Castle Biosciences Inc. (CSTL) Revenue-to-Profit Sankey Flow & SEC XBRL Financials

$38.51 +4.99% NASDAQ β€’ Live Quote vs Prior Daily Close (Synced Snapshot)

Castle Biosciences Inc. (CSTL) carries a Roarable Rating of C- (Hold) with 60/100 RQD Confidence. The composite score sits in the neutral Hold band (59–69), meaning current holders don’t need to panic-sell while prospective buyers can wait for a move into the 70+ Buy zone.

ROARABLE C- β€’ HOLD / WATCH Cap $1.18B
πŸ“€ Share Live RQD Speedometer Card: 𝕏 Post Reddit StockTwits ⬇ Live SVG Card
INTERACTIVE SCENARIO DECK:
RQD QUANT TACHOMETERHOLD / WATCH β€’ C-
025507510060
JEV AI Jury Split (Battleground)
Cash
SEC
Whale

Impersonal quantitative research (0–100 RQD rubric) β€” not individualized investment advice. Past performance does not guarantee future results. Full Disclaimer

5-PILLAR SNOWFLAKE RADARRw D+ Β· Rk B-
Cash (13)Whales (12)SEC (14)Macro (14)CEO (7)
Each axis scored 0–20
12M PRICE TARGET CONE+0.9% Base Target
$46 Bull$39 Base$30 Bear
πŸ“¬ FREE CSTL RATING-CHANGE & BRIEFING ALERTSManage / Unsubscribe
WHALE OPTIONS SNAPSHOT: β€” (No Active Options Snapshot on file for CSTL)Realized 20D OHLCV Swing Band: Β±11.2%
VISUAL REVENUE-TO-PROFIT SANKEY WATERFALL β€’ FY 2025 (10-K)

How CSTL Turns Every Dollar of Sales Into Real Bottom-Line Profit

Free Cash Flow:$28.3M (8.2% FCF Margin)
Revenue$344.2MGross Profit $273.2M (79.4%)Cost of Sales $71.0MOp Profit $0 (0%)OpEx (R&D/SG&A) $273.2MNet Profit$0 (0%)Tax/Other $0

Multi-Year SEC EDGAR XBRL Revenue, Net Profit & Free Cash Flow Trajectory

β–  Revenueβ–  Net Profitβ–  Free Cash Flow
FY23
Rev $219.8M
FY24
Rev $332.1M
FY25
Rev $344.2M
Fiscal YearRevenueGross MarginOp MarginNet ProfitFree Cash FlowROIC %
FY 2025$344.2M79.4%-12.4%-$24.2M$28.3M-9.3%
FY 2024$332.1M81.9%2.6%$18.2M$36.5M2%
FY 2023$219.8M79.4%-30.9%-$57.5M-$5.6M-9.3%
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Red-Light Warning Desk: Spotting SEC Cash-Flow & Dilution Risks Before Downgrades (Featuring CSTL)

  • βœ“Walkthrough of CSTL's RQD Radar, SEC cash-conversion gap & downside invalidation levels
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CSTL // CANDLESTICK & AUTO-TRENDLINE WORKSTATION6M: +57.25%⚑ TESTING RESISTANCE
2026-10-30O $38.03H $38.51L $36.73C $38.51VOL 334.3K
RES: $39.72SUP: $32.29SMA50: $34.22SMA200: $28.53
$40.19$34.10$28.01$21.92$15.83RES $39.72SUP $32.29$38.512026-04-302026-06-152026-07-312026-09-162026-10-30
PRIMARY-SOURCE FORENSICS, SECOND-ORDER LINKS & AI ANALYST DESK

CSTL Dilution Monitor, Expectations Hurdle, Butterfly Connections & Policy Exposure

Share Count & Dilution Monitor (#25)

Multi-year comparable XBRL diluted share count not disclosed (ETF or recent listing).

Reverse-DCF Expectations Hurdle (#30)
8.0%/yr Implied 5Y Growth

vs. +3.7% actual YoY revenue growth (assuming 9.25% cost of equity & 16.5x terminal multiple).

Ellis Vennor Setup Ledger (#33)

No active Ellis Vennor swing setup published on CSTL today. View full Setup Ledger β†’

πŸ¦‹ Documented & Second-Order Butterfly Connections Open Graph β†’

No direct multi-tier Butterfly edges indexed yet for CSTL. Explore sector supply chains on /butterfly.

AI Analyst Theses, Washington Policy & Company Video
🎬 No recent verified company-specific video clip queued for CSTL today (we never pad ticker pages with unrelated generic clips). Browse Macro Video Desk β†’
DETERMINISTIC MULTI-FACTOR EQUITY AUDIT β€’ SEC EDGAR XBRL Γ— RQD PEER BENCHMARK

πŸ“Š Quantitative Sector Peer Comparison, SEC Filing Delta & Investment FAQ (CSTL)

1. Head-to-Head Health Care Peer Comparison (CSTL vs. LMRI, TRUP, FRNM, ALHC)

Industry: Medical Specialities (41 Tracked Issuers)

Across 1016 tracked Health Care securities in the Roarable RQD universe, Castle Biosciences Inc. (CSTL) ranks #203 by composite RQD confidence (60/100, grade C-) and #339 by equity capitalization ($1.18B). Within this direct 5-issuer industry benchmark cohort, TRUP leads on earnings valuation at 68.2x trailing P/E, while ALHC leads on capital efficiency and profitability with 13.9% ROIC and β€” gross margin. ALHC currently holds the highest overall quantitative score in the immediate peer group at 67/100 (C+) compared with CSTL at 60/100 (C-).

