Company Description
Castellum, Inc. (NYSE-American: CTM) is described in its public disclosures as a cybersecurity, electronic warfare, and software engineering services company focused on the federal government. The company operates in the information sector and is associated with data processing, hosting, and related services. According to its filings and press releases, Castellum delivers technology-driven services and solutions that support national security missions and U.S. government customers.
Information from Polygon indicates that Castellum has been engaged in providing information technology services to users of large data applications, with offerings that have included intelligence analysis, software development and engineering, program management, strategic and mission planning, information assurance, cybersecurity and policy support, data analytics, and model-based systems engineering (MBSE). The company has also described a focus on acquiring technology businesses in cybersecurity, information technology, electronic warfare, information warfare, and information operations that serve defense, federal, civilian, and commercial markets.
Federal government and national security focus
Across multiple press releases, Castellum emphasizes its role in supporting national security customers and warfighters. The company highlights contracts and contract vehicles that relate to U.S. Department of Defense organizations, including the Naval Air Systems Command (NAVAIR), the Naval Air Warfare Center Aircraft Division (NAWCAD) Lakehurst, and the Missile Defense Agency (MDA). These contracts involve software support, cyber engineering, logistics, engineering, and cyber support services tied to mission-critical systems and operations.
Castellum’s subsidiary Specialty Systems, Inc. (SSI) appears frequently in company announcements. SSI has been awarded contracts for Software Support Activities (SSA) and cyber engineering for mission-critical naval systems, as well as logistics, engineering, and cyber support services for NAWCAD Lakehurst’s Mission Operations & Integration Department. These activities relate to Aircraft Launch and Recovery Equipment (ALRE), Naval Aviation Support Equipment (SE), and associated systems that enable carrier-based and expeditionary naval aviation operations.
Cybersecurity, electronic warfare, and software engineering
In its “About Castellum, Inc.” sections, the company consistently describes itself as a cybersecurity, electronic warfare, and software engineering services company (and in one instance as a cyber, electronic and information warfare, software development, engineering, and C5ISR services company) focused on the federal government. This positioning reflects an emphasis on cyber defense, electronic and information warfare support, and software-related services for government mission customers.
Castellum’s announcements also reference participation in the Missile Defense Agency SHIELD Multiple Award IDIQ contract vehicle. The related description notes that the MDA requires an advanced, multi-domain defense system capable of detecting, tracking, intercepting, and neutralizing threats from ballistic, hypersonic, and cruise missiles and other advanced aerial attacks, across land, sea, air, space, and cyberspace. Within that context, Castellum highlights support for electronic warfare programs and the use of artificial intelligence and machine learning-enabled applications, digital engineering, open systems architectures, model-based systems engineering, and agile processes in the acquisition, development, fielding, and sustainment of capabilities.
Subsidiaries, joint ventures, and contract vehicles
Castellum’s disclosures describe a structure that includes subsidiaries and joint ventures. The Specialty Systems, Inc. (SSI) subsidiary is central to several large prime contract awards with NAWCAD Lakehurst. The company also references a CTM joint venture, the C-K2 mentor protégé joint venture, and the Epic Specialty Systems mentor protégé joint venture, which have been awarded contracts under the MDA SHIELD IDIQ vehicle.
Castellum reports that SSI has added Special Item Number (SIN) 54151S to a General Services Administration Multiple Award Schedule (GSA MAS) contract, enabling SSI to bid on competitive contracts related to information technology professional services. This also allows Castellum to onboard a joint venture with SSI’s protégé, Epic Systems, Inc., to the same SIN, thereby expanding access to information technology opportunities on the GSA MAS schedule.
Advanced technology products and partnerships
In a shareholder update, Castellum notes that it has established a new subsidiary focused on advanced technology products and mentions investments in product development, including an extended reality assistant (xRA) prototype intended to provide augmented reality support for training and maintenance tasks. The company also reports a reseller agreement between its product subsidiary, Castellum Advanced Technology Products, Inc., and Tradewinds Networks, Inc. Under that agreement, Castellum will focus on reselling GuardTower AI products for intelligent cybersecurity management and support to its clients.
These disclosures indicate an interest in combining services with technology products, including AI-driven cybersecurity offerings and extended reality tools, to support mission customers in national security and related areas.
