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Side-by-side financial comparison of ASP Isotopes Inc. (ASPI) and Sound Financial Bancorp, Inc. (SFBC). Click either name above to swap in a different company.

ASP Isotopes Inc. is the larger business by last-quarter revenue ($16.7M vs $9.5M, roughly 1.7× Sound Financial Bancorp, Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 1.5%). Sound Financial Bancorp, Inc. produced more free cash flow last quarter ($7.0M vs $-47.4M).

ASP Isotopes Inc. is a specialty materials firm focused on developing and producing high-purity custom isotopes. Its products serve key sectors including nuclear medicine, targeted cancer therapies, advanced energy, and industrial research, with customers across North America, Europe and Asia Pacific.

U.S. Bancorp is an American multinational banking institution headquartered in Minneapolis, Minnesota and incorporated in Delaware. It is the 5th-largest bank in the United States as of 2025. As the largest bank in the Midwestern United States, it is considered systemically important by the Financial Stability Board. It is the parent company of its primary operating entity, U.S. Bank National Association, which does business as U.S. Bank. The company provides banking, investment, mortgage, tr...

ASPI vs SFBC — Head-to-Head

Bigger by revenue
ASPI
ASPI
1.7× larger
ASPI
$16.7M
$9.5M
SFBC
Growing faster (revenue YoY)
ASPI
ASPI
+1294.2% gap
ASPI
1295.7%
1.5%
SFBC
More free cash flow
SFBC
SFBC
$54.4M more FCF
SFBC
$7.0M
$-47.4M
ASPI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ASPI
ASPI
SFBC
SFBC
Revenue
$16.7M
$9.5M
Net Profit
Gross Margin
12.5%
Operating Margin
27.1%
Net Margin
Revenue YoY
1295.7%
1.5%
Net Profit YoY
-586.8%
EPS (diluted)
$0.87

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
ASPI
ASPI
SFBC
SFBC
Q4 25
$16.7M
$9.5M
Q3 25
$4.9M
$9.8M
Q2 25
$10.4M
Q1 25
$9.2M
Q4 24
$9.4M
Q3 24
$9.1M
Q2 24
$8.6M
Q1 24
$8.6M
Net Profit
ASPI
ASPI
SFBC
SFBC
Q4 25
Q3 25
$-12.9M
$1.7M
Q2 25
$2.1M
Q1 25
$1.2M
Q4 24
Q3 24
$1.2M
Q2 24
$795.0K
Q1 24
$770.0K
Gross Margin
ASPI
ASPI
SFBC
SFBC
Q4 25
12.5%
Q3 25
8.7%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
ASPI
ASPI
SFBC
SFBC
Q4 25
27.1%
Q3 25
-306.1%
21.3%
Q2 25
24.5%
Q1 25
15.9%
Q4 24
24.6%
Q3 24
15.6%
Q2 24
11.4%
Q1 24
10.9%
Net Margin
ASPI
ASPI
SFBC
SFBC
Q4 25
Q3 25
-263.7%
17.3%
Q2 25
19.8%
Q1 25
12.7%
Q4 24
Q3 24
12.7%
Q2 24
9.2%
Q1 24
9.0%
EPS (diluted)
ASPI
ASPI
SFBC
SFBC
Q4 25
$0.87
Q3 25
$-0.15
$0.66
Q2 25
$0.79
Q1 25
$0.45
Q4 24
$0.74
Q3 24
$0.45
Q2 24
$0.31
Q1 24
$0.30

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
SFBC
SFBC
Cash + ST InvestmentsLiquidity on hand
$333.3M
$138.5M
Total DebtLower is stronger
$14.4M
Stockholders' EquityBook value
$204.2M
$109.4M
Total Assets
$498.0M
$1.1B
Debt / EquityLower = less leverage
0.07×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
SFBC
SFBC
Q4 25
$333.3M
$138.5M
Q3 25
$113.9M
$101.2M
Q2 25
$102.5M
Q1 25
$131.5M
Q4 24
$43.6M
Q3 24
$148.9M
Q2 24
$135.1M
Q1 24
$138.0M
Total Debt
ASPI
ASPI
SFBC
SFBC
Q4 25
$14.4M
Q3 25
$13.9M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ASPI
ASPI
SFBC
SFBC
Q4 25
$204.2M
$109.4M
Q3 25
$74.1M
$107.5M
Q2 25
$106.0M
Q1 25
$104.4M
Q4 24
$103.7M
Q3 24
$102.2M
Q2 24
$101.3M
Q1 24
$101.0M
Total Assets
ASPI
ASPI
SFBC
SFBC
Q4 25
$498.0M
$1.1B
Q3 25
$225.9M
$1.1B
Q2 25
$1.1B
Q1 25
$1.1B
Q4 24
$993.6M
Q3 24
$1.1B
Q2 24
$1.1B
Q1 24
$1.1B
Debt / Equity
ASPI
ASPI
SFBC
SFBC
Q4 25
0.07×
Q3 25
0.19×
Q2 25
Q1 25
Q4 24
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
ASPI
ASPI
SFBC
SFBC
Operating Cash FlowLast quarter
$-37.8M
$7.2M
Free Cash FlowOCF − Capex
$-47.4M
$7.0M
FCF MarginFCF / Revenue
-284.7%
73.4%
Capex IntensityCapex / Revenue
57.9%
1.8%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$12.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPI
ASPI
SFBC
SFBC
Q4 25
$-37.8M
$7.2M
Q3 25
$-8.9M
$3.8M
Q2 25
$-494.0K
Q1 25
$1.9M
Q4 24
$2.9M
Q3 24
$3.3M
Q2 24
$-4.0M
Q1 24
$3.5M
Free Cash Flow
ASPI
ASPI
SFBC
SFBC
Q4 25
$-47.4M
$7.0M
Q3 25
$-12.0M
$3.8M
Q2 25
$-518.0K
Q1 25
$1.8M
Q4 24
$2.9M
Q3 24
$3.2M
Q2 24
$-5.6M
Q1 24
$1.9M
FCF Margin
ASPI
ASPI
SFBC
SFBC
Q4 25
-284.7%
73.4%
Q3 25
-245.5%
38.3%
Q2 25
-5.0%
Q1 25
19.8%
Q4 24
30.4%
Q3 24
35.5%
Q2 24
-65.4%
Q1 24
22.2%
Capex Intensity
ASPI
ASPI
SFBC
SFBC
Q4 25
57.9%
1.8%
Q3 25
64.4%
0.4%
Q2 25
0.2%
Q1 25
0.4%
Q4 24
0.8%
Q3 24
0.5%
Q2 24
18.7%
Q1 24
19.0%
Cash Conversion
ASPI
ASPI
SFBC
SFBC
Q4 25
Q3 25
2.24×
Q2 25
-0.24×
Q1 25
1.59×
Q4 24
Q3 24
2.84×
Q2 24
-5.05×
Q1 24
4.57×

Financial Flow Comparison

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

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