{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-026136","form_type":"8-K","ticker":"SPG","cik":"0001063761","company_name":"SIMON PROPERTY GROUP INC.","filed_at":"2025-03-20T23:59:59+00:00","discovered_at":"2026-05-14T18:03:02.843479+00:00","generated_at":"2026-05-24T09:41:42.326537+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Simon Property Group director Allan B. Hubbard to retire on May 14, 2025","bullets":["Allan B. Hubbard notified Board of retirement effective May 14, 2025; not due to any disagreement.","Hubbard joined the Board in 2009 and served on Compensation and Governance Committees.","Will not stand for re-election at the upcoming 2025 annual meeting.","No replacement director has been announced as of the filing date."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-026136","json":"https://secwatch.observer/filing/0001104659-25-026136.json","markdown":"https://secwatch.observer/filing/0001104659-25-026136.md","text":"https://secwatch.observer/filing/0001104659-25-026136.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1063761/000110465925026136/0001104659-25-026136-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1063761/000110465925026136/tm259848d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T09:41:42.326537+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":"0a8eb877e4","claim":"Allan B. Hubbard departed as Member of the Board of Directors at SIMON PROPERTY GROUP INC..","evidence_excerpt":"On March 20, 2025, Allan B. Hubbard, a member of the Board of Directors (the “Board”) of Simon Property Group, Inc. (the “Company”), notified the Company that, effective May 14, 2025, he is retiring from the Board and will not stand for re-election at the Company’s upcoming 2025 annual meeting of shareholders to be held on May 14, 2025.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1063761/000110465925026136/0001104659-25-026136-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retiring"},{"label":"Role","value":"Member of the Board of Directors"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}