{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-185348","form_type":"8-K","ticker":"EXR","cik":"0001289490","company_name":"Extra Space Storage Inc.","filed_at":"2023-07-11T23:59:59+00:00","discovered_at":"2026-05-14T18:03:33.486754+00:00","generated_at":"2026-06-13T09:50:27.971620+00:00","sec_items":["8.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Extra Space & Life Storage issue supplemental proxy disclosures in response to shareholder lawsuits","bullets":["Five shareholder lawsuits filed in S.D.N.Y. allege proxy statement omitted material info about the merger.","Supplemental disclosures add details on Life Storage board discussions with Public Storage and Extra Space.","Life Storage board determined no conflicts existed with Extra Space; no independent committee formed.","Wells Fargo fairness opinion implies Life Storage equity value reference range of $110.86-$147.09 per share.","Extra Space and Life Storage deny legal necessity but make disclosures to avoid merger delay and reduce expense."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-185348","json":"https://secwatch.observer/filing/0001193125-23-185348.json","markdown":"https://secwatch.observer/filing/0001193125-23-185348.md","text":"https://secwatch.observer/filing/0001193125-23-185348.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1289490/000119312523185348/0001193125-23-185348-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1289490/000119312523185348/d495385d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-13T09:50:27.971620+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"}