{"schema_version":"secwatch.filing_event.v1","accession":"0001877939-25-000034","form_type":"8-K","ticker":"CTM","cik":"0001877939","company_name":"Castellum, Inc.","filed_at":"2025-04-10T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.338203+00:00","generated_at":"2026-05-23T17:30:08.930365+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Castellum warns remaining warrant holders of May 16, 2025 expiration deadline","bullets":["4,500,000 units sold in March 2025 at $1.00/unit; each unit includes 1 share and 1 warrant exercisable at $1.08.","As of April 10, 2025, investors have exercised 1,145,000 warrants, generating $1,236,600 in gross proceeds.","Remaining 3,355,000 warrants will expire on May 16, 2025 if not exercised by that date.","Company issued press release on April 10, 2025 reminding holders of the expiration deadline."],"urls":{"canonical":"https://secwatch.observer/filing/0001877939-25-000034","json":"https://secwatch.observer/filing/0001877939-25-000034.json","markdown":"https://secwatch.observer/filing/0001877939-25-000034.md","text":"https://secwatch.observer/filing/0001877939-25-000034.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1877939/000187793925000034/0001877939-25-000034-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1877939/000187793925000034/ctm-20250410.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-23T17:30:08.930365+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"}