| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| RAKOWICH WALTER C | Director | C/O IRON MOUNTAIN INCORPORATED, 85 NEW HAMPSHIRE AVENUE, SUITE 150, PORTSMOUTH | /s/ Keely Stewart, under Power of Attorney dated April 17, 2023, from Walter C. Rakowich | 2025-06-02 | 0001202432 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IRM | Common Stock, par value $.01 per share | Award | $0 | +2.25K | +6.4% | $0.00 | 37.4K | May 29, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 29, 2025. The RSUs vest in their entirety on the grant date. |