| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 10/05/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 2k | $57.68 | $115.4k | | 10/05/2023 |
| 08/04/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 2k | $59.70 | $119.4k | | 08/04/2023 |
| 07/12/2023 | IRON MOUNTAIN INC | IRM | Exercise | Common Stock, par value $.01 per share | 2.4k | $24.80 | $59.1k | | 07/12/2023 |
| 07/12/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 2.4k | $59.21 | $141k | | 07/12/2023 |
| 07/12/2023 | IRON MOUNTAIN INC | IRM | Exercise | Employee Stock Option (Right to Buy) | 2.4k | $24.80 | $59k | | 07/12/2023 |
| 03/08/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $53.72 | $60.4k | | 03/08/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 2.7k | $52.58 | $144.1k | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 774 | $52.58 | $40.7k | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 6.5k | $0.00 | $0 | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 1.8k | $0.00 | $0 | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Grant | Restricted Stock Units | 6.4k | $0.00 | $0 | | 03/01/2023 |
| 02/24/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $51.77 | $58.2k | | 02/23/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 5.7k | $52.77 | $301.1k | | 02/23/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Exercise | Performance Units | 18k | $0.00 | $0 | | 02/23/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Grant | Performance Units | 18k | $0.00 | $0 | | 02/23/2023 |
| 02/21/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 898 | $50.67 | $45.5k | | 02/21/2023 |
| 02/21/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 3.3k | $0.00 | $0 | | 02/21/2023 |
| 01/11/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $50.58 | $56.9k | | 01/11/2023 |
| 12/14/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $55.15 | $62k | | 12/14/2022 |
| 09/14/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $53.82 | $60.5k | | 09/14/2022 |
| 08/10/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $54.00 | $60.8k | | 08/10/2022 |
| 07/13/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $47.50 | $53.4k | | 07/13/2022 |
| 06/13/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.1k | $50.00 | $56.2k | | 06/13/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Grant | Restricted Stock Units | 5.5k | $0.00 | $0 | | 03/01/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 2.4k | $49.67 | $118.2k | | 03/01/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 6.5k | $0.00 | $0 | | 03/01/2022 |
| 02/25/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 500 | $46.52 | $23.3k | | 02/24/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Grant | Performance Units | 11.9k | $0.00 | $0 | | 02/24/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Exercise | Performance Units | 11.9k | $0.00 | $0 | | 02/24/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 3.5k | $45.43 | $159.2k | | 02/24/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 898 | $42.68 | $38.3k | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 491 | $42.68 | $21k | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 3.3k | $0.00 | $0 | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 1.8k | $0.00 | $0 | | 02/22/2022 |
| 01/12/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 500 | $46.38 | $23.2k | | 01/12/2022 |
|