| 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 | 21 Nov 2025 | 0001457703 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | IRM | Common Stock, par value $.01 per share | Purchase | $2,954 | +33 | +2.6% | $89.52 | 1,308 | 19 Nov 2025 | Direct |