Welcome to our dedicated page for Castellum SEC filings (Ticker: CTM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Castellum, Inc. filings document a Nevada public company that provides cybersecurity, electronic warfare, software engineering, and related technology services to federal government customers. Its Form 8-K reports cover operating results, contract awards, CMMC Level 2 C3PAO certification, debt retirement, executive employment arrangements, officer appointments, and shareholder communications.
Proxy materials describe annual meeting matters, board elections, stockholder voting procedures, executive compensation, and governance practices. The filings also identify Castellum as an emerging growth company and provide formal disclosure around capital structure, subsidiaries, and material events tied to its defense-focused services business.
Castellum, Inc. reported voting results from its May 19, 2026 annual stockholder meeting. Stockholders elected five directors to serve until the next annual meeting, with Glen R. Ives receiving 29,097,115 votes in favor and 4,619,401 withheld.
Stockholders also ratified the appointment of RSM US LLP as independent registered public accounting firm for the fiscal year ended December 31, 2026, with 53,771,662 votes for and 2,553,667 against. In addition, they approved an amendment to the Second Amended 2021 Stock Incentive Plan to increase the aggregate number of shares reserved for issuance under the plan to 13,000,000, with 19,780,876 votes for and 13,632,126 against.
Castellum, Inc. filed a report highlighting its 2026 Annual Meeting of Stockholders and an accompanying management presentation, which will follow the meeting and be accessible both in person and via webcast.
The attached materials show first-quarter 2026 revenue of $14,291,961, up from $11,664,365 a year earlier, and a reduced net loss to common shareholders of $378,093. Non-GAAP adjusted EBITDA improved to $394,930 from $75,030, and the company reports a debt-free balance sheet with cash of $15,772,974 as of March 31, 2026. Contract backlog was $273 million and the opportunity pipeline $938 million, both as of March 31, 2026, supporting its growth narrative.
Castellum, Inc. reported strong first quarter 2026 results with revenue of $14.3 million, up 23% from $11.7 million a year earlier, driven by ramp-up of long-term contracts won in 2025. Gross profit rose to $5.1 million, while operating expenses declined, narrowing the net loss to $0.4 million from $1.2 million. Non-GAAP Adjusted EBITDA improved to $0.4 million from $0.08 million. The company ended March 31, 2026 with $15.8 million in cash, a record backlog of $273.3 million, a qualified pipeline of $938 million, and no long-term debt, positioning it to fund growth initiatives and pursue selective acquisitions.
Castellum, Inc. reported strong top-line growth but remained modestly unprofitable for the quarter ended March 31, 2026. Revenue rose to $14.3 million from $11.7 million, driven mainly by large Navy-related contracts at subsidiaries GTMR and SSI and additional labor on existing work.
Gross profit increased to $5.1 million, though higher subcontractor usage for new awards limited margin expansion. Operating loss improved to $0.7 million from $1.5 million, helped by lower general and administrative expenses and reduced stock-based compensation. Net loss to common shareholders narrowed to $0.4 million.
Castellum ended the quarter with $15.8 million of cash and total liabilities of $5.7 million, after fully repaying a related-party note and previously closing its revolving credit facility. Operating activities generated $1.3 million of cash. Total scheduled contract backlog was $273.3 million, including substantial funded and option value, though realization depends on future government funding decisions.
Castellum, Inc. filed a report describing that it has achieved Cybersecurity Maturity Model Certification (CMMC) Level 2 after a comprehensive assessment by an accredited C3PAO. Management explains this validates that Castellum and its subsidiaries meet advanced cybersecurity requirements for protecting Controlled Unclassified Information on U.S. Department of Defense programs.
The company notes a perfect score of 110 out of 110 controls and 320 objectives with no open remediation items, positioning it to compete for Department of Defense work that explicitly requires CMMC Level 2. Castellum also highlights a step-by-step technical roadmap, with a redesigned corporate website expected to launch in the second quarter, and mentions working with The Equity Group to enhance investor relations outreach.
Castellum, Inc. is asking stockholders to vote at its 2026 annual meeting on May 19, 2026, held in person and via audio webcast. Stockholders will elect five directors, ratify RSM US LLP as independent auditor for the year ending December 31, 2026, and consider an amendment to the Second Amended 2021 Stock Incentive Plan to lift the total shares reserved for issuance to 13,000,000. The proxy also describes board composition, committee structures, cybersecurity oversight, director independence, clawback and insider trading policies, director pay, ownership levels, and detailed employment and equity arrangements for senior executives.
Castellum, Inc. reported that General Counsel and Secretary Tammy L. Martin acquired additional common stock through the company’s 2025 Employee Stock Purchase Plan. On March 31, 2026, she obtained 1,329 shares of common stock at $0.4544 per share, a 15% discount to the March 30, 2026 NYSE American closing price. Following this transaction, she directly holds 13,829 shares of Castellum common stock.
Castellum, Inc. Chief Financial Officer and Treasurer David T. Bell acquired 1,329 shares of common stock, increasing his direct holdings to 16,053 shares. The shares were obtained under Castellum’s 2025 Employee Stock Purchase Plan at a per share price of $0.4544.
According to the plan terms, the purchase price reflected a 15% discount to the closing price of Castellum’s common stock on the NYSE American LLC on March 30, 2026, making this a routine compensation-related stock purchase rather than an open-market trade.
Castellum, Inc. Chief Operating Officer Andrew Merriman acquired 1,329 shares of common stock through the company’s 2025 Employee Stock Purchase Plan at a per share purchase price of $0.4544. Following this plan purchase, he directly holds a total of 537,329 Castellum common shares.
Castellum, Inc. director Charles Thomas McMillen reported an open-market sale of 30,000 shares of common stock at an average price of $0.7043 per share. After this transaction, he directly holds 231,015 shares of Castellum common stock.