IRM · Iron Mountain Incorporated

Summary

Iron Mountain Incorporated filed an 8-K on March 9, 2026, under Item 8.01 Other Events, incorporating Exhibit 99.1 by reference, which contains a description of a material event. The filing also includes under Item 9.01 exhibits consisting of an opinion on tax matters from Sullivan & Worcester LLP and their consent.

Key takeaways

• Item 8.01 discloses a material event described in Exhibit 99.1
• Exhibit 8.1 is the Opinion of Sullivan & Worcester LLP as to tax matters
• Exhibit 23.1 is the Consent of Sullivan & Worcester LLP
• Filing date: 2026-03-09