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.

Iron Mountain Inc SEC filings
Form Description Filed Period
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 —
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 —
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
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
SCHEDULE 13G Ownership over 5% (passive) 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 —
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
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 —
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 —
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 —
4 Insider transaction Nov 5, 2025 Nov 3, 2025
4 Insider transaction Nov 5, 2025 Nov 3, 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
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 —
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 —
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 —
4 Insider transaction Jun 5, 2025 Jun 4, 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
144 Notice of proposed sale May 2, 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
4 Insider transaction Apr 3, 2025 Apr 1, 2025
144 Notice of proposed sale Apr 1, 2025 —
SCHEDULE 13G/A Amended ownership over 5% (passive) Mar 7, 2025 —
4/A Form 4/a Mar 5, 2025 Mar 3, 2025
4 Insider transaction Mar 5, 2025 Mar 3, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
4 Insider transaction Mar 4, 2025 Mar 1, 2025
144 Notice of proposed sale Mar 4, 2025 —
144 Notice of proposed sale Mar 3, 2025 —
144 Notice of proposed sale Mar 3, 2025 —
144 Notice of proposed sale Mar 3, 2025 —
144 Notice of proposed sale Mar 3, 2025 —
3 Initial insider ownership Feb 28, 2025 Feb 25, 2025
4 Insider transaction Feb 18, 2025 Feb 14, 2025
4 Insider transaction Feb 18, 2025 Feb 14, 2025
4 Insider transaction Feb 18, 2025 Feb 14, 2025
4 Insider transaction Feb 18, 2025 Feb 14, 2025
4 Insider transaction Feb 18, 2025 Feb 14, 2025
4 Insider transaction Feb 5, 2025 Feb 3, 2025
144 Notice of proposed sale Feb 3, 2025 —
4/A Form 4/a Jan 17, 2025 Jan 2, 2025
4/A Form 4/a Jan 15, 2025 Jul 17, 2023
4 Insider transaction Jan 10, 2025 Jan 7, 2025
4 Insider transaction Jan 8, 2025 Jan 7, 2025
4 Insider transaction Jan 8, 2025 Jan 7, 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.

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)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.