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NYSE American · CTMTechnologyManagement Consulting

Castellum, Inc. (CTM)

$0.4900+2.08%
Close Nov 4, 2026 · split-adjusted
Nov 4, 2026$0.49▼ 61.42% in range
Nov 4, 2025Low $0.48 · High $1.27Nov 4, 2026
What changed · written from our data
As of Nov 4, 2026

Castellum closed at $0.49 on Nov 4, up 2.08%, within 2.9% of its 52-week closing low. Volume of 360.7K shares was 0.94× its 20-day average (close to normal).

Split-adjusted performance: -22.8% over one month, -29.2% over six months, -62.6% over one year.

In the quarter ended Jun 30, 2026, revenue was $13.86M, down 1.1% from a year earlier, with a net margin of -7.6%.

Short interest was 6.0M shares at the Oct 15 settlement, up 11.4% from the prior report (7.9% of float, 14.6 days to cover).

Market cap$46.4M94.8M shares
Revenue · quarter$13.9M−1.1% YoY
Diluted EPS$-0.01—
P/E · TTM—P/S 0.8×
Net margin-7.6%Gross 34.0%
Dividend yieldNone
52-week range0.48 – 1.31−62.6% from high
Volume360.7K0.94× 20-day avg
Volatility · 60d41.3%Annualised
Short % of float7.9%14.6 days to cover
Net cash$16.9MCash $16.9M
Next earnings—Not scheduled
Split-adjusted performance
1W −7.2%1M −22.8%3M −38.5%6M −29.2%YTD −45.7%1Y −62.6%3Y −2.0%5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Management Consulting

Percentile among 24 companies (100 = best)

6-month momentum22
Revenue growth35
Net margin25
Value (low P/E)—
Size22

Industry medians: 6-month return +15.8%, revenue growth −0.2%, net margin 2.0%, P/E 21.4×.

Short interest

Details →
Shares short6.0M+11.4% vs prior
Days to cover14.6Settled Oct 15
% of float7.9%
Short vol. 10d49.1%of daily volume

Closest peers by size in Management Consulting

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
CTMCastellum$0.4900+2.08%−29.2%−1.1%−7.6%—$46.4M
AUCATIF Holdings Limited$6.32−10.99%————$65.2MCompare
AERTAeries Technology$5.98+4.73%+16.6%+43.0%8.1%11.4$32.3MCompare
MHHMastech Digital$6.23−0.48%−12.4%−13.4%0.0%65.6$74.9MCompare
RTBRTB Digital$6.61−6.64%——−411.6%—$95.6MCompare
ACCSACCESS Newswire$3.58+0.85%−56.7%−0.1%−8.6%—$13.7MCompare
GRNQGreenpro Capital$6.75+4.81%−71.4%−29.3%−234.8%—$12.2MCompare
TSSITSS$6.85−2.56%−59.9%−20.1%4.1%13.5$193.3MCompare
CISOCISO Global$0.1837+7.05%−36.7%−13.7%−27.8%—$8.4MCompare

News about Castellum

All news →
Why Is Castellum Stock Soaring On Monday?Benzinga · Jun 15, 2026▲ Positive

Quick answers

What does Castellum do?
Castellum Inc is focused on building a successful technology services, solutions, and products company in the areas of cybersecurity, IT, electronic warfare, information warfare, system modernization, and information operations with businesses in the defense, federal, civilian, and commercial markets. Services include intelligence analysis, software development, software engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, data analytics, and model-based systems engineering.
What is CTM's market cap?
$46.44M, based on the Nov 4 close of $0.49.
Does Castellum pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CTM is sold short?
6.0M shares, 7.9% of float, as of Oct 15, 2026.
What sector is CTM in?
Technology, in the Management Consulting industry.

About Castellum

Castellum Inc is focused on building a successful technology services, solutions, and products company in the areas of cybersecurity, IT, electronic warfare, information warfare, system modernization, and information operations with businesses in the defense, federal, civilian, and commercial markets. Services include intelligence analysis, software development, software engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, data analytics, and model-based systems engineering. The company maintains one operating and reportable segment, which is the delivery of products and services in the areas of information technology, electronic warfare, information warfare and cybersecurity in the governmental and commercial markets.

HQ: Vienna, VA244 employeesListed Jun 3, 2011castellumus.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology