Castellum, Inc. (CTM) stock

CTMNYSEServices-Management Consulting ServicesFiscal year ends December 31

Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 11/3035% below fair value

$0.45−0.05 (-9.95%)

Close on Nov 12, 2026Market cap $42.65MP/E –Yield –

Castellum statistics

82 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings: Mar 4, 2027 (estimated, after the close)
Last ex-dividend date: No dividends
Fundamentals through: Sep 30, 2026
Share price as of: Nov 12, 2026

Valuation ratiosIndustry

Market Cap: $42.65M; $323.32M
Enterprise Value: $26.96M; $344.68M
PS Ratio: 0.77; 1.75
PB Ratio: 1.17; 2.68
P/TBV Ratio: 2.01; 5.78
P/FCF Ratio: 116.24; 19.10
P/OCF Ratio: 105.58; 15.92

Enterprise valuationIndustry

EV / Sales: 0.49; 1.66
EV / FCF: 73.48; 22.22

Share statisticsIndustry

Shares Outstanding: 95M; 30M
Shares Change (YoY): 25.6%; 1.02%
Shares Change (QoQ): 0.25%; 0.00%
Float: 68M; 29M
Shares Held by Insiders: 28.3%; 4.27%
Shares Held by Institutions: 8.34%; 67.7%

Short sellingIndustry

Short Interest: 6M; –
Short Interest Change: -3.73%; -4.60%
Short % of Float: 8.55%; 5.23%
Short % of Shares Outstanding: 6.14%; 3.31%
Days to Cover: 15.69; 4.22

Stock price statisticsIndustry

52-Week High: $1.24; –
52-Week Low: $0.34; –
20-Day Moving Average: $0.50; –
50-Day Moving Average: $0.57; –
200-Day Moving Average: $0.69; –
Average True Range (14): $0.04; –
Price Change (1 Week): -5.00%; 0.30%
Price Change (1 Month): -22.2%; -2.01%
Price Change (3 Months): -31.0%; -4.18%
Price Change (6 Months): -34.6%; 0.09%
Price Change (YTD): -50.2%; -0.82%
Price Change (1 Year): -62.2%; -4.63%
Price Change (3 Years): 27.8%; -10.3%
Price Change (5 Years): -90.5%; -36.8%
Average Volume (10 Days): 934,219; –
Average Volume (20 Days): 646,015; –
Average Volume (90 Days): 783,046; –
Relative Volume: 0.62; 0.68
Relative Strength Index (14): 41.0; 45.5
Volatility (1 Year): 73.0%; 62.9%
Beta (5 Years): 0.55; 0.83

MarginsIndustry

Gross Margin: 34.9%; 41.3%
Operating Margin: -6.76%; 1.24%
Pretax Margin: -5.43%; 2.70%
Profit Margin: -5.69%; 0.84%
EBITDA Margin: -4.33%; 3.79%
FCF Margin: 0.66%; 5.92%

Returns on capitalIndustry

Return on Equity (ROE): -8.63%; 1.76%
Return on Assets (ROA): -7.14%; -2.60%
Return on Invested Capital (ROIC): -15.0%; 5.25%
Return on Capital Employed (ROCE): -10.2%; 3.71%

Financial positionIndustry

Current Ratio: 4.94; 1.36
Quick Ratio: 4.70; 0.75

GrowthIndustry

Revenue Growth (YoY): 9.50%; 5.34%
Revenue Growth (3Y CAGR): 7.81%; 5.14%
Revenue Growth (5Y CAGR): 31.7%; 7.65%

EfficiencyIndustry

Asset Turnover: 1.25; 0.82
WACC: 7.72%; 8.33%

Income statement (TTM)Industry

Revenue: $55.42M; $23.50M
Gross Profit: $19.35M; $19.35M
Operating Income: -$3.75M; -$48.83K
Pretax Income: -$3.01M; -$31.25K
Net Income: -$3.15M; -$62.45K
EBITDA: -$2.40M; -$25.17K
EPS (Diluted): -$0.03; $0.00

Balance sheetIndustry

Cash & Short-Term Investments: $15.69M; $5.19M
Net Cash (Debt): $15.69M; $10.79K
Net Cash Per Share: $0.17; $0.00
Equity (Book Value): $36.34M; $12.47M
Book Value Per Share: $0.38; $0.73
Tangible Book Value: $21.20M; $13.82K
Working Capital: $20.56M; $4.10M

Cash flow (TTM)Industry

Operating Cash Flow: $403.98K; $41.37K
Capital Expenditures: -$37.04K; -$6.55M
Free Cash Flow: $366.94K; $6.94M
FCF Per Share: $0.00; $0.47

Dividends and yieldsIndustry

Earnings Yield: -7.39%; 0.80%
FCF Yield: 0.86%; 2.65%

Taxes and interestIndustry

Interest Expense: -$28.66K; $468.43K
Income Tax: $143.41K; $1.16M

Scores and fair valueIndustry

Altman Z-Score: 4.12; 2.98
Piotroski F-Score: 4; 5

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

Period	CTM	S&P 500	Difference	CTM per year	S&P 500 per year
1 month	-25.0%	-2.7%	−22.3 pts
3 months	-28.6%	-1.7%	−26.9 pts
Year to date	-50.2%	+11.9%	−62.1 pts
1 year	-59.1%	+12.0%	−71.1 pts
3 years	+28.6%	+78.2%	−49.6 pts	+8.7%	+21.2%
5 years	-90.5%	+73.2%	−163.7 pts	-37.5%	+11.6%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

6M CTM shares were sold short on Oct 30, 2026, down 3.7% from the previous report, or 8.55% of the shares available to trade. At recent volumes it would take 15.7 days to buy them back. Over the last 20 sessions, 55.8% of the volume reported to FINRA was short selling.

Settlement date	Shares short	Change	Avg. daily volume	Days to cover
Oct 30, 2026	5,817,264	-3.7%	370,689	15.7
Oct 15, 2026	6,042,817	+11.4%	415,082	14.6
Sep 30, 2026	5,423,015	-0.0%	412,728	13.1
Sep 15, 2026	5,425,022	-23.3%	646,184	8.4
Aug 31, 2026	7,075,635	+23.7%	657,482	10.8
Aug 14, 2026	5,720,306	-4.0%	1,608,743	3.6
Jul 31, 2026	5,956,892	+2.0%	1,230,222	4.8
Jul 15, 2026	5,840,420	-7.6%	949,892	6.2
Jun 30, 2026	6,320,226	+63.8%	4,593,686	1.4
Jun 15, 2026	3,858,606	-2.9%	15,375,957	1.0
May 29, 2026	3,973,051	-22.6%	1,448,755	2.7
May 15, 2026	5,136,284	+22.6%	2,900,659	1.8