{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-148424","form_type":"8-K","ticker":"EQR","cik":"0000906107","company_name":"EQUITY RESIDENTIAL","filed_at":"2023-05-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:42.738281+00:00","generated_at":"2026-06-14T20:31:03.413472+00:00","sec_items":["8.01","9.01"],"event_type":"leadership","sentiment":"negative","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"Equity Residential founder Samuel Zell dies; David Neithercut appointed chairman","bullets":["Samuel Zell, founder and chairman of Equity Residential, passed away at age 81 on May 18, 2023.","David J. Neithercut, former CEO (2006-2018) and board member since 2006, has been appointed as chairman effective immediately.","Zell founded the predecessor company while a student at Michigan and took it public in 1993, building EQR into a $31B S&P 500 apartment owner.","The company cited its long-standing succession planning and commitment to continuing Zell's focus on shareholder value creation."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-148424","json":"https://secwatch.observer/filing/0001193125-23-148424.json","markdown":"https://secwatch.observer/filing/0001193125-23-148424.md","text":"https://secwatch.observer/filing/0001193125-23-148424.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/906107/000119312523148424/0001193125-23-148424-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/906107/000119312523148424/d505438d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-14T20:31:03.413472+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"}