SEC Filing Summary for Theodore R. Samuels II

Theodore R. Samuels II, a director at Iron Mountain Inc., acquired 349.88 shares of phantom stock on April 6, 2026, valued at $103.61 per share, bringing his total holdings to 11406.14 shares. These phantom shares represent common stock and were acquired as part of his participation in the Directors Deferred Compensation Plan, reflecting reinvested quarterly compensation. Additionally, 92.27 phantom shares were acquired on the same date at $103.52 per share, bringing his total to 11498.41 shares. These were acquired due to reinvested dividends. All transactions were executed under a power of attorney. The prices reported are weighted averages from transactions ranging from $103.45 to $103.62.