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Side-by-side financial comparison of Ceribell, Inc. (CBLL) and STAK Inc. (STAK). Click either name above to swap in a different company.
Ceribell, Inc. is the larger business by last-quarter revenue ($24.8M vs $13.6M, roughly 1.8× STAK Inc.). STAK Inc. runs the higher net margin — 11.9% vs -54.6%, a 66.4% gap on every dollar of revenue. STAK Inc. produced more free cash flow last quarter ($-1.0M vs $-11.0M).
Ceribell, Inc. develops and commercializes innovative portable neurodiagnostic medical devices, focused on rapid non-invasive electroencephalogram (EEG) solutions for seizure detection. Its core products serve hospital emergency departments, intensive care units, and long-term care facilities, with primary markets across North America and ongoing global expansion efforts.
CBLL vs STAK — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2024
| Metric | | |
|---|---|---|
| Revenue | $24.8M | $13.6M |
| Net Profit | $-13.5M | $1.6M |
| Gross Margin | 87.3% | 28.5% |
| Operating Margin | -58.9% | 13.6% |
| Net Margin | -54.6% | 11.9% |
| Revenue YoY | — | — |
| Net Profit YoY | — | — |
| EPS (diluted) | $-0.35 | — |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $24.8M | — | ||
| Q3 25 | $22.6M | — | ||
| Q2 25 | $21.2M | — | ||
| Q1 25 | $20.5M | — | ||
| Q4 24 | — | $13.6M | ||
| Q3 24 | $17.2M | — |
| Q4 25 | $-13.5M | — | ||
| Q3 25 | $-13.5M | — | ||
| Q2 25 | $-13.6M | — | ||
| Q1 25 | $-12.8M | — | ||
| Q4 24 | — | $1.6M | ||
| Q3 24 | $-10.4M | — |
| Q4 25 | 87.3% | — | ||
| Q3 25 | 88.3% | — | ||
| Q2 25 | 88.1% | — | ||
| Q1 25 | 87.9% | — | ||
| Q4 24 | — | 28.5% | ||
| Q3 24 | 87.3% | — |
| Q4 25 | -58.9% | — | ||
| Q3 25 | -64.8% | — | ||
| Q2 25 | -70.5% | — | ||
| Q1 25 | -69.3% | — | ||
| Q4 24 | — | 13.6% | ||
| Q3 24 | -57.8% | — |
| Q4 25 | -54.6% | — | ||
| Q3 25 | -59.6% | — | ||
| Q2 25 | -64.4% | — | ||
| Q1 25 | -62.4% | — | ||
| Q4 24 | — | 11.9% | ||
| Q3 24 | -60.6% | — |
| Q4 25 | $-0.35 | — | ||
| Q3 25 | $-0.37 | — | ||
| Q2 25 | $-0.38 | — | ||
| Q1 25 | $-0.36 | — | ||
| Q4 24 | — | — | ||
| Q3 24 | $-1.85 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $159.3M | $658.2K |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $155.3M | $10.6M |
| Total Assets | $195.8M | $18.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $159.3M | — | ||
| Q3 25 | $168.5M | — | ||
| Q2 25 | $177.4M | — | ||
| Q1 25 | $182.7M | — | ||
| Q4 24 | — | $658.2K | ||
| Q3 24 | $14.1M | — |
| Q4 25 | $155.3M | — | ||
| Q3 25 | $164.1M | — | ||
| Q2 25 | $172.2M | — | ||
| Q1 25 | $180.9M | — | ||
| Q4 24 | — | $10.6M | ||
| Q3 24 | $-136.0M | — |
| Q4 25 | $195.8M | — | ||
| Q3 25 | $199.5M | — | ||
| Q2 25 | $207.7M | — | ||
| Q1 25 | $213.5M | — | ||
| Q4 24 | — | $18.8M | ||
| Q3 24 | $47.1M | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $-10.8M | $-998.6K |
| Free Cash FlowOCF − Capex | $-11.0M | $-1.0M |
| FCF MarginFCF / Revenue | -44.2% | -7.4% |
| Capex IntensityCapex / Revenue | 0.7% | 0.0% |
| Cash ConversionOCF / Net Profit | — | -0.62× |
| TTM Free Cash FlowTrailing 4 quarters | $-41.6M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-10.8M | — | ||
| Q3 25 | $-11.1M | — | ||
| Q2 25 | $-7.5M | — | ||
| Q1 25 | $-11.4M | — | ||
| Q4 24 | — | $-998.6K | ||
| Q3 24 | — | — |
| Q4 25 | $-11.0M | — | ||
| Q3 25 | $-11.5M | — | ||
| Q2 25 | $-7.6M | — | ||
| Q1 25 | $-11.6M | — | ||
| Q4 24 | — | $-1.0M | ||
| Q3 24 | — | — |
| Q4 25 | -44.2% | — | ||
| Q3 25 | -50.8% | — | ||
| Q2 25 | -35.9% | — | ||
| Q1 25 | -56.4% | — | ||
| Q4 24 | — | -7.4% | ||
| Q3 24 | — | — |
| Q4 25 | 0.7% | — | ||
| Q3 25 | 1.6% | — | ||
| Q2 25 | 0.3% | — | ||
| Q1 25 | 0.7% | — | ||
| Q4 24 | — | 0.0% | ||
| Q3 24 | — | — |
| Q4 25 | — | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | -0.62× | ||
| Q3 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
CBLL
| Products | $18.8M | 76% |
| Subscription | $6.0M | 24% |
STAK
| Other | $4.2M | 31% |
| Sales of specialized oilfield equipment | $4.0M | 30% |
| Total | $3.3M | 24% |
| Sales of specialized oilfield vehicle | $2.1M | 15% |
| Service income from automation solutions | $26.4K | 0% |
