{"schema_version":"secwatch.filing_event.v1","accession":"0001020569-26-000016","form_type":"8-K","ticker":"IRM","cik":"0001020569","company_name":"IRON MOUNTAIN INC","filed_at":"2026-03-09T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.410379+00:00","generated_at":"2026-05-15T17:26:29.757661+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"Iron Mountain updates REIT tax disclosure; counsel opines on qualification from 2014-2025","bullets":["Filed updated material U.S. federal income tax considerations for REIT status and stock ownership.","Sullivan & Worcester LLP opinion states Iron Mountain has qualified as a REIT for 2014-2025 and expects to continue.","Summary replaces prior tax descriptions; covers REIT requirements, distribution rules, and tax consequences for stockholders.","Company cautions that IRS challenges or changes in law could affect REIT qualification, with potential corporate-level tax.","Ownership restrictions in charter aim to prevent concentrated ownership that would jeopardize REIT status."],"urls":{"canonical":"https://secwatch.observer/filing/0001020569-26-000016","json":"https://secwatch.observer/filing/0001020569-26-000016.json","markdown":"https://secwatch.observer/filing/0001020569-26-000016.md","text":"https://secwatch.observer/filing/0001020569-26-000016.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1020569/000102056926000016/0001020569-26-000016-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1020569/000102056926000016/irm-20260309.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T17:26:29.757661+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"}