Iron Mountain Inc SEC filings IRM
Iron Mountain Inc has 1,012 filings in SEC EDGAR's recent list, going back to Feb 20, 2019. Its latest annual report, Form ARS, was filed on Mar 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 5, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations
|
Nov 5, 2026 | Nov 5, 2026 |
| 4 | Insider transaction | Nov 3, 2026 | Nov 2, 2026 |
| 144 | Notice of proposed sale | Nov 2, 2026 | — |
| 4 | Insider transaction | Oct 8, 2026 | Oct 6, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 2, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 5, 2026 | Oct 1, 2026 |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| 144 | Notice of proposed sale | Oct 1, 2026 | — |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 144 | Notice of proposed sale | Sep 1, 2026 | — |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 7, 2026 |
| 4 | Insider transaction | Aug 10, 2026 | Aug 6, 2026 |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 144 | Notice of proposed sale | Aug 7, 2026 | — |
| 144 | Notice of proposed sale | Aug 6, 2026 | — |
| 10-Q | Quarterly report | Aug 5, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 5, 2026 | Aug 5, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 7, 2026 | Jul 6, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 2, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 144 | Notice of proposed sale | Jul 1, 2026 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 26, 2026 | Jun 26, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 2, 2026 | Jun 1, 2026 |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 144 | Notice of proposed sale | Jun 1, 2026 | — |
| 4 | Insider transaction | May 26, 2026 | May 21, 2026 |
| 4 | Insider transaction | May 21, 2026 | May 20, 2026 |
| 144 | Notice of proposed sale | May 21, 2026 | — |
| 144 | Notice of proposed sale | May 20, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 12, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 12, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 12, 2026 | May 8, 2026 |
| 144 | Notice of proposed sale | May 12, 2026 | — |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 8, 2026 | — |
| 144 | Notice of proposed sale | May 8, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 7, 2026 | — |
| 4 | Insider transaction | May 5, 2026 | May 1, 2026 |
| 10-Q | Quarterly report | Apr 30, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 30, 2026 | — |
| 8-K |
Current report
Results of operations
|
Apr 30, 2026 | Apr 30, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 7, 2026 | Apr 6, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 4 | Insider transaction | Apr 2, 2026 | Apr 1, 2026 |
| 144 | Notice of proposed sale | Apr 1, 2026 | — |
| 144 | Notice of proposed sale | Apr 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| DEFA14A | Additional proxy material | Mar 24, 2026 | — |
| DEF 14A | Proxy statement | Mar 24, 2026 | Dec 31, 2025 |
| ARS | Annual report to shareholders | Mar 24, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 144 | Notice of proposed sale | Mar 19, 2026 | — |
| 4 | Insider transaction | Mar 9, 2026 | Mar 5, 2026 |
| 8-K |
Current report
Other events
|
Mar 9, 2026 | Mar 9, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 3, 2026 |
| 144 | Notice of proposed sale | Mar 5, 2026 | — |
| 144 | Notice of proposed sale | Mar 4, 2026 | — |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 1, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 144 | Notice of proposed sale | Mar 3, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 144 | Notice of proposed sale | Mar 2, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 144 | Notice of proposed sale | Feb 20, 2026 | — |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 16, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 10-K | Annual report | Feb 12, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 12, 2026 | Feb 12, 2026 |
| 4 | Insider transaction | Jan 22, 2026 | Jan 21, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| 144 | Notice of proposed sale | Jan 2, 2026 | — |
| S-8 | Employee stock plan registration | Dec 15, 2025 | — |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 144 | Notice of proposed sale | Dec 1, 2025 | — |
| 4 | Insider transaction | Nov 21, 2025 | Nov 19, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Nov 13, 2025 | Nov 13, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 4 | Insider transaction | Nov 5, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 4 | Insider transaction | Nov 3, 2025 | Oct 31, 2025 |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 144 | Notice of proposed sale | Nov 3, 2025 | — |
| 144 | Notice of proposed sale | Oct 31, 2025 | — |
| 4 | Insider transaction | Oct 22, 2025 | Oct 21, 2025 |
| 3 | Initial insider ownership | Oct 22, 2025 | Oct 21, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 21, 2025 | Oct 21, 2025 |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 7, 2025 | Oct 3, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 144 | Notice of proposed sale | Oct 1, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Sep 10, 2025 | Sep 10, 2025 |
| 4 | Insider transaction | Sep 8, 2025 | Sep 4, 2025 |
| 4 | Insider transaction | Sep 5, 2025 | Sep 3, 2025 |
| 4 | Insider transaction | Sep 3, 2025 | Sep 2, 2025 |
| 144 | Notice of proposed sale | Sep 3, 2025 | — |
| 144 | Notice of proposed sale | Sep 2, 2025 | — |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 4 | Insider transaction | Aug 5, 2025 | Aug 1, 2025 |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 144 | Notice of proposed sale | Aug 1, 2025 | — |
| 144 | Notice of proposed sale | Jul 31, 2025 | — |
| 4 | Insider transaction | Jul 8, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 8, 2025 | Jul 3, 2025 |
| 4 | Insider transaction | Jul 3, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 144/A | Filing | Jul 1, 2025 | — |
| 144 | Notice of proposed sale | Jul 1, 2025 | — |
| 144 | Notice of proposed sale | Jul 1, 2025 | — |
| 144 | Notice of proposed sale | Jul 1, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Jun 20, 2025 | Jun 18, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 4, 2025 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Other events
|
Jun 4, 2025 | May 29, 2025 |
| 144 | Notice of proposed sale | Jun 4, 2025 | — |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 3, 2025 | Jun 2, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 144 | Notice of proposed sale | Jun 2, 2025 | — |
| 144 | Notice of proposed sale | Jun 2, 2025 | — |
| 4 | Insider transaction | May 27, 2025 | May 22, 2025 |
| 144 | Notice of proposed sale | May 22, 2025 | — |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| DEFR14A | Filing | May 5, 2025 | — |
| 144 | Notice of proposed sale | May 2, 2025 | — |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 1, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 18, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 18, 2025 | — |
| DEF 14A | Proxy statement | Apr 18, 2025 | May 29, 2025 |
| UPLOAD | Letter from the SEC | Apr 8, 2025 | — |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 4, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
| 4 | Insider transaction | Apr 7, 2025 | Apr 3, 2025 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Real Estate Investment Trusts (SIC 6798)
- Listed as
- IRM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Portsmouth, NH
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1020569
- Former names
- IRON MOUNTAIN INC/PA (until Jun 9, 2005); PIERCE LEAHY CORP (until Feb 16, 1999)
Other Real Estate Investment Trusts companies
- Welltower Inc. WELL
- Prologis, Inc. PLD
- Equinix Inc EQIX
- American Tower Corp /MA/ AMT
- Simon Property Group Inc. SPG
- Digital Realty Trust, Inc. DLR
- Public Storage PSA
- Realty Income Corp O
Source: SEC EDGAR filings. This is company-reported data, not investment advice.