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Side-by-side financial comparison of Ceribell, Inc. (CBLL) and ULTRALIFE CORP (ULBI). Click either name above to swap in a different company.

ULTRALIFE CORP is the larger business by last-quarter revenue ($48.5M vs $24.8M, roughly 2.0× Ceribell, Inc.). ULTRALIFE CORP runs the higher net margin — -15.3% vs -54.6%, a 39.3% gap on every dollar of revenue. ULTRALIFE CORP produced more free cash flow last quarter ($607.0K 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.

Ultralife Corporation designs and manufactures batteries and communications systems worldwide. Ultralife serves government and defense, medical, safety and security, energy, robotics and other customers across the globe through the design and development of a range of products. Founded in 1991 when launched as an Initial Public Offering (IPO) evolving from Kodak’s Ultra Technologies battery division, and headquartered in Newark, New York, the Company’s business segments include battery and en...

CBLL vs ULBI — Head-to-Head

Bigger by revenue
ULBI
ULBI
2.0× larger
ULBI
$48.5M
$24.8M
CBLL
Higher net margin
ULBI
ULBI
39.3% more per $
ULBI
-15.3%
-54.6%
CBLL
More free cash flow
ULBI
ULBI
$11.6M more FCF
ULBI
$607.0K
$-11.0M
CBLL

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CBLL
CBLL
ULBI
ULBI
Revenue
$24.8M
$48.5M
Net Profit
$-13.5M
$-7.4M
Gross Margin
87.3%
24.9%
Operating Margin
-58.9%
-21.9%
Net Margin
-54.6%
-15.3%
Revenue YoY
10.6%
Net Profit YoY
-3925.8%
EPS (diluted)
$-0.35
$-35.00

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.

Revenue
CBLL
CBLL
ULBI
ULBI
Q4 25
$24.8M
$48.5M
Q3 25
$22.6M
$43.4M
Q2 25
$21.2M
$48.6M
Q1 25
$20.5M
$50.7M
Q4 24
$43.9M
Q3 24
$17.2M
$35.7M
Q2 24
$43.0M
Q1 24
$41.9M
Net Profit
CBLL
CBLL
ULBI
ULBI
Q4 25
$-13.5M
$-7.4M
Q3 25
$-13.5M
$-1.2M
Q2 25
$-13.6M
$879.0K
Q1 25
$-12.8M
$1.9M
Q4 24
$194.0K
Q3 24
$-10.4M
$258.0K
Q2 24
$3.0M
Q1 24
$2.9M
Gross Margin
CBLL
CBLL
ULBI
ULBI
Q4 25
87.3%
24.9%
Q3 25
88.3%
22.2%
Q2 25
88.1%
23.9%
Q1 25
87.9%
25.1%
Q4 24
24.2%
Q3 24
87.3%
24.3%
Q2 24
26.9%
Q1 24
27.4%
Operating Margin
CBLL
CBLL
ULBI
ULBI
Q4 25
-58.9%
-21.9%
Q3 25
-64.8%
-2.2%
Q2 25
-70.5%
4.6%
Q1 25
-69.3%
6.7%
Q4 24
3.4%
Q3 24
-57.8%
1.4%
Q2 24
9.1%
Q1 24
9.7%
Net Margin
CBLL
CBLL
ULBI
ULBI
Q4 25
-54.6%
-15.3%
Q3 25
-59.6%
-2.8%
Q2 25
-64.4%
1.8%
Q1 25
-62.4%
3.7%
Q4 24
0.4%
Q3 24
-60.6%
0.7%
Q2 24
6.9%
Q1 24
6.9%
EPS (diluted)
CBLL
CBLL
ULBI
ULBI
Q4 25
$-0.35
$-35.00
Q3 25
$-0.37
$-0.07
Q2 25
$-0.38
$0.05
Q1 25
$-0.36
$0.02
Q4 24
$37.72
Q3 24
$-1.85
$0.02
Q2 24
$0.18
Q1 24
$0.08

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
CBLL
CBLL
ULBI
ULBI
Cash + ST InvestmentsLiquidity on hand
$159.3M
$9.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$155.3M
$130.0M
Total Assets
$195.8M
$216.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CBLL
CBLL
ULBI
ULBI
Q4 25
$159.3M
$9.3M
Q3 25
$168.5M
Q2 25
$177.4M
Q1 25
$182.7M
Q4 24
$6.9M
Q3 24
$14.1M
$6.8M
Q2 24
$6.7M
Q1 24
$10.1M
Total Debt
CBLL
CBLL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$55.0M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
CBLL
CBLL
ULBI
ULBI
Q4 25
$155.3M
$130.0M
Q3 25
$164.1M
$137.3M
Q2 25
$172.2M
$138.4M
Q1 25
$180.9M
$136.4M
Q4 24
$134.0M
Q3 24
$-136.0M
$134.5M
Q2 24
$133.2M
Q1 24
$128.8M
Total Assets
CBLL
CBLL
ULBI
ULBI
Q4 25
$195.8M
$216.9M
Q3 25
$199.5M
$222.2M
Q2 25
$207.7M
$221.0M
Q1 25
$213.5M
$223.8M
Q4 24
$220.5M
Q3 24
$47.1M
$172.4M
Q2 24
$169.8M
Q1 24
$180.6M
Debt / Equity
CBLL
CBLL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.41×
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
CBLL
CBLL
ULBI
ULBI
Operating Cash FlowLast quarter
$-10.8M
$1.5M
Free Cash FlowOCF − Capex
$-11.0M
$607.0K
FCF MarginFCF / Revenue
-44.2%
1.3%
Capex IntensityCapex / Revenue
0.7%
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-41.6M
$7.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CBLL
CBLL
ULBI
ULBI
Q4 25
$-10.8M
$1.5M
Q3 25
$-11.1M
$198.0K
Q2 25
$-7.5M
$5.9M
Q1 25
$-11.4M
$3.4M
Q4 24
$3.0M
Q3 24
$4.7M
Q2 24
$8.9M
Q1 24
$-81.0K
Free Cash Flow
CBLL
CBLL
ULBI
ULBI
Q4 25
$-11.0M
$607.0K
Q3 25
$-11.5M
$-797.0K
Q2 25
$-7.6M
$4.8M
Q1 25
$-11.6M
$2.5M
Q4 24
$2.4M
Q3 24
$4.2M
Q2 24
$8.6M
Q1 24
$-453.0K
FCF Margin
CBLL
CBLL
ULBI
ULBI
Q4 25
-44.2%
1.3%
Q3 25
-50.8%
-1.8%
Q2 25
-35.9%
10.0%
Q1 25
-56.4%
4.9%
Q4 24
5.6%
Q3 24
11.6%
Q2 24
19.9%
Q1 24
-1.1%
Capex Intensity
CBLL
CBLL
ULBI
ULBI
Q4 25
0.7%
1.8%
Q3 25
1.6%
2.3%
Q2 25
0.3%
2.3%
Q1 25
0.7%
1.8%
Q4 24
1.4%
Q3 24
1.7%
Q2 24
0.8%
Q1 24
0.9%
Cash Conversion
CBLL
CBLL
ULBI
ULBI
Q4 25
Q3 25
Q2 25
6.75×
Q1 25
1.81×
Q4 24
15.70×
Q3 24
18.40×
Q2 24
3.01×
Q1 24
-0.03×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

CBLL
CBLL

Products$18.8M76%
Subscription$6.0M24%

ULBI
ULBI

Commercial$36.3M75%
Government Defense$9.6M20%
Communications Systems Segment$2.6M5%

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