{"schema_version":"secwatch.filing_event.v1","accession":"0001877939-25-000044","form_type":"8-K","ticker":"CTM","cik":"0001877939","company_name":"Castellum, Inc.","filed_at":"2025-04-21T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.338559+00:00","generated_at":"2026-05-23T10:39:14.190984+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Castellum reduces $2M of principal on Eisiminger notes, extends maturity to Dec 2027, rate to 10%","bullets":["$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."],"urls":{"canonical":"https://secwatch.observer/filing/0001877939-25-000044","json":"https://secwatch.observer/filing/0001877939-25-000044.json","markdown":"https://secwatch.observer/filing/0001877939-25-000044.md","text":"https://secwatch.observer/filing/0001877939-25-000044.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1877939/000187793925000044/0001877939-25-000044-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1877939/000187793925000044/ctm-20250417.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T10:39:14.190984+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}