Iron Mountain (IRM): Sen. Markwayne Mullin disclosed a sale $1K–$15K

$1,001–$15,000

Reported range · official band, not an exact amount

26 days

Disclosure lag

Traded

Dec 18, 2025

Disclosed

Jan 13, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Oct 21, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 21, 2025, the board of directors (the “Board”) of the Company elected Christie Kelly, age 64, to serve as a director of the Company effective immediately.”
2. Oct 31, 2025InsiderOfficer sold ~$737K of IRM shares in the open market
3. Nov 3, 2025Insider · 2 peopleInsiders: 4 sales (~$7.7M)
4. Nov 5, 2025Company filing · Form 8-K · ResultsReported its results
5. Nov 13, 2025Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations
6. Nov 14, 20255% stakeCohen & Steers, Inc. reported a passive stake (13G) of 5.4%
7. Nov 19, 2025Government · Federal Register noticeUnited States, et al. v. UnitedHealth Group Incorporated, et al.; Response of Plaintiff United States to Public Comments on the Proposed Final Judgment
8. Nov 19, 2025Government · Federal Register noticeUnited States v. Hewlett Packard Enterprise Co. and Juniper Networks, Inc.; Response of the United States to Public Comments on the Proposed Final Judgments
9. Nov 19, 2025Insider · First insider buy since Feb 2018Director purchased ~$3K of IRM shares in the open market
10. Dec 1, 2025Insider · 2 peopleInsiders: 3 sales (~$6.3M)
11. Dec 5, 2025Government · Federal Register noticeUnited States of America et al. v. RealPage, Inc. et al.; Proposed Final Judgment and Competitive Impact Statement
12. Dec 18, 2025 · this disclosureCongressDisclosed sale of IRM — reported range $1,001 - $15,000

What came next

1. Dec 18, 2025Government · Federal