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Side-by-side financial comparison of Castellum, Inc. (CTM) and OPTICAL CABLE CORP (OCC). Click either name above to swap in a different company.

OPTICAL CABLE CORP is the larger business by last-quarter revenue ($19.8M vs $12.6M, roughly 1.6× Castellum, Inc.). OPTICAL CABLE CORP runs the higher net margin — 0.2% vs -10.5%, a 10.8% gap on every dollar of revenue. On growth, Castellum, Inc. posted the faster year-over-year revenue change (21.9% vs 1.8%). Over the past eight quarters, OPTICAL CABLE CORP's revenue compounded faster (15.5% 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.

Optical Cable Corporation, headquartered in Roanoke, Virginia, manufactures fiber optical cable. The company's cable is largely used for telecommunications and is sold both in the US and seventy other countries worldwide. OCC also manufactures military land tactical fiber optic cable for the U.S. military.

CTM vs OCC — Head-to-Head

Bigger by revenue
OCC
OCC
1.6× larger
OCC
$19.8M
$12.6M
CTM
Growing faster (revenue YoY)
CTM
CTM
+20.2% gap
CTM
21.9%
1.8%
OCC
Higher net margin
OCC
OCC
10.8% more per $
OCC
0.2%
-10.5%
CTM
Faster 2-yr revenue CAGR
OCC
OCC
Annualised
OCC
15.5%
5.3%
CTM

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CTM
CTM
OCC
OCC
Revenue
$12.6M
$19.8M
Net Profit
$-1.3M
$48.6K
Gross Margin
33.9%
31.9%
Operating Margin
-11.1%
1.4%
Net Margin
-10.5%
0.2%
Revenue YoY
21.9%
1.8%
Net Profit YoY
51.8%
-87.0%
EPS (diluted)
$-0.02

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
OCC
OCC
Q4 25
$12.6M
$19.8M
Q3 25
$14.6M
$19.9M
Q2 25
$14.0M
$17.5M
Q1 25
$11.7M
$15.7M
Q4 24
$10.3M
$19.5M
Q3 24
$11.6M
$16.2M
Q2 24
$11.5M
$16.1M
Q1 24
$11.3M
$14.9M
Net Profit
CTM
CTM
OCC
OCC
Q4 25
$-1.3M
$48.6K
Q3 25
$415.4K
$301.9K
Q2 25
$-322.1K
$-697.9K
Q1 25
$-1.2M
$-1.1M
Q4 24
$-2.7M
$373.5K
Q3 24
$-1.3M
$-1.6M
Q2 24
$-1.8M
$-1.6M
Q1 24
$-4.1M
$-1.4M
Gross Margin
CTM
CTM
OCC
OCC
Q4 25
33.9%
31.9%
Q3 25
37.6%
31.7%
Q2 25
36.1%
30.4%
Q1 25
39.0%
29.4%
Q4 24
40.0%
33.5%
Q3 24
42.7%
24.2%
Q2 24
40.6%
25.1%
Q1 24
39.8%
25.0%
Operating Margin
CTM
CTM
OCC
OCC
Q4 25
-11.1%
1.4%
Q3 25
3.0%
2.8%
Q2 25
-2.7%
-2.4%
Q1 25
-12.7%
-5.4%
Q4 24
-15.7%
3.4%
Q3 24
-11.9%
-8.2%
Q2 24
-13.6%
-8.1%
Q1 24
-23.6%
-9.4%
Net Margin
CTM
CTM
OCC
OCC
Q4 25
-10.5%
0.2%
Q3 25
2.8%
1.5%
Q2 25
-2.3%
-4.0%
Q1 25
-10.0%
-7.0%
Q4 24
-26.6%
1.9%
Q3 24
-11.0%
-9.6%
Q2 24
-16.0%
-9.9%
Q1 24
-36.3%
-9.6%
EPS (diluted)
CTM
CTM
OCC
OCC
Q4 25
$-0.02
Q3 25
$0.00
Q2 25
$0.00
Q1 25
$-0.01
Q4 24
$-0.05
Q3 24
$-0.02
Q2 24
$-0.03
Q1 24
$-0.08
$-0.18

Balance Sheet & Financial Strength

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

Metric
CTM
CTM
OCC
OCC
Cash + ST InvestmentsLiquidity on hand
$237.5K
Total DebtLower is stronger
Stockholders' EquityBook value
$35.8M
$16.5M
Total Assets
$41.9M
$40.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CTM
CTM
OCC
OCC
Q4 25
$237.5K
Q3 25
$421.4K
Q2 25
$894.3K
Q1 25
$128.3K
Q4 24
$244.2K
Q3 24
$796.7K
Q2 24
$1.1M
Q1 24
$221.0K
Total Debt
CTM
CTM
OCC
OCC
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
OCC
OCC
Q4 25
$35.8M
$16.5M
Q3 25
$36.7M
$18.2M
Q2 25
$31.8M
$19.1M
Q1 25
$26.1M
$19.7M
Q4 24
$20.2M
$20.8M
Q3 24
$12.0M
$20.4M
Q2 24
$12.1M
$21.8M
Q1 24
$12.8M
$23.3M
Total Assets
CTM
CTM
OCC
OCC
Q4 25
$41.9M
$40.1M
Q3 25
$46.3M
$40.2M
Q2 25
$43.4M
$39.1M
Q1 25
$41.1M
$37.8M
Q4 24
$37.8M
$40.4M
Q3 24
$28.8M
$37.6M
Q2 24
$29.5M
$39.9M
Q1 24
$30.5M
$40.5M
Debt / Equity
CTM
CTM
OCC
OCC
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
OCC
OCC
Operating Cash FlowLast quarter
$-661.7K
$797.3K
Free Cash FlowOCF − Capex
$718.8K
FCF MarginFCF / Revenue
3.6%
Capex IntensityCapex / Revenue
0.4%
Cash ConversionOCF / Net Profit
16.40×
TTM Free Cash FlowTrailing 4 quarters
$1.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CTM
CTM
OCC
OCC
Q4 25
$-661.7K
$797.3K
Q3 25
$1.0M
$-2.2M
Q2 25
$214.2K
$141.4K
Q1 25
$-2.5M
$2.7M
Q4 24
$-394.4K
$-1.5M
Q3 24
$742.2K
$552.4K
Q2 24
$748.6K
$373.7K
Q1 24
$23.7K
$-261.1K
Free Cash Flow
CTM
CTM
OCC
OCC
Q4 25
$718.8K
Q3 25
$957.0K
$-2.3M
Q2 25
$73.4K
Q1 25
$2.6M
Q4 24
$-1.6M
Q3 24
$738.9K
$475.2K
Q2 24
$218.2K
Q1 24
$-341.5K
FCF Margin
CTM
CTM
OCC
OCC
Q4 25
3.6%
Q3 25
6.5%
-11.4%
Q2 25
0.4%
Q1 25
16.5%
Q4 24
-8.1%
Q3 24
6.4%
2.9%
Q2 24
1.4%
Q1 24
-2.3%
Capex Intensity
CTM
CTM
OCC
OCC
Q4 25
0.4%
Q3 25
0.3%
0.4%
Q2 25
0.4%
Q1 25
0.5%
Q4 24
0.0%
0.3%
Q3 24
0.0%
0.5%
Q2 24
0.0%
1.0%
Q1 24
0.0%
0.5%
Cash Conversion
CTM
CTM
OCC
OCC
Q4 25
16.40×
Q3 25
2.41×
-7.29×
Q2 25
Q1 25
Q4 24
-4.08×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

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