SecSonar.com

Castellum, Inc. (CTM)

Castellum, Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

Castellum, Inc. (CTM) is a Information Technology Services company based in US with a market capitalization of $80.2M. Revenue grew 18.1% year-over-year and free cash flow was negative at -$2.1M. This page tracks CTM's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 238 employees · IPO Oct 13, 2022

Valuation

Valuation & price

$0.68 · as of May 17, 2026 · -54.6% vs 52w high

—

P/E ratio

Latest-FY diluted EPS

2.24

P/B ratio

Market cap ÷ book equity

—

Dividend yield

Price — last 12 months

$1.40$1.01$0.62Jul 25Dec 25Jun 26Jul 7, 25$1.19Jul 9, 25$1.22Jul 11, 25$1.14Jul 15, 25$1.38Jul 17, 25$1.40Jul 21, 25$1.34Jul 23, 25$1.32Jul 25, 25$1.32Jul 29, 25$1.17Jul 31, 25$1.19Aug 4, 25$1.19Aug 6, 25$1.20Aug 8, 25$1.28Aug 12, 25$1.19Aug 14, 25$1.21Aug 19, 25$1.02Aug 21, 25$1.02Aug 25, 25$1.02Aug 27, 25$1.02Aug 29, 25$1.00Sep 3, 25$1.14Sep 5, 25$1.08Sep 9, 25$1.15Sep 11, 25$1.11Sep 15, 25$1.12Sep 17, 25$1.09Sep 19, 25$1.05Sep 23, 25$1.14Sep 25, 25$1.15Sep 29, 25$1.12Oct 2, 25$1.11Oct 6, 25$1.10Oct 8, 25$1.05Oct 10, 25$0.98Oct 14, 25$1.05Oct 16, 25$0.97Oct 20, 25$1.00Oct 22, 25$0.92Oct 24, 25$0.97Oct 28, 25$1.11Oct 30, 25$1.03Nov 3, 25$1.31Nov 5, 25$1.23Nov 7, 25$1.20Nov 11, 25$1.19Nov 14, 25$1.16Nov 18, 25$1.08Nov 20, 25$1.03Nov 24, 25$1.05Nov 26, 25$1.03Dec 1, 25$1.02Dec 3, 25$1.02Dec 5, 25$1.04Dec 9, 25$1.21Dec 11, 25$1.16Dec 15, 25$1.05Dec 17, 25$1.02Dec 19, 25$1.06Dec 23, 25$1.03Dec 26, 25$1.03Dec 31, 25$0.90Jan 5, 26$0.99Jan 7, 26$1.02Jan 9, 26$1.06Jan 13, 26$1.03Jan 15, 26$1.04Jan 20, 26$1.02Jan 22, 26$1.01Jan 26, 26$0.96Jan 28, 26$0.96Jan 30, 26$0.92Feb 3, 26$0.90Feb 5, 26$0.80Feb 9, 26$0.87Feb 11, 26$0.85Feb 17, 26$0.87Feb 19, 26$0.93Feb 23, 26$0.89Feb 25, 26$0.94Feb 27, 26$0.98Mar 3, 26$0.95Mar 5, 26$0.93Mar 9, 26$0.89Mar 11, 26$0.87Mar 13, 26$0.83Mar 17, 26$0.82Mar 19, 26$0.78Mar 23, 26$0.71Mar 25, 26$0.70Mar 27, 26$0.62Apr 1, 26$0.63Apr 6, 26$0.66Apr 8, 26$0.67Apr 10, 26$0.65Apr 14, 26$0.68Apr 16, 26$0.70Apr 20, 26$0.72Apr 22, 26$0.72Apr 24, 26$0.69Apr 28, 26$0.67Apr 30, 26$0.66May 4, 26$0.68May 6, 26$0.69May 8, 26$0.75May 12, 26$0.68May 15, 26$0.68May 19, 26$0.65May 21, 26$0.68May 26, 26$0.81May 28, 26$0.86Jun 1, 26$0.88Jun 3, 26$0.77Jun 5, 26$0.71Jun 9, 26$0.70Jun 11, 26$0.70Jun 15, 26$0.72Jun 17, 26$0.78Jun 22, 26$0.75Jun 24, 26$0.75Jun 30, 26$0.72
$0.5452-week range$1.49
Loading valuation history…

Fundamentals

Key fundamentals

$80.2M

Market cap

18.1%

Revenue growth (YoY)

36.6%

Gross margin

-$2.1M

Free cash flow (USD)

-$13.7M

Net debt

Net cash position

71.3%

Share dilution

1/5

Graham criteria passed

Defensive-investor screen

Technology

Sector

Trajectory

Long-term trends

Revenue by year

2016 → 2025

FY 2016$2.4KFY 2017$0.00FY 2018$0.00FY 2019$1.1MFY 2020$13.3MFY 2021$25.1MFY 2022$42.2MFY 2023$45.2MFY 2024$44.8MFY 2025$52.9M
$2.4K$52.9M

Free cash flow by year

2016 → 2025

FY 2016$-274.0KFY 2017$-1.6MFY 2018$-311.1KFY 2019$-218.9KFY 2020$1.0MFY 2021$-1.4MFY 2022$900.9KFY 2023$-2.3MFY 2024$1.1MFY 2025$-2.1M
-$274K-$2.1M

Gross margin by year

2021 → 2025

FY 202144.2%FY 202241.7%FY 202341.3%FY 202440.8%FY 202536.6%
44.2%36.6%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

0

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 8, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • 8-K eventCEO Employment Agreement AmendedJul 2, 2026Filing
  • 8-K eventSubcontract AwardJun 24, 2026Filing
  • 8-K eventContract AwardJun 15, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 20, 2026Filing
  • 8-K eventAnnual Meeting AnnouncementMay 18, 2026Filing
  • 8-K eventEarnings ReleaseMay 13, 2026Filing
  • Quarterly report10-Q FiledMay 8, 2026Filing
  • 8-K eventCMMC Certification AchievedApr 23, 2026Filing

Questions

Frequently asked questions

What is Castellum, Inc.'s market cap?

Castellum, Inc. (CTM) has a market capitalization of $80.2M.

What is CTM's P/E ratio?

A meaningful P/E ratio is not available for CTM — the company's latest fiscal-year earnings per share is zero, negative, or not yet cached.

What is CTM's price-to-book (P/B) ratio?

CTM trades at 2.24 times book value per share.

Are insiders buying CTM stock?

SEC Form 4 filings show no open-market insider buys at Castellum, Inc. in the last 90 days (0 sells).

Same arena

Related companies in Information Technology Services

CSPI

CSP Inc.

$99.4M

WYY

WidePoint Corporation

$108.6M

USIO

Usio, Inc.

$45.9M

JFU

9F Inc.

$39M

TTEC

TTEC Holdings, Inc.

$132.8M

CLPS

CLPS Incorporation

$26.4M

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.