Castle Biosciences, Inc. (CSTL)
NASDAQ: CSTL · Real-Time Price · USD
19.76
-5.00 (-20.18%)
May 7, 2026, 12:35 PM EDT - Market open

Castle Biosciences Earnings Call Transcripts

Fiscal Year 2026

  • Q1 2026 saw strong revenue and test volume growth, with record months for core products and improved margins. Full-year guidance was raised, and new clinical data reinforced product value. Reimbursement clarity for AdvanceAD-Tx is expected by Q3, with material revenue anticipated in 2027–2028.

  • Status update

    The DECIDE study confirms DecisionDx-Melanoma's strong predictive value for sentinel lymph node positivity and recurrence risk, enabling precise risk stratification and safe de-escalation of care for low-risk melanoma patients. The test outperforms competing assays and is widely adopted in clinical practice, supporting its case for guideline inclusion.

Fiscal Year 2025

  • Delivered strong 2025 results with $344.2M revenue and robust test volume growth, especially for TissueCypher and DecisionDx-Melanoma. 2026 guidance projects continued core growth, with new product launches and pipeline investments supporting long-term expansion.

  • Q3 2025 saw 36% revenue and volume growth, strong cash reserves, and a 77% gross margin. A new non-invasive test for atopic dermatitis was launched, showing high clinical utility and strong clinician interest. Major market opportunities exist in dermatology and gastroenterology.

  • Q3 saw 36% pro forma revenue and volume growth, with strong cash flow and raised guidance. DecisionDx-Melanoma and TissueCypher tests are driving adoption and clinical impact, while new launches and pipeline innovations target large markets. FDA submissions and payer engagement are expected to expand coverage and revenue in coming years.

  • Q3 2025 saw strong revenue growth, record test volumes, and the launch of AdvanceAD-Tx for atopic dermatitis. Guidance for 2025 revenue was raised, with continued momentum in core dermatology and GI franchises, though margins declined year-over-year.

  • Diagnostic test portfolio continues to expand, with strong growth in both dermatology and GI segments. Recent acquisitions and collaborations enhance the pipeline, while new data supports reimbursement efforts. High single-digit growth is expected for melanoma, and GI test volumes remain robust.

  • Q2 saw strong volume and revenue growth, with robust cash flow and a five-year CAGR of 52%. GI and dermatology franchises are both expanding, with new pipeline tests and strategic acquisitions supporting future growth. Medicare reimbursement for SCC is under review, while melanoma and atopic dermatitis tests show promising clinical and commercial prospects.

  • Q2 2025 saw $86.2M in revenue, strong test volume growth, and robust cash reserves. Guidance for 2025 revenue was raised to $310–$320M, with high single-digit volume growth expected for DecisionDx-Melanoma. Key risks include reimbursement changes and payer resistance.

  • Innovative diagnostic tests drive improved patient outcomes and operational growth, with strong clinical evidence supporting reduced invasive procedures and better risk stratification. Financial performance remains robust, with a focus on commercialization, R&D, and strategic expansion.

  • Revenue grew 21% to $88M in Q1 2025, led by 117% growth in TissueCypher and steady DecisionDx-Melanoma volumes. Raised 2025 revenue guidance to $287–$297M, with strong cash reserves and a new GI-focused acquisition, while discontinuing IDgenetix.

  • The discussion highlighted improved CMS reimbursement clarity, strong product adoption, and a balanced growth strategy across commercial, pipeline, and acquisitions. Key products like TissueCypher and DecisionDx-Melanoma are driving growth, with ongoing evidence supporting broader coverage and cost savings.

  • Revenue has grown tenfold since 2018, with future growth focused on TissueCypher and melanoma tests. SCC is being de-emphasized due to reimbursement loss, while IDgenetix faces market and payer challenges. Gross margins will decline but cash flow remains positive, and M&A will be considered selectively.

Fiscal Year 2024

Fiscal Year 2023

Fiscal Year 2022

Fiscal Year 2021

Fiscal Year 2020

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