{"filing":{"accession_number":"0001877939-26-000075","cik":"0001877939","ticker":"CTM","company_name":"Castellum, Inc.","form":"8-K","filing_date":"2026-08-31","report_date":"2026-08-31","primary_document":"ctm-20260831.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1877939/000187793926000075/ctm-20260831.htm"},"events":[{"id":30586,"run_id":28036,"accession_number":"0001877939-26-000075","anchor_item_number":"8.01","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"summary":"Castellum announced a $32.8 million contract modification to its existing NAVAIR PMA-290 Special Missions contract, increasing the total ceiling to $136.2 million. This is a material operational and strategic event—a significant expansion of an existing government contract that the company describes as \"the largest prime contract win in Castellum's history.\" The modification expands scope across multiple intelligence, surveillance, reconnaissance, and targeting programs and demonstrates customer confidence in performance. While this is a positive business development, it does not fit the specific categories of M\u0026A activity, debt issuance, or other named financial events; it is best classified as a material operational/strategic milestone.","company_name":"Castellum, Inc.","ticker":"CTM","filing_date":"2026-08-31","form":"8-K","submitted_at":null,"items":[{"id":33222,"accession_number":"0001877939-26-000075","item_number":"8.01","item_title":"Other Events.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Castellum announced a $32.8 million contract modification to its existing NAVAIR PMA-290 Special Missions contract, increasing the total ceiling to $136.2 million. This is a material operational and strategic event—a significant expansion of an existing government contract that the company describes as \"the largest prime contract win in Castellum's history.\" The modification expands scope across multiple intelligence, surveillance, reconnaissance, and targeting programs and demonstrates customer confidence in performance. While this is a positive business development, it does not fit the specific categories of M\u0026A activity, debt issuance, or other named financial events; it is best classified as a material operational/strategic milestone.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T20:10:07.221544+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":33222,"accession_number":"0001877939-26-000075","item_number":"8.01","item_title":"Other Events.","event_type":"operational_other","event_domain":"operational","is_material":true,"confidence":0.85,"reasoning":"Castellum announced a $32.8 million contract modification to its existing NAVAIR PMA-290 Special Missions contract, increasing the total ceiling to $136.2 million. This is a material operational and strategic event—a significant expansion of an existing government contract that the company describes as \"the largest prime contract win in Castellum's history.\" The modification expands scope across multiple intelligence, surveillance, reconnaissance, and targeting programs and demonstrates customer confidence in performance. While this is a positive business development, it does not fit the specific categories of M\u0026A activity, debt issuance, or other named financial events; it is best classified as a material operational/strategic milestone.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-31T20:10:07.221544+00:00","company_name":"Castellum, Inc.","ticker":"CTM","filing_date":"2026-08-31"}]}