{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-24-026573","form_type":"8-K","ticker":"IRM","cik":"0001020569","company_name":"IRON MOUNTAIN INC","filed_at":"2024-02-22T23:59:59+00:00","discovered_at":"2026-05-14T18:03:23.127558+00:00","generated_at":"2026-06-05T18:06:33.244048+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Iron Mountain files updated REIT tax summary and opinion from Sullivan & Worcester","bullets":["Filed Exhibit 99.1 replacing prior federal income tax description for REIT qualification.","Sullivan & Worcester opines on REIT qualification for 2014-2023 and expected future compliance.","No financial results, guidance, or operational updates; purely disclosure refresh.","Stock transfer restrictions remain to maintain 100+ beneficial owner requirement."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-24-026573","json":"https://secwatch.observer/filing/0001104659-24-026573.json","markdown":"https://secwatch.observer/filing/0001104659-24-026573.md","text":"https://secwatch.observer/filing/0001104659-24-026573.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1020569/000110465924026573/0001104659-24-026573-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1020569/000110465924026573/tm246812d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-05T18:06:33.244048+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"}