Form 4 Filing for Iron Mountain Inc. (IRM)

This filing details a transaction by Simons Doyle, a director at Iron Mountain Inc., involving 339.36 shares of phantom stock acquired on July 6, 2026. This acquisition, related to the Directors Deferred Compensation Plan, means the phantom shares will be paid out in Iron Mountain Incorporated common stock upon the director's disability or cessation of service. The transaction code "A" indicates acquisition, and the post-transaction shares owned by Simons Doyle amount to 46,213.296. Footnote F2 indicates that the shares reflect reinvested dividends. The filing also includes a Power of Attorney document authorizing representatives to sign Section 16 filings on behalf of Doyle R. Simons.