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. 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.
Castellum, Inc. President and Chief Executive Officer Glen R. Ives bought 2,000 shares of common stock in an open-market transaction at a price of $0.6157 per share. Following this purchase, he directly owns 199,616 shares of Castellum common stock.
Castellum, Inc. Chief Operating Officer Andrew Merriman reported an open-market purchase of common stock. He bought 2,000 shares at a price of $0.6426 per share. After this transaction, he directly owns 536,000 shares, so the purchase increases an already substantial existing stake by a relatively small amount.
Castellum, Inc. President and Chief Executive Officer Glen R. Ives reported an open-market purchase of common stock. On March 26, 2026, he bought 10,000 shares of Castellum common stock at $0.6649 per share. Following this transaction, his direct holdings total 197,616 shares of common stock.
Castellum, Inc. director Charles Thomas McMillen sold shares in an open-market transaction. On March 18, 2026, he sold 55,000 shares of Common Stock at an average price of $0.8018 per share. After this sale, he continues to hold 261,015 shares directly, meaning he retained the majority of his stake.
Castellum, Inc. Chief Operating Officer Andrew Merriman bought shares on the open market. On this Form 4, he purchased 3,000 shares of common stock at an average price of $0.7983 per share. Following this transaction, he directly owns 534,000 shares, indicating a modest increase in his personal stake.
Castellum, Inc. files its annual report describing a government-focused technology business providing cybersecurity, IT, C4ISR, engineering, mission support, and IT services, largely to U.S. defense and civilian agencies. The company pursues growth through acquisitions and organic expansion, supported by an $817 million qualified opportunity pipeline as of December 31, 2025.
Castellum’s revenue is highly concentrated: in 2025 its top three contracts generated $28,341,498, or 54% of revenue, mainly from Navy and DoD cyber and engineering work. The report highlights heavy dependence on U.S. government budgets and regulations, an accumulated deficit of $56,588,218 as of December 31, 2025, ongoing net losses, and the need for additional capital, which may dilute shareholders. It also discloses significant potential dilution from preferred stock, options, and warrants and outlines extensive regulatory, contracting, and political risks tied to federal funding and oversight.