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Side-by-side financial comparison of Castellum, Inc. (CTM) and NATIONAL BANKSHARES INC (NKSH). Click either name above to swap in a different company.

NATIONAL BANKSHARES INC is the larger business by last-quarter revenue ($15.3M vs $12.6M, roughly 1.2× Castellum, Inc.). NATIONAL BANKSHARES INC runs the higher net margin — 38.5% vs -10.5%, a 49.0% gap on every dollar of revenue. On growth, NATIONAL BANKSHARES INC posted the faster year-over-year revenue change (24.7% vs 21.9%). Over the past eight quarters, NATIONAL BANKSHARES INC's revenue compounded faster (20.9% CAGR vs 5.3%).

Castellum, Inc. is a U.S.-based cybersecurity and information technology services provider. It caters to government defense agencies, public sector entities, and commercial enterprise clients, offering threat detection, data protection, cloud security, and managed IT solutions to help organizations mitigate cyber risks and safeguard critical digital infrastructure.

Nicolet Bankshares, Inc. is a U.S. regional bank holding company based in Green Bay, Wisconsin. They are the parent company of Nicolet National Bank, the second largest Wisconsin-based bank.

CTM vs NKSH — Head-to-Head

Bigger by revenue
NKSH
NKSH
1.2× larger
NKSH
$15.3M
$12.6M
CTM
Growing faster (revenue YoY)
NKSH
NKSH
+2.7% gap
NKSH
24.7%
21.9%
CTM
Higher net margin
NKSH
NKSH
49.0% more per $
NKSH
38.5%
-10.5%
CTM
Faster 2-yr revenue CAGR
NKSH
NKSH
Annualised
NKSH
20.9%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTM
CTM
NKSH
NKSH
Revenue
$12.6M
$15.3M
Net Profit
$-1.3M
$5.9M
Gross Margin
33.9%
Operating Margin
-11.1%
47.4%
Net Margin
-10.5%
38.5%
Revenue YoY
21.9%
24.7%
Net Profit YoY
51.8%
91.0%
EPS (diluted)
$-0.02
$0.93

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
CTM
CTM
NKSH
NKSH
Q4 25
$12.6M
$15.3M
Q3 25
$14.6M
$14.2M
Q2 25
$14.0M
$13.3M
Q1 25
$11.7M
$12.8M
Q4 24
$10.3M
$12.2M
Q3 24
$11.6M
$11.7M
Q2 24
$11.5M
$10.9M
Q1 24
$11.3M
$10.4M
Net Profit
CTM
CTM
NKSH
NKSH
Q4 25
$-1.3M
$5.9M
Q3 25
$415.4K
$4.4M
Q2 25
$-322.1K
$2.3M
Q1 25
$-1.2M
$3.2M
Q4 24
$-2.7M
$3.1M
Q3 24
$-1.3M
$2.7M
Q2 24
$-1.8M
$-307.0K
Q1 24
$-4.1M
$2.2M
Gross Margin
CTM
CTM
NKSH
NKSH
Q4 25
33.9%
Q3 25
37.6%
Q2 25
36.1%
Q1 25
39.0%
Q4 24
40.0%
Q3 24
42.7%
Q2 24
40.6%
Q1 24
39.8%
Operating Margin
CTM
CTM
NKSH
NKSH
Q4 25
-11.1%
47.4%
Q3 25
3.0%
37.9%
Q2 25
-2.7%
20.0%
Q1 25
-12.7%
30.5%
Q4 24
-15.7%
30.1%
Q3 24
-11.9%
27.5%
Q2 24
-13.6%
-4.4%
Q1 24
-23.6%
25.8%
Net Margin
CTM
CTM
NKSH
NKSH
Q4 25
-10.5%
38.5%
Q3 25
2.8%
31.1%
Q2 25
-2.3%
17.2%
Q1 25
-10.0%
25.3%
Q4 24
-26.6%
25.1%
Q3 24
-11.0%
22.8%
Q2 24
-16.0%
-2.8%
Q1 24
-36.3%
20.8%
EPS (diluted)
CTM
CTM
NKSH
NKSH
Q4 25
$-0.02
$0.93
Q3 25
$0.00
$0.69
Q2 25
$0.00
$0.36
Q1 25
$-0.01
$0.51
Q4 24
$-0.05
$0.50
Q3 24
$-0.02
$0.42
Q2 24
$-0.03
$-0.05
Q1 24
$-0.08
$0.37

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
NKSH
NKSH
Cash + ST InvestmentsLiquidity on hand
$59.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$184.9M
Total Assets
$41.9M
$1.8B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
NKSH
NKSH
Q4 25
$59.3M
Q3 25
$42.3M
Q2 25
$92.8M
Q1 25
$122.5M
Q4 24
$108.1M
Q3 24
$49.8M
Q2 24
$98.9M
Q1 24
$121.2M
Total Debt
CTM
CTM
NKSH
NKSH
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
$8.0M
Q3 24
$8.3M
Q2 24
$8.7M
Q1 24
$9.0M
Stockholders' Equity
CTM
CTM
NKSH
NKSH
Q4 25
$35.8M
$184.9M
Q3 25
$36.7M
$179.2M
Q2 25
$31.8M
$168.7M
Q1 25
$26.1M
$167.3M
Q4 24
$20.2M
$156.4M
Q3 24
$12.0M
$167.8M
Q2 24
$12.1M
$149.0M
Q1 24
$12.8M
$139.4M
Total Assets
CTM
CTM
NKSH
NKSH
Q4 25
$41.9M
$1.8B
Q3 25
$46.3M
$1.8B
Q2 25
$43.4M
$1.8B
Q1 25
$41.1M
$1.8B
Q4 24
$37.8M
$1.8B
Q3 24
$28.8M
$1.8B
Q2 24
$29.5M
$1.8B
Q1 24
$30.5M
$1.7B
Debt / Equity
CTM
CTM
NKSH
NKSH
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
0.40×
Q3 24
0.69×
Q2 24
0.72×
Q1 24
0.70×

Cash Flow & Capital Efficiency

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

Metric
CTM
CTM
NKSH
NKSH
Operating Cash FlowLast quarter
$-661.7K
$17.9M
Free Cash FlowOCF − Capex
$15.2M
FCF MarginFCF / Revenue
99.2%
Capex IntensityCapex / Revenue
17.9%
Cash ConversionOCF / Net Profit
3.04×
TTM Free Cash FlowTrailing 4 quarters
$23.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
NKSH
NKSH
Q4 25
$-661.7K
$17.9M
Q3 25
$1.0M
$6.1M
Q2 25
$214.2K
$2.1M
Q1 25
$-2.5M
$2.6M
Q4 24
$-394.4K
$9.4M
Q3 24
$742.2K
$3.1M
Q2 24
$748.6K
$-3.0M
Q1 24
$23.7K
$3.8M
Free Cash Flow
CTM
CTM
NKSH
NKSH
Q4 25
$15.2M
Q3 25
$957.0K
$5.3M
Q2 25
$1.5M
Q1 25
$1.6M
Q4 24
$6.2M
Q3 24
$738.9K
$2.2M
Q2 24
$-4.0M
Q1 24
$3.5M
FCF Margin
CTM
CTM
NKSH
NKSH
Q4 25
99.2%
Q3 25
6.5%
37.4%
Q2 25
11.5%
Q1 25
12.5%
Q4 24
50.5%
Q3 24
6.4%
18.5%
Q2 24
-36.3%
Q1 24
33.8%
Capex Intensity
CTM
CTM
NKSH
NKSH
Q4 25
17.9%
Q3 25
0.3%
5.6%
Q2 25
4.1%
Q1 25
7.5%
Q4 24
0.0%
26.6%
Q3 24
0.0%
8.3%
Q2 24
0.0%
9.3%
Q1 24
0.0%
3.0%
Cash Conversion
CTM
CTM
NKSH
NKSH
Q4 25
3.04×
Q3 25
2.41×
1.38×
Q2 25
0.90×
Q1 25
0.79×
Q4 24
3.07×
Q3 24
1.17×
Q2 24
Q1 24
1.77×

Financial Flow Comparison

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

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