Castellum, Inc. (CTM) is a Technology stock trading at $0.80 (as of 2026-06-18), with a market capitalization of $80.30M and a trailing P/E of -36.4. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.
Castellum, Inc. provides cybersecurity and information technology services, including intelligence analysis, software development and engineering, program management, mission and strategic planning, information assurance, and data analytics. Its work supports government and enterprise customers, including those in federal, financial services, and healthcare sectors.