The Vanguard Group 13D and 13G filings for Iron Mountain Incorporated:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2024-02-13 5:08 pm Sale | 2023-12-29 | 13G | Iron Mountain Incorporated IRM | The Vanguard Group | 46,275,110 15.850% | -1,154,814 (-2.43%) | Filing |
| 2023-02-09 11:22 am Sale | 2022-12-30 | 13G | Iron Mountain Incorporated IRM | The Vanguard Group | 47,429,924 16.310% | -1,002,233 (-2.07%) | Filing |
| 2022-02-10 08:22 am Purchase | 2021-12-31 | 13G | Iron Mountain Incorporated IRM | The Vanguard Group | 48,432,157 16.730% | 68,768 (+0.14%) | Filing |
| 2021-02-10 11:04 am Purchase | 2020-12-31 | 13G | Iron Mountain Incorporated IRM | The Vanguard Group | 48,363,389 16.780% | 767,823 (+1.61%) | Filing |