secwatch.observer — SEC 8-K summary ====================================== Issuer: Castellum, Inc. (CTM) CIK: 0001877939 Form: 8-K Filed at: 2025-04-21T23:59:59+00:00 Accession: 0001877939-25-000044 Event type: debt Sentiment: neutral Materiality: 0.55 Item codes: 1.01, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Castellum reduces $2M of principal on Eisiminger notes, extends maturity to Dec 2027, rate to 10% -------------------------------------------------------------------------------- - $2M principal payment reduces two notes to $4M aggregate; $400k note paid off, $5.6M note now $4M. - Maturity on remaining note extended from Aug 2026 to Dec 15, 2027. - Interest rate on the $4M note increased from 8% to 10% per annum. - Amended letter agreement with Robert Eisiminger effective April 17, 2025. - CFO cites de-levering balance sheet; CEO says it fortifies organic growth strategy. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000044/0001877939-25-000044-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1877939/000187793925000044/ctm-20250417.htm HTML page: https://secwatch.observer/filing/0001877939-25-000044 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer