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Side-by-side financial comparison of Castellum, Inc. (CTM) and Rhinebeck Bancorp, Inc. (RBKB). Click either name above to swap in a different company.

Rhinebeck Bancorp, Inc. is the larger business by last-quarter revenue ($13.5M vs $12.6M, roughly 1.1× Castellum, Inc.). Rhinebeck Bancorp, Inc. runs the higher net margin — 17.3% vs -10.5%, a 27.8% gap on every dollar of revenue. On growth, Rhinebeck Bancorp, Inc. posted the faster year-over-year revenue change (1701.1% vs 21.9%). Over the past eight quarters, Rhinebeck Bancorp, Inc.'s revenue compounded faster (14.0% 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.

Rhinebeck Bancorp, Inc. is a US regional bank holding company based in New York. It operates Rhinebeck Bank, offering retail and commercial banking services including deposit accounts, loans, mortgages and wealth management, mainly serving consumers and small-to-medium businesses across New York's Hudson Valley region.

CTM vs RBKB — Head-to-Head

Bigger by revenue
RBKB
RBKB
1.1× larger
RBKB
$13.5M
$12.6M
CTM
Growing faster (revenue YoY)
RBKB
RBKB
+1679.1% gap
RBKB
1701.1%
21.9%
CTM
Higher net margin
RBKB
RBKB
27.8% more per $
RBKB
17.3%
-10.5%
CTM
Faster 2-yr revenue CAGR
RBKB
RBKB
Annualised
RBKB
14.0%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTM
CTM
RBKB
RBKB
Revenue
$12.6M
$13.5M
Net Profit
$-1.3M
$2.3M
Gross Margin
33.9%
Operating Margin
-11.1%
21.7%
Net Margin
-10.5%
17.3%
Revenue YoY
21.9%
1701.1%
Net Profit YoY
51.8%
188.0%
EPS (diluted)
$-0.02
$0.21

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
RBKB
RBKB
Q4 25
$12.6M
$13.5M
Q3 25
$14.6M
$14.0M
Q2 25
$14.0M
$13.1M
Q1 25
$11.7M
$12.8M
Q4 24
$10.3M
$750.0K
Q3 24
$11.6M
$773.0K
Q2 24
$11.5M
$10.7M
Q1 24
$11.3M
$10.4M
Net Profit
CTM
CTM
RBKB
RBKB
Q4 25
$-1.3M
$2.3M
Q3 25
$415.4K
$2.7M
Q2 25
$-322.1K
$2.7M
Q1 25
$-1.2M
$2.3M
Q4 24
$-2.7M
$-2.7M
Q3 24
$-1.3M
$-8.1M
Q2 24
$-1.8M
$975.0K
Q1 24
$-4.1M
$1.1M
Gross Margin
CTM
CTM
RBKB
RBKB
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
RBKB
RBKB
Q4 25
-11.1%
21.7%
Q3 25
3.0%
23.9%
Q2 25
-2.7%
26.6%
Q1 25
-12.7%
22.9%
Q4 24
-15.7%
-444.9%
Q3 24
-11.9%
-1332.3%
Q2 24
-13.6%
11.8%
Q1 24
-23.6%
13.9%
Net Margin
CTM
CTM
RBKB
RBKB
Q4 25
-10.5%
17.3%
Q3 25
2.8%
19.3%
Q2 25
-2.3%
20.8%
Q1 25
-10.0%
17.9%
Q4 24
-26.6%
-353.9%
Q3 24
-11.0%
-1042.9%
Q2 24
-16.0%
9.2%
Q1 24
-36.3%
10.8%
EPS (diluted)
CTM
CTM
RBKB
RBKB
Q4 25
$-0.02
$0.21
Q3 25
$0.00
$0.25
Q2 25
$0.00
$0.25
Q1 25
$-0.01
$0.21
Q4 24
$-0.05
$-0.24
Q3 24
$-0.02
$-0.75
Q2 24
$-0.03
$0.09
Q1 24
$-0.08
$0.10

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
RBKB
RBKB
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$136.9M
Total Assets
$41.9M
$1.3B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Total Debt
CTM
CTM
RBKB
RBKB
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
RBKB
RBKB
Q4 25
$35.8M
$136.9M
Q3 25
$36.7M
$133.0M
Q2 25
$31.8M
$129.0M
Q1 25
$26.1M
$126.0M
Q4 24
$20.2M
$121.8M
Q3 24
$12.0M
$122.7M
Q2 24
$12.1M
$116.2M
Q1 24
$12.8M
$114.3M
Total Assets
CTM
CTM
RBKB
RBKB
Q4 25
$41.9M
$1.3B
Q3 25
$46.3M
$1.3B
Q2 25
$43.4M
$1.3B
Q1 25
$41.1M
$1.3B
Q4 24
$37.8M
$1.3B
Q3 24
$28.8M
$1.3B
Q2 24
$29.5M
$1.3B
Q1 24
$30.5M
$1.3B
Debt / Equity
CTM
CTM
RBKB
RBKB
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
RBKB
RBKB
Operating Cash FlowLast quarter
$-661.7K
$11.7M
Free Cash FlowOCF − Capex
$10.9M
FCF MarginFCF / Revenue
80.6%
Capex IntensityCapex / Revenue
6.3%
Cash ConversionOCF / Net Profit
5.03×
TTM Free Cash FlowTrailing 4 quarters
$19.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
RBKB
RBKB
Q4 25
$-661.7K
$11.7M
Q3 25
$1.0M
$2.2M
Q2 25
$214.2K
$2.4M
Q1 25
$-2.5M
$4.3M
Q4 24
$-394.4K
$8.5M
Q3 24
$742.2K
$-3.6M
Q2 24
$748.6K
$12.0M
Q1 24
$23.7K
$-3.5M
Free Cash Flow
CTM
CTM
RBKB
RBKB
Q4 25
$10.9M
Q3 25
$957.0K
$2.0M
Q2 25
$2.2M
Q1 25
$4.2M
Q4 24
$7.7M
Q3 24
$738.9K
$-3.6M
Q2 24
$11.8M
Q1 24
$-3.7M
FCF Margin
CTM
CTM
RBKB
RBKB
Q4 25
80.6%
Q3 25
6.5%
14.5%
Q2 25
17.2%
Q1 25
32.8%
Q4 24
1023.9%
Q3 24
6.4%
-469.0%
Q2 24
111.1%
Q1 24
-36.0%
Capex Intensity
CTM
CTM
RBKB
RBKB
Q4 25
6.3%
Q3 25
0.3%
1.4%
Q2 25
1.4%
Q1 25
0.9%
Q4 24
0.0%
105.5%
Q3 24
0.0%
6.3%
Q2 24
0.0%
1.2%
Q1 24
0.0%
2.3%
Cash Conversion
CTM
CTM
RBKB
RBKB
Q4 25
5.03×
Q3 25
2.41×
0.83×
Q2 25
0.89×
Q1 25
1.89×
Q4 24
Q3 24
Q2 24
12.27×
Q1 24
-3.12×

Financial Flow Comparison

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

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