{"filing":{"accession_number":"0001877939-26-000052","cik":"0001877939","ticker":"CTM","company_name":"Castellum, Inc.","form":"8-K","filing_date":"2026-06-24","report_date":null,"primary_document":"ctm-20260623.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1877939/000187793926000052/ctm-20260623.htm"},"events":[{"id":13472,"run_id":11971,"accession_number":"0001877939-26-000052","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"summary":"The Item 8.01 disclosure centers on two operational events: (1) a CEO presentation at an industry conference on June 25, 2026, and (2) a $4 million U.S. Navy ADMACS Modernization Subcontract awarded to subsidiary SSI. The subcontract is the material event—it represents a significant new government contract that expands the company's Navy software portfolio and is explicitly characterized by management as strengthening the company's position and supporting organic growth. This is a material operational/business development event that does not fit the specific categories of M\u0026A, debt, or other named types, making operational_other the appropriate classification.","company_name":"Castellum, Inc.","ticker":"CTM","filing_date":"2026-06-24","form":"8-K","submitted_at":null,"items":[{"id":10614,"accession_number":"0001877939-26-000052","item_number":"8.01","item_title":"Other Events.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"The Item 8.01 disclosure centers on two operational events: (1) a CEO presentation at an industry conference on June 25, 2026, and (2) a $4 million U.S. Navy ADMACS Modernization Subcontract awarded to subsidiary SSI. The subcontract is the material event—it represents a significant new government contract that expands the company's Navy software portfolio and is explicitly characterized by management as strengthening the company's position and supporting organic growth. This is a material operational/business development event that does not fit the specific categories of M\u0026A, debt, or other named types, making operational_other the appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-24T20:04:06.818809+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":10614,"accession_number":"0001877939-26-000052","item_number":"8.01","item_title":"Other Events.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.75,"reasoning":"The Item 8.01 disclosure centers on two operational events: (1) a CEO presentation at an industry conference on June 25, 2026, and (2) a $4 million U.S. Navy ADMACS Modernization Subcontract awarded to subsidiary SSI. The subcontract is the material event—it represents a significant new government contract that expands the company's Navy software portfolio and is explicitly characterized by management as strengthening the company's position and supporting organic growth. This is a material operational/business development event that does not fit the specific categories of M\u0026A, debt, or other named types, making operational_other the appropriate classification.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-06-24T20:04:06.818809+00:00","company_name":"Castellum, Inc.","ticker":"CTM","filing_date":"2026-06-24"}]}