{"schema_version":"secwatch.filing_event.v1","accession":"0000860546-23-000039","form_type":"8-K","ticker":"CDP","cik":"0000860546","company_name":"COPT DEFENSE PROPERTIES","filed_at":"2023-09-05T23:59:59+00:00","discovered_at":"2026-05-14T18:03:36.805136+00:00","generated_at":"2026-06-11T00:18:04.743339+00:00","sec_items":["5.03","7.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"Corporate Office Properties Trust rebrands to COPT Defense Properties; ticker changes to CDP","bullets":["Name change to COPT Defense Properties effective Sept 15, 2023; NYSE ticker changes from OFC to CDP.","100% of committed capital since 2016 has been in Defense/IT development projects.","CEO states defense focus insulates portfolio from office sector work-from-home headwinds.","No shareholder action required for name or ticker symbol change."],"urls":{"canonical":"https://secwatch.observer/filing/0000860546-23-000039","json":"https://secwatch.observer/filing/0000860546-23-000039.json","markdown":"https://secwatch.observer/filing/0000860546-23-000039.md","text":"https://secwatch.observer/filing/0000860546-23-000039.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/860546/000086054623000039/0000860546-23-000039-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/860546/000086054623000039/ofc-20230905.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-11T00:18:04.743339+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":[{"claim_id":"436ed857eaa93bb6010c9eebece0ff017a122024","claim":"COPT DEFENSE PROPERTIES: Amended declaration of trust to change company name to COPT Defense Properties, effective September 15, 2023 (effective 2023-09-15).","evidence_excerpt":"On September 5, 2023, Corporate Office Properties Trust (the “Company”) filed Articles of Amendment to its Amended and Restated Declaration of Trust (the “Articles of Amendment”) to change its name to COPT Defense Properties effective as of September 15, 2023.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/860546/000086054623000039/0000860546-23-000039-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2023-09-15"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}