{"schema_version":"secwatch.filing_event.v1","accession":"0000895417-23-000037","form_type":"8-K","ticker":"ELS","cik":"0000895417","company_name":"EQUITY LIFESTYLE PROPERTIES INC","filed_at":"2023-05-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.701235+00:00","generated_at":"2026-06-14T20:30:48.615190+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"confidence":"high","headline":"ELS Chairman Samuel Zell passes away; Thomas Heneghan named Chairman","bullets":["Samuel Zell, Chairman of ELS since 1995, passed away on May 18, 2023.","Board named Thomas Heneghan, previously Vice Chairman, as Chairman effective immediately.","Heneghan served as ELS CEO from 2004 to 2013 and Vice Chairman since 2018.","Marguerite Nader remains President and CEO; succession was pre-planned."],"urls":{"canonical":"https://secwatch.observer/filing/0000895417-23-000037","json":"https://secwatch.observer/filing/0000895417-23-000037.json","markdown":"https://secwatch.observer/filing/0000895417-23-000037.md","text":"https://secwatch.observer/filing/0000895417-23-000037.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/895417/000089541723000037/0000895417-23-000037-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/895417/000089541723000037/els-20230518.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T20:30:48.615190+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"}