Growth through contracts and capital markets activity
Castellum’s press releases and corresponding Form 8-K filings describe a series of contract awards and financial developments. The company highlights the award of a five-and-a-half-year contract for Special Missions support of the Naval Air Systems Command Program Office PMA 290 Special Missions, a five-year logistics, engineering, and cyber support services contract for NAWCAD Lakehurst’s Mission Operations & Integration Department, and a five-and-a-half-year recompete contract for Software Support Activities and cyber engineering at NAWCAD Lakehurst.
In addition, Castellum reports that its joint ventures and subsidiary SSI have been awarded positions on the MDA SHIELD Multiple Award IDIQ contracts. The company also notes participation in capital markets events, such as a public offering of units consisting of common stock and warrants, and subsequent warrant exercises that generated additional gross proceeds. Press releases and 8-K filings describe the use of these proceeds and the company’s efforts to reduce debt and strengthen its balance sheet.
Financial reporting and SEC registrant status
Castellum, Inc. is incorporated in Nevada and identified in SEC filings with Commission File Number 001-41526 and Employer Identification Number 27-4079982. The company lists its principal executive offices in Vienna, Virginia. It is characterized in multiple 8-K filings as an emerging growth company under applicable Securities Act and Exchange Act rules, and it trades on the NYSE American under the ticker symbol CTM.
The company files current reports on Form 8-K to disclose material events such as contract awards, financial results, changes in executive roles, and capital markets activity. It also references annual reports on Form 10-K and quarterly reports on Form 10-Q for more detailed financial and risk factor information.
Business model and strategic focus
Based on the information provided, Castellum’s business model centers on delivering cybersecurity, electronic warfare, information warfare, software engineering, and related technology services to federal government and national security customers. The company’s communications emphasize organic growth through prime contract wins, the development of its own solutions and products, and select mergers and acquisitions. Its use of mentor-protégé joint ventures and contract vehicles such as GSA MAS and MDA SHIELD indicates a strategy of accessing a range of procurement channels in the federal market.
Polygon’s description further suggests that Castellum’s capabilities extend to areas such as intelligence analysis, data analytics, information assurance, and MBSE, as well as program management and strategic and mission planning for users of large data applications. The company also notes a history of acquiring technology companies in cybersecurity, IT, electronic warfare, information warfare, and information operations.
Stock information and investor interest
Castellum’s shares trade on the NYSE American exchange under the symbol CTM. The company’s announcements reference engagement with institutional investors, including participation in events like the Maxim Growth Summit, where Castellum meets with investors and analysts. Through its press releases and SEC filings, the company provides updates on contract awards, financial performance, capital structure changes, and corporate developments that may be relevant to current and prospective shareholders.
FAQs about Castellum, Inc. (CTM)
- What does Castellum, Inc. do?
According to its public disclosures, Castellum, Inc. is a cybersecurity, electronic warfare, and software engineering services company focused on the federal government. Polygon data also describes it as providing information technology services, including areas such as intelligence analysis, software development and engineering, cybersecurity, data analytics, and model-based systems engineering.
- Which markets does Castellum primarily serve?
The company’s press releases and Polygon description indicate a primary focus on federal government and national security customers, including defense-related organizations such as the Naval Air Systems Command, the Naval Air Warfare Center Aircraft Division Lakehurst, and the Missile Defense Agency. Polygon also notes activity in defense, federal, civilian, and commercial markets.
- What are some of Castellum’s key capability areas?
Disclosed capability areas include cybersecurity, electronic and information warfare, software engineering and development, C5ISR-related services, intelligence analysis, data analytics, information assurance, program management, strategic and mission planning, and model-based systems engineering. The company also references cyber engineering and logistics and engineering support for mission-critical systems.
- How does Castellum engage with large federal contracts?
Castellum reports multiple prime contract awards through its subsidiary Specialty Systems, Inc. and joint ventures. These include contracts for Software Support Activities and cyber engineering for naval aviation systems, logistics and engineering support for NAWCAD Lakehurst, and participation in the Missile Defense Agency SHIELD Multiple Award IDIQ contract vehicle. The company also notes access to information technology professional services opportunities via GSA MAS SIN 54151S.
- Does Castellum develop or work with technology products?
