{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-23-089776","form_type":"8-K","ticker":"EXR","cik":"0001289490","company_name":"Extra Space Storage Inc.","filed_at":"2023-04-03T23:59:59+00:00","discovered_at":"2026-05-14T18:03:38.286241+00:00","generated_at":"2026-06-17T06:49:18.494755+00:00","sec_items":["1.01","8.01","9.01"],"event_type":"m_and_a","sentiment":"neutral","materiality_score":0.85,"calibrated_materiality_score":0.85,"confidence":"high","headline":"Extra Space to acquire Life Storage in all-stock deal valued at ~$145.82/share","bullets":["Life Storage shareholders receive 0.8950 EXR share per LSI share; total consideration ~$145.82/share based on EXR close 3/31/23.","Combined company pro forma equity market cap ~$36B, enterprise value ~$47B; EXR shareholders own ~65%, LSI ~35%.","Boards unanimously approved; expected closing H2 2023, subject to shareholder approvals, regulatory conditions.","Termination fees: Life Storage pays $371M; Extra Space pays $761M under specified circumstances.","Extra Space CEO Joe Margolis highlights operational synergies, scale efficiencies, data analytics, third-party management."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-23-089776","json":"https://secwatch.observer/filing/0001193125-23-089776.json","markdown":"https://secwatch.observer/filing/0001193125-23-089776.md","text":"https://secwatch.observer/filing/0001193125-23-089776.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1289490/000119312523089776/0001193125-23-089776-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1289490/000119312523089776/d487333d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-17T06:49:18.494755+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":"edbf1c2ced463c8700210b0c9ac081ef647b3b57","claim":"Extra Space Storage Inc. entered into Agreement and Plan of Merger with Life Storage, Inc. and Life Storage LP (effective 2023-04-02).","evidence_excerpt":"On April 2, 2023, Extra Space Storage Inc., a Maryland corporation (“Extra Space”) and Extra Space Storage LP, a Delaware limited partnership (“Extra Space OP”) entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among Extra Space, Extra Space OP, Eros Merger Sub, LLC, a Delaware limited liability company and a wholly owned subsidiary of Extra Space (“Eros Merger Sub”), Eros OP Merger Sub, LLC, a Delaware limited liability company and a wholly owned subsidiary of Extra Space OP (“Eros OP Merger Sub” and, together with Extra Space, Extra Space OP and Eros Merger Sub, the “Extra Space Parties”), Life Storage, Inc., a Maryland corporation (“Life Storage”), and Life Storage LP, a Delaware limited partnership (“Life Storage OP” and, together with Life Storage, the “Life Storage Parties”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1289490/000119312523089776/0001193125-23-089776-index.htm","confidence":0.98,"family_label":"Material Agreements","details":[{"label":"Action","value":"entry"},{"label":"Agreement","value":"merger"},{"label":"Counterparty","value":"Life Storage, Inc. and Life Storage LP"},{"label":"Effective","value":"2023-04-02"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}