The Equity Group
NYSE American · CTM
Castellum, Inc.
Mission-critical technology for national security.
Castellum is a technology and solutions company focused on solving the nation’s most pressing national security challenges — delivering intelligence analysis, software development and modernization, model based systems engineering, electronic warfare, cybersecurity, and data analytics to the U.S. government and commercial customers.
Stock Information
NYSE AmericanLast updated: —
Quotes are delayed and provided for informational purposes only. Full stock information →
Ticker
CTM
Exchange
NYSE American
SEC CIK
0001877939
CUSIP
14838T204
State of Incorporation
Nevada
Fiscal Year End
December 31
Headquarters
Vienna, Virginia
About the Company
Built for today’s evolving security environment
Castellum, Inc. serves clients across the U.S. government, financial services, legal, and other users of large data applications. The Company combines organic capability growth with a disciplined acquisition strategy in cybersecurity, information technology, electronic warfare, information warfare, and information operations, having completed seven acquisitions since 2019.
Operating Subsidiaries
- Corvus Consulting, LLCCyber and information warfare, intelligence analysis, and mission support.
- Specialty Systems, Inc.Software and cyber engineering for naval aviation systems (SSI).
- Global Technology and Management Resources, Inc.Systems engineering and special missions support (GTMR).
Core Focus Areas
- Cybersecurity
- Software Development & Modernization
- Model Based Systems Engineering
- Electronic Warfare & EMSO
- Data Analytics & AI/ML
- Program & Mission Support
Please note: Castellum, Inc. (NYSE American: CTM) is a Nevada-incorporated U.S. national security technology company headquartered in Vienna, Virginia. It is a separate and unaffiliated entity from Castellum AB, the Swedish real estate company.
Latest Reported Results
First Half 2026 Revenue Increased 10% to $28.2 Million; Company Expects Full Year 2026 to Be a Record Year in Terms of Revenue
Announced August 6, 2026
Q2 2026 Revenue
$13.9M
vs. $14.0M in Q2 2025
First Half 2026 Revenue
$28.2M
up 10% vs. $25.7M
First Half Gross Profit
$9.8M
up 2% vs. $9.6M
Cash
$16.9M
as of June 30, 2026
Long-Term Debt
None
debt-free balance sheet
Total Backlog
$271.7M
as of June 30, 2026
News and SEC Filings
Email Alerts
Stay informed
Receive Castellum press releases, SEC filing notifications and event announcements as they are issued. After submitting your request you will receive an activation email; you must click the activation link to complete your subscription.
By providing your email address, you are providing consent to Castellum, Inc. to send you the requested Investor Email Alert updates. We will not share your information with any third party.
Get in Touch
Investor Relations
The Equity Group
Val Ferraro
Company & M&A Inquiries
(301) 961-4895
info@CastellumUS.com
Vienna, VA 22182
United States
Investor FAQ
Frequently asked questions
What does Castellum, Inc. do?
Castellum, Inc. is a technology and solutions company focused on solving the nation’s most pressing national security challenges. The Company provides intelligence analysis, software development and modernization, model based systems engineering, program management, mission planning, electronic warfare and electromagnetic spectrum operations, cybersecurity, and data analytics to the U.S. Government and commercial customers.
What is Castellum’s ticker symbol and stock exchange?
Castellum, Inc. common stock trades on NYSE American under the ticker symbol CTM. Shares can be purchased or sold through any stock brokerage firm or financial institution that provides brokerage services for NYSE American stocks. Castellum, Inc. is a Nevada corporation and is not affiliated with Castellum AB, the Swedish real estate company.
What is the Company’s CUSIP number?
The Company’s CUSIP number is 14838T204.
Who is Castellum’s transfer agent?
Nevada Agency and Transfer Company (NATCO)
50 W Liberty St #880
Reno, NV 89501
info@natco.com · (301) 961-4895
Whom do I contact for a change of address?
Notify your broker if you move or need to update your address.
Where can I find Castellum’s filings with the Securities and Exchange Commission?
The Company’s most recent filings appear in the SEC Filings section of this site. The complete filing history is available on the SEC EDGAR system under Central Index Key (CIK) 0001877939 and Commission File Number 001-41526.
NYSE AMERICAN: CTM
Forward-Looking Statements: This communication contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements relate to future events, financial performance, business strategy and operating results, and are based on management’s current expectations and assumptions. Actual results may differ materially from those projected due to various risks and uncertainties, including those described in Castellum, Inc.’s filings with the U.S. Securities and Exchange Commission. Castellum, Inc. undertakes no obligation to update any forward-looking statements except as required by law.
Stock quote data is provided by a third-party source, is delayed, and is presented for informational purposes only. It is not intended for trading purposes or as investment advice. Castellum, Inc. does not guarantee the accuracy, completeness or timeliness of third-party data.
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