In a shareholder letter, Castellum mentions a new subsidiary focused on advanced technology products and an extended reality assistant (xRA) prototype for training and maintenance tasks. The company also reports a reseller agreement under which its product subsidiary will resell Tradewinds Networks, Inc.’s GuardTower AI products for intelligent cybersecurity management and support.
- Where is Castellum, Inc. incorporated and where are its principal offices located?
SEC filings state that Castellum, Inc. is incorporated in Nevada. The filings list principal executive offices in Vienna, Virginia, without specifying a street address here.
- On which exchange does CTM trade?
Castellum, Inc. trades on the NYSE American under the ticker symbol CTM, as indicated in multiple press releases and SEC filings.
- How does Castellum describe its growth strategy?
In its communications, the company emphasizes organic growth through full and open prime contract wins, investments in its own solutions and products, and the pursuit of mergers and acquisitions. It also highlights the use of mentor-protégé joint ventures and contract vehicles such as GSA MAS and MDA SHIELD to expand its opportunities in the federal market.
- What role do subsidiaries and joint ventures play in Castellum’s business?
Subsidiaries such as Specialty Systems, Inc. are central to several major contract awards, particularly with NAWCAD Lakehurst. Castellum also references joint ventures, including a CTM joint venture, the C-K2 mentor protégé joint venture, and the Epic Specialty Systems mentor protégé joint venture, which participate in contract vehicles like MDA SHIELD.
- Is Castellum considered an emerging growth company?
Multiple Form 8-K filings identify Castellum, Inc. as an emerging growth company under SEC rules, and the company has indicated that status in the check-box disclosures within those filings.
Stock Performance
Castellum (CTM) stock last traded at $0.6801, up 3.62% from the previous close. Over the past 12 months, the stock has lost 46.0%. At a market capitalization of $66.8M, CTM is classified as a micro-cap stock with approximately 94.6M shares outstanding.
Latest News
Castellum has 10 recent news articles. Of the recent coverage, 8 articles coincided with positive price movement and 2 with negative movement. Key topics include earnings, conferences. View all CTM news →
SEC Filings
Castellum has filed 5 recent SEC filings, including 2 Form 4, 1 Form 144, 1 Form 10-K, 1 Form 8-K. The most recent filing was submitted on March 20, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all CTM SEC filings →
Insider Radar
Insider selling at Castellum over the past 90 days can reflect routine portfolio management, scheduled trading plans (Rule 10b5-1), tax planning, or compensation-related dispositions rather than a directional view on the stock.
Financial Highlights
Castellum generated $52.9M in revenue over the trailing twelve months, retaining a 36.6% gross margin, operating income reached -$2.8M (-5.3% operating margin), and net income was -$2.4M, reflecting a -4.5% net profit margin. Diluted earnings per share stood at $-0.03. The company generated -$1.9M in operating cash flow. With a current ratio of 4.40, the balance sheet reflects a strong liquidity position.
Upcoming Events
Note maturity date
Castellum has 1 upcoming scheduled event. The next event, "Note maturity date", is scheduled for December 15, 2027 (in 630 days). 1 of the upcoming events are financial in nature, such as earnings calls or quarterly results. Investors can track these dates to stay informed about potential catalysts that may affect the CTM stock price.
Short Interest History
Short interest in Castellum (CTM) currently stands at 3.6 million shares, up 44.5% from the previous reporting period, representing 4.8% of the float. Over the past 12 months, short interest has increased by 37.7%. This relatively low short interest suggests limited bearish sentiment.
Days to Cover History
Days to cover for Castellum (CTM) currently stands at 2.4 days, up 84.8% from the previous period. This days-to-cover ratio represents a balanced liquidity scenario for short positions. The days to cover has increased 144% over the past year, indicating either rising short interest or declining trading volume. The ratio has shown significant volatility over the period, ranging from 1.0 to 2.8 days.
CTM Company Profile & Sector Positioning
Castellum (CTM) operates in the Information Technology Services industry within the broader Services-management Consulting Services sector and is listed on the NYSE.
Investors comparing CTM often look at related companies in the same sector, including Csp Inc (CSPI), Trident Digital Tech Holdings Ltd (TDTH), Fiscalnote Hldg (NOTE), Ttec Hldgs Inc (TTEC), and Widepoint (WYY). Comparing financial metrics, valuation ratios, and stock performance across these peers can help investors evaluate CTM's relative position within its industry.