Castle Biosciences Operating Margin Growth & History (CSTL)

Castle Biosciences's operating margin was −12.44% for fiscal 2025.

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Castle Biosciences annual operating margin history

Castle Biosciences annual operating margin

Fiscal yearPeriod endedOperating marginChange (percentage points)
20252025-12-31−12.44%−15.05 pp
20242024-12-312.61%+33.54 pp
20232023-12-31−30.93%+22.24 pp
20222022-12-31−53.16%−10.56 pp
20212021-12-31−42.60%−32.16 pp
20202020-12-31−10.44%−24.57 pp
20192019-12-3114.13%+30.96 pp
20182018-12-31−16.83%

Castle Biosciences operating margin trends

Over the last five reported fiscal years, Castle Biosciences's operating margin decreased from −10.44% to −12.44%, a change of −1.99 percentage points. The latest reported quarter, Q2 2026, shows −2.96%.

About the metric

What operating margin means

Operating margin measures the percentage of revenue left after operating costs and expenses. It shows how much operating profit a company generates from each dollar of revenue.

Calculation and source

How operating margin is calculated

TickerStat calculates operating margin as SEC-reported operating income divided by SEC-reported revenue for the same fiscal period. Changes are shown in percentage points. Fiscal periods can differ from calendar years, so exact period-end dates are included.

Review Castle Biosciences filings at SEC.gov ↗