| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Kelly Christie B. | Director | C/O IRON MOUNTAIN INCORPORATED, 85 NEW HAMPSHIRE AVENUE, SUITE 150, PORTSMOUTH | /s/ Christine Zhang, under Power of Attorney dated September 11, 2025, from Christie Kelly | 2025-10-22 | 0001457703 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IRM | Common Stock, par value $.01 per share | Award | $0 | +1.28K | $0.00 | 1.28K | Oct 21, 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on October 21, 2025. The RSUs vest in their entirety on the grant date. |