secwatch.observer — SEC 8-K summary ====================================== Issuer: Castellum, Inc. (CTM) CIK: 0001877939 Form: 8-K Filed at: 2026-06-24T20:02:33+00:00 Accession: 0001877939-26-000052 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Castellum subsidiary SSI awarded $4M U.S. Navy ADMACS modernization subcontract ------------------------------------------------------------------------------- - Subsidiary SSI awarded $4M directed subcontract to modernize U.S. Navy's ADMACS system. - Award issued under SAIC prime contract on GSA ASTRO pool; SSI is lead system integrator. - SSI will execute phased modernization including DevSecOps, containerization, automated testing. - Strengthens Castellum's software engineering and Navy mission-system sustainment portfolio. - CEO cites contract as expanding higher-value modernization work and supporting organic growth. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793926000052/0001877939-26-000052-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1877939/000187793926000052/ctm-20260623.htm HTML page: https://secwatch.observer/filing/0001877939-26-000052 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer