Castle Biosciences
Logotype for Castle Biosciences Inc

Castle Biosciences (CSTL) investor relations material

Castle Biosciences Q3 2026 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
Logotype for Castle Biosciences Inc
Q3 2026 earnings summary5 Nov, 2026

Executive summary

  • Q3 revenue rose 23.9% YoY to $102.9M, led by TissueCypher report volume growth of 47%; nine-month revenue increased 12.8% to $290.1M.

  • FY2026 revenue guidance increased to $385M–$395M from $365M–$375M; Q3 Adjusted EBITDA was $12.7M.

Financial highlights

  • Q3 GAAP revenue was $102.891M; Adjusted Revenue was $101.947M after a $944K net adjustment for reports delivered in prior periods.

  • Q3 net loss was $4.1M versus $0.5M YoY; nine-month net loss narrowed to $20.7M from $21.8M.

  • Q3 operating loss improved to $2.7M from $6.8M; nine-month operating loss improved to $24.2M from $39.0M.

  • Q3 Adjusted EBITDA was $12.719M versus $9.2M YoY; nine-month Adjusted EBITDA was $20.0M versus $32.5M.

  • Q3 operating expenses, including cost of sales, were $105.6M versus $89.8M YoY; higher costs reflected staffing, growth support and operating needs.

Outlook and guidance

  • FY2026 revenue guidance rose to $385M–$395M from $365M–$375M, a $20M increase at the midpoint and a $45M increase from initial February guidance.

  • The guidance increase primarily reflects expected TissueCypher volume growth and, to a lesser extent, ASP improvement; TissueCypher volume growth guidance remains 50%–52%.

  • Positive Adjusted EBITDA is expected in Q4 and full-year 2026, and in FY2027 assuming no change in strategic direction.

  • DecisionDx-Melanoma volume growth is expected in the mid-single digits for FY2026; Q4 may be seasonally lighter due to holiday disruptions in medical practices.

Partial view of Summaries dataset, powered by Quartr API
AI can get things wrong. Verify important information.
Research faster. Power your platform.

Next Castle Biosciences earnings date

Logotype for Castle Biosciences Inc
Stephens Annual Investment Conference18 Nov, 2026
Castle Biosciences
Cover every name on your watchlist this earnings season.
Automations, AI chat, and live calls across 16,000+ companies.
Book demo

Next Castle Biosciences earnings date

Logotype for Castle Biosciences Inc
Stephens Annual Investment Conference18 Nov, 2026

AI chat

Ask anything. Verify everything.

Ask across every event and document from public companies. Each answer links back to the exact line in the transcript, slide or filing it came from.Learn more

Find what matters

AI across all first-party IR material. Live calls, transcripts, slides, filings.
A cited source card from Adobe's CFO alongside a list of forward-looking statements

Trust every finding

50m+ first-party documents. Every output traceable to its source.

Automations

Zero in on what matters

Define the prompt once. It runs the moment a company publishes or on a schedule you set. Outputs map to the exact signals you choose.Learn more
An automation set to trigger on the first published earnings document for GE Aerospace

Event-triggered research

Runs when a company publishes new material. Trigger on the first published document for the earliest possible run, or wait for a specific one.
An automation scheduled to run weekly on Mondays at 09:00

Scheduled research

Runs on a recurring cadence you set. Daily, weekly, monthly, or quarterly, for aggregate reads across a period rather than a single event.

Live audio & transcripts

Be first

Join any earnings call live in one click, with no manual registration. Follow the transcript as it happens and jump straight to the moments that matter.Learn more
A live LVMH Q2 2026 earnings call playing in Quartr

Live earnings calls

Join any call in one click. The audio keeps playing while you work elsewhere in Quartr.
A live transcript excerpt from LVMH's Chairman and CEO Bernard Arnault

Live transcripts

Speaker-by-speaker, in real time. Searchable across every live and historical call.

Quartr MCP connects your AI environment to 17K+ public companies

Pull live transcripts, filings, and slides into Claude or Codex via MCP. Combine Quartr's global IR data with any other dataset. Run agentic research and monitoring.
Included with Quartr Pro at no extra cost.Learn more

Quartr's AI stands out because it only pulls clean, first-party data from public companies. In investing, that's everything.

Jamie Ross

Investment Manager, GAM Investments

GAM
GAM

Research that used to take hours now takes seconds with Quartr Pro. Tracking shifts in tone or extracting tables, it's as simple as typing a query.

Tom O'Hara

Investment Director

Ciena
Ciena

Before Quartr we spent hours manually compiling insights through the peer earnings cycle. Now, these tasks are done faster, with greater precision.

Gregg Lampf

VP of Investor Relations

Frequently asked questions

Castle Biosciences, Inc., a commercial-stage dermatological cancer company, focuses to provide diagnostic and prognostic solutions for dermatological cancers. Castle Biosciences is a provider of products that assesses the response of cancer patients to treatment. The company's products include Immunoscore non-invasive test, which measures changes in proteins expressed on the surface of a person's tumor; CastleTRAC, a diagnostic tool for assessing the tissue response in four types of cutaneous T-cell lymphomas (CTCL); and CastleMAP for measuring the immune reaction to a specific drug. Castle Biosciences, Inc., is based in Friendswood, Texas.