| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/07/2023 | IRON MOUNTAIN INC | IRM | Exercise | Employee Stock Option (Right to Buy) | 25k | $38.83 | $969.4k | | 06/07/2023 |
| 06/07/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 32.9k | $56.06 | $1.8M | | 06/07/2023 |
| 06/07/2023 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 25k | $55.83 | $1.4M | | 06/07/2023 |
| 05/31/2023 | IRON MOUNTAIN INC | IRM | Other (acquisition) | Common Stock, par value $.01 per share | 455 | $50.58 | $23k | | 06/07/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 9.6k | $0.00 | $0 | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 3.1k | $0.00 | $0 | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Grant | Restricted Stock Units | 12.3k | $0.00 | $0 | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 4.1k | $52.58 | $213.3k | | 03/01/2023 |
| 03/01/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 1.3k | $52.58 | $69.3k | | 03/01/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Exercise | Performance Units | 24k | $0.00 | $0 | | 02/23/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Grant | Performance Units | 24k | $0.00 | $0 | | 02/23/2023 |
| 02/23/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 8.1k | $52.77 | $427.9k | | 02/23/2023 |
| 02/21/2023 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 1.3k | $50.67 | $65.4k | | 02/21/2023 |
| 02/21/2023 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 4.4k | $0.00 | $0 | | 02/21/2023 |
| 05/31/2022 | IRON MOUNTAIN INC | IRM | Other (acquisition) | Common Stock, par value $.01 per share | 540 | $51.14 | $27.6k | | 05/31/2022 |
| 04/14/2022 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 6.2k | $56.11 | $348.9k | | 04/14/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 4.1k | $49.67 | $201.5k | | 03/01/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 9.5k | $0.00 | $0 | | 03/01/2022 |
| 03/01/2022 | IRON MOUNTAIN INC | IRM | Grant | Restricted Stock Units | 9.3k | $0.00 | $0 | | 03/01/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 4.4k | $45.43 | $200.8k | | 02/24/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Grant | Performance Units | 15.6k | $0.00 | $0 | | 02/24/2022 |
| 02/24/2022 | IRON MOUNTAIN INC | IRM | Exercise | Performance Units | 15.6k | $0.00 | $0 | | 02/24/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 1.3k | $42.68 | $54.8k | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Payment of Exercise | Common Stock, par value $.01 per share | 654 | $42.68 | $27.9k | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 4.4k | $42.68 | $189.4k | | 02/22/2022 |
| 02/22/2022 | IRON MOUNTAIN INC | IRM | Exercise | Restricted Stock Units | 2.4k | $0.00 | $0 | | 02/22/2022 |
| 12/27/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 20.3k | $52.10 | $1.1M | | 12/27/2021 |
| 12/27/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 11.6k | $52.00 | $604.1k | | 12/27/2021 |
| 12/27/2021 | IRON MOUNTAIN INC | IRM | Exercise | Employee Stock Option (Right to Buy) | 31.9k | $37.00 | $1.2M | | 12/27/2021 |
| 12/16/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 23.7k | $50.72 | $1.2M | | 12/16/2021 |
| 12/16/2021 | IRON MOUNTAIN INC | IRM | Exercise | Employee Stock Option (Right to Buy) | 23.7k | $35.72 | $847.1k | | 12/16/2021 |
| 09/02/2021 | IRON MOUNTAIN INC | IRM | Exercise | Employee Stock Option (Right to Buy) | 29k | $33.72 | $979.1k | | 09/02/2021 |
| 09/02/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 29k | $48.72 | $1.4M | | 09/02/2021 |
| 04/30/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1000 | $40.29 | $40.3k | | 04/30/2021 |
| 04/12/2021 | IRON MOUNTAIN INC | IRM | Sale | Common Stock, par value $.01 per share | 1.4k | $37.70 | $51.2k | | 04/12/2021 |
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