{"url_path":"/sec/irm/8-k/2026-03-09/item-9-01","section_key":"item-9-01","section_title":"Item 9.01 Financial Statements and Exhibits.","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-03-09","source_url":"https://www.sec.gov/Archives/edgar/data/1020569/0001020569-26-000016-index.html","accession_number":"0001020569-26-000016","cik":"0001020569","ticker":"IRM","issuer_name":"IRON MOUNTAIN INC","edgar_url":"https://www.sec.gov/Archives/edgar/data/1020569/0001020569-26-000016-index.html","primary_entity_key":"0001020569","primary_entity_name":"IRON MOUNTAIN INC"},"word_count":107,"has_tables":true,"body_markdown":"Item 9.01.    Financial Statements and Exhibits.\n\n \n\n(d) Exhibits\n\n8.1     [Opinion of Sulli](irmfye2025taxopinionletter.htm)[van & Worcester LLP as to tax matters](irmfye2025taxopinionletter.htm) (Filed herewith)\n\n23.1    [Consent of Sullivan & Worcester LLP](irmfye2025taxopinionletter.htm) (contained in Exhibit 8.1)\n\n99.1    [Material United States Federal Income Tax Considerations](irmfye2025taxdisclosureimp.htm) (Filed herewith)\n\n \n\n104    The cover page from this Current Report on Form 8-K, formatted as Inline XBRL.\n\nSIGNATURES\n\nPursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.\n\nIRON MOUNTAIN INCORPORATED\n\nBy:/s/ Michelle Altamura\n\nName:Michelle Altamura\n\nTitle:Executive Vice President, General Counsel and Secretary\n\nDate: March 9, 2026"}