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Side-by-side financial comparison of ASP Isotopes Inc. (ASPI) and MIDDLEFIELD BANC CORP (MBCN). Click either name above to swap in a different company.

MIDDLEFIELD BANC CORP is the larger business by last-quarter revenue ($19.9M vs $16.7M, roughly 1.2× ASP Isotopes Inc.). On growth, ASP Isotopes Inc. posted the faster year-over-year revenue change (1295.7% vs 18.3%). MIDDLEFIELD BANC CORP produced more free cash flow last quarter ($3.4M 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.

Star Banc Corporation was a Cincinnati, Ohio-based regional bank holding company that acquired Firstar in 1998 and took the Firstar name; the merged bank acquired U.S. Bancorp in 2001 and took the U.S. Bancorp name. The company can trace its origins back to 1863 when it was first founded as the First National Bank of Cincinnati.

ASPI vs MBCN — Head-to-Head

Bigger by revenue
MBCN
MBCN
1.2× larger
MBCN
$19.9M
$16.7M
ASPI
Growing faster (revenue YoY)
ASPI
ASPI
+1277.4% gap
ASPI
1295.7%
18.3%
MBCN
More free cash flow
MBCN
MBCN
$50.8M more FCF
MBCN
$3.4M
$-47.4M
ASPI

Income Statement — Q4 FY2025 vs Q3 FY2025

Metric
ASPI
ASPI
MBCN
MBCN
Revenue
$16.7M
$19.9M
Net Profit
$5.3M
Gross Margin
12.5%
Operating Margin
32.2%
Net Margin
26.7%
Revenue YoY
1295.7%
18.3%
Net Profit YoY
-586.8%
127.4%
EPS (diluted)
$0.65

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
MBCN
MBCN
Q4 25
$16.7M
Q3 25
$4.9M
$19.9M
Q2 25
$20.5M
Q1 25
$18.0M
Q4 24
$17.5M
Q3 24
$16.8M
Q2 24
$16.8M
Q1 24
$16.8M
Net Profit
ASPI
ASPI
MBCN
MBCN
Q4 25
Q3 25
$-12.9M
$5.3M
Q2 25
$6.2M
Q1 25
$4.8M
Q4 24
$4.8M
Q3 24
$2.3M
Q2 24
$4.2M
Q1 24
$4.2M
Gross Margin
ASPI
ASPI
MBCN
MBCN
Q4 25
12.5%
Q3 25
8.7%
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Operating Margin
ASPI
ASPI
MBCN
MBCN
Q4 25
Q3 25
-306.1%
32.2%
Q2 25
35.9%
Q1 25
31.9%
Q4 24
33.4%
Q3 24
16.1%
Q2 24
28.8%
Q1 24
29.4%
Net Margin
ASPI
ASPI
MBCN
MBCN
Q4 25
Q3 25
-263.7%
26.7%
Q2 25
30.0%
Q1 25
26.8%
Q4 24
27.8%
Q3 24
13.9%
Q2 24
24.7%
Q1 24
24.9%
EPS (diluted)
ASPI
ASPI
MBCN
MBCN
Q4 25
Q3 25
$-0.15
$0.65
Q2 25
$0.76
Q1 25
$0.60
Q4 24
$0.60
Q3 24
$0.29
Q2 24
$0.52
Q1 24
$0.51

Balance Sheet & Financial Strength

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

Metric
ASPI
ASPI
MBCN
MBCN
Cash + ST InvestmentsLiquidity on hand
$333.3M
Total DebtLower is stronger
$14.4M
Stockholders' EquityBook value
$204.2M
$224.1M
Total Assets
$498.0M
$2.0B
Debt / EquityLower = less leverage
0.07×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ASPI
ASPI
MBCN
MBCN
Q4 25
$333.3M
Q3 25
$113.9M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Total Debt
ASPI
ASPI
MBCN
MBCN
Q4 25
$14.4M
Q3 25
$13.9M
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
ASPI
ASPI
MBCN
MBCN
Q4 25
$204.2M
Q3 25
$74.1M
$224.1M
Q2 25
$216.1M
Q1 25
$213.8M
Q4 24
$210.6M
Q3 24
$210.7M
Q2 24
$206.8M
Q1 24
$205.6M
Total Assets
ASPI
ASPI
MBCN
MBCN
Q4 25
$498.0M
Q3 25
$225.9M
$2.0B
Q2 25
$1.9B
Q1 25
$1.9B
Q4 24
$1.9B
Q3 24
$1.9B
Q2 24
$1.8B
Q1 24
$1.8B
Debt / Equity
ASPI
ASPI
MBCN
MBCN
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
MBCN
MBCN
Operating Cash FlowLast quarter
$-37.8M
$4.8M
Free Cash FlowOCF − Capex
$-47.4M
$3.4M
FCF MarginFCF / Revenue
-284.7%
17.0%
Capex IntensityCapex / Revenue
57.9%
7.2%
Cash ConversionOCF / Net Profit
0.91×
TTM Free Cash FlowTrailing 4 quarters
$32.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ASPI
ASPI
MBCN
MBCN
Q4 25
$-37.8M
Q3 25
$-8.9M
$4.8M
Q2 25
$4.8M
Q1 25
$8.0M
Q4 24
$17.5M
Q3 24
$6.0M
Q2 24
$3.4M
Q1 24
$5.4M
Free Cash Flow
ASPI
ASPI
MBCN
MBCN
Q4 25
$-47.4M
Q3 25
$-12.0M
$3.4M
Q2 25
$4.2M
Q1 25
$7.7M
Q4 24
$16.7M
Q3 24
$5.8M
Q2 24
$3.3M
Q1 24
$5.3M
FCF Margin
ASPI
ASPI
MBCN
MBCN
Q4 25
-284.7%
Q3 25
-245.5%
17.0%
Q2 25
20.5%
Q1 25
42.9%
Q4 24
95.6%
Q3 24
34.7%
Q2 24
19.3%
Q1 24
31.9%
Capex Intensity
ASPI
ASPI
MBCN
MBCN
Q4 25
57.9%
Q3 25
64.4%
7.2%
Q2 25
3.0%
Q1 25
1.5%
Q4 24
4.4%
Q3 24
1.0%
Q2 24
0.6%
Q1 24
0.5%
Cash Conversion
ASPI
ASPI
MBCN
MBCN
Q4 25
Q3 25
0.91×
Q2 25
0.78×
Q1 25
1.66×
Q4 24
3.60×
Q3 24
2.57×
Q2 24
0.81×
Q1 24
1.31×

Financial Flow Comparison

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

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