Ticker / Company Roarable Grade RQD Score Trailing P/E Gross Margin ROIC 1D Change Market Cap Head-to-Head
CSTL ACTIVE
Castle Biosciences Inc.
C- 60/100 β€” 79.4% -9.3% +4.99% $1.18B Benchmark Subject
LMRI
Lumexa Imaging Holdings Inc.
D+ 58/100 β€” β€” β€” +0.95% $1.13B /lmri-vs-cstl β†’
TRUP
Trupanion Inc.
C 64/100 68.2x 16.1% 3.1% +2.27% $1.32B /trup-vs-cstl β†’
FRNM
Freenome Inc.
E 31/100 β€” β€” -3.4% -4.32% $1.38B /frnm-vs-cstl β†’
ALHC
Alignment Healthcare Inc.
C+ 67/100 β€” β€” 13.9% -1.47% $1.67B /alhc-vs-cstl β†’

2. Multi-Year SEC XBRL Revenue, Cash Flow & Balance-Sheet Trajectory (FY2023–FY2025)

SEC EDGAR 10-K β€’ FILED 2025-12-31 β€’ CIK 0001447362

In its most recent audited fiscal period (FY2025, filed 2025-12-31), Castle Biosciences Inc. (CSTL) reported GAAP revenue of $344.2M (+3.7% vs. FY2024 revenue of $332.1M , and +56.6% cumulative change since FY2023) , GAAP net income of -$24.2M, operating cash flow of $64.3M, and free cash flow of $28.3M (-22.5% YoY). On the balance sheet, CSTL closed FY2025 with $578.6M in total assets against $9.6M in total debt (Altman Z-Score: 6.97, Piotroski F-Score: 6/9).

Fiscal Period Filing Date Revenue Net Income Operating Cash Flow Free Cash Flow Total Assets Total Debt
FY2025 (FY) 2025-12-31 $344.2M -$24.2M $64.3M $28.3M $578.6M $9.6M
FY2024 (FY) 2024-12-31 $332.1M $18.2M $64.9M $36.5M $531.2M $9.7M
FY2023 (FY) 2023-12-31 $219.8M -$57.5M -$5.6M -$5.6M β€” β€”

3. CSTL Data-Verified Investor FAQ (RQD Rating, Sector Peers, SEC Forensics & Technicals)

βœ“ SCHEMA.ORG FAQPAGE JSON-LD ENABLED

Is CSTL stock a Buy, Hold, or Sell right now according to Roarable's RQD model?

As of 2026-11-01, Castle Biosciences Inc. (NASDAQ: CSTL) is rated C- (Hold / HOLD) by Roarable's 5-pillar RQD engine with a composite confidence score of 60/100 at a spot price of $38.51 (+4.99% 1D, market cap $1.18B). Pillar breakdown: Fundamental Cash Engine 13/20, Institutional 13F & Options Flow 12/20, Executive Insider Alignment 14/20, FRED Macro Regime Fit 14/20, and SEC Balance-Sheet Forensics 7/20. Across 1016 tracked Health Care issuers, CSTL ranks #203 in composite RQD confidence.

How does CSTL compare to LMRI and TRUP in the Health Care sector?

Within the Health Care sector (Medical Specialities), CSTL carries a Roarable C- (60/100 RQD), trailing P/E of N/A, gross margin of 79.4%, and ROIC of -9.3%. By comparison, LMRI (Lumexa Imaging Holdings Inc.) holds a D+ grade (58/100 RQD, P/E N/A, ROIC β€”, cap $1.13B) and TRUP (Trupanion Inc.) posts a C grade (64/100 RQD, P/E 68.2x, ROIC 3.1%, cap $1.32B). Among the 5-stock peer group, TRUP leads on earnings multiple (68.2x) while ALHC leads on capital efficiency (13.9% ROIC).

What are the biggest fundamental strengths and SEC risk factors for CSTL?

Per CSTL's SEC EDGAR XBRL 10-K filing (FY2025, filed 2025-12-31, CIK 0001447362), Castle Biosciences Inc. generated $344.2M in revenue (+3.7% YoY), -$24.2M in net income, and $28.3M in free cash flow against $578.6M in total assets and $9.6M in total debt. Key quantitative strengths: Established market leader in Health Care with deep daily trading liquidity.. Primary risk factors monitored: Company executives have done more routine share selling than personal cash buying lately.. Institutional options positioning shows a 50% call / 50% put premium split.

Where is CSTL trading relative to its 50-day, 200-day, and 52-week technical levels?

CSTL last traded at $38.51 (+4.99% on volume of 723,935 shares), positioning the stock +12.54% above its 50-day simple moving average ($34.22) and +34.98% above its 200-day simple moving average ($28.53). Across its 52-week range of $17.72 to $44.28, CSTL sits at the 78.3% percentile with a 14-day RSI of 60.9 (BULLISH MOMENTUM) and an implied next-earnings move of Β±11.2% ($34.20 to $42.82).

CSTL Investor FAQ & Complete 8-Part Research Index

100% OPEN ACCESS β€’ SEC EDGAR Γ— CBOE Γ— FRED

How profitable is Castle Biosciences Inc. (CSTL)?

In FY 2025 (10-K), CSTL converted $344.2M of revenue into a 79.4% gross margin, 0% operating margin, and $28.3M in free cash flow (8.2% FCF margin).

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