastic Barrett's Esophagus

FRIENDSWOOD, Texas, Sept. 28, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication of a study showing that its TissueCypher® Barrett's Esophagus Test helped guide risk-aligned management decisions for patients with non-dysplastic Barrett's esophagus (NDBE).

PRNewsWire • Sep 28, 2026

New Study Highlights Clinical Need for Molecular Guidance in Atopic Dermatitis Treatment Selection, Reinforcing the Value of AdvanceAD-Tx™

Study data showed more than half of patients who used targeted systemic therapies modified treatment due to lack of efficacy Among patients surveyed in the study, 94% of those open to a new systemic therapy expressed interest in molecular testing to help identify a more effective treatment FRIENDSWOOD, Texas, Sept. 24, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication of a new study highlighting the challenges patients with atopic dermatitis (AD) experience in achieving their treatment goals and strong patient interest in molecular testing to help guide systemic therapy selection.

PRNewsWire • Sep 24, 2026

Castle Biosciences to Open New Laboratory Facility in Scottsdale

New 55,000-square-foot facility expands Castle's operational footprint in Arizona to support growing test volumes and long-term growth FRIENDSWOOD, Texas, Sept. 22, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the opening of its new laboratory and office facility in Scottsdale, Arizona.

PRNewsWire • Sep 22, 2026

New Decision Modeling Study Demonstrates TissueCypher® Significantly Improves Risk-Aligned Management for Patients with Barrett's Esophagus

Decision modeling study shows use of TissueCypher can nearly double appropriate escalation of care for patients with non-dysplastic Barrett's esophagus who later progress to cancer, while substantially reducing overuse of procedures in patients who do not progress FRIENDSWOOD, Texas, Sept. 15, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication of a new decision modeling study showing that the TissueCypher® Barrett's Esophagus test (TSP-9) can help better align Barrett's esophagus (BE) management with a patient's individual risk of progression to high-grade dysplasia (HGD) or esophageal adenocarcinoma (EAC).

PRNewsWire • Sep 15, 2026

JAAD Publication Shows Improved Performance of DecisionDx®-SCC

DecisionDx-SCC shows enhanced performance with the integration of select clinicopathologic risk factors, providing a more precise result to support risk-aligned patient management DecisionDx-SCC's Class 1A (low risk) result demonstrated a 97.3% negative predictive value, supporting confidence in de-escalation decisions, while its Class 2B (highest risk) result identified patients most likely to benefit from adjuvant radiation therapy FRIENDSWOOD, Texas, Sept. 9, 2026 /PRNewswire/ -- Castle Biosciences, Inc. (Nasdaq: CSTL), a company improving health through innovative tests that guide patient care, today announced the publication of a multi-center study in the Journal of the American Academy of Dermatology (JAAD) validating the integrated DecisionDx-SCC test result (i40-GEP) for patients with high-risk cutaneous squamous cell carcinoma (SCC).1 DecisionDx-SCC analyzes 40 genes to provide results related to prognosis and response to adjuvant radiation therapy (ART) based on an individual patient's tumor biology.

PRNewsWire • Sep 9, 2026

SciBase receives additional order from Castle Biosciences, advancing the collaboration

STOCKHOLM, Sept. 8, 2026 /PRNewswire/ -- SciBase Holding AB ("SciBase") (STO: SCIB), a leader in AI-based devices for detection and prevention in dermatology, today announces that it has received an additional order for an acceleration of the current, ongoing clinical study and preparations for a second clinical study under the collaboration with Castle Biosciences.

PRNewsWire • Sep 8, 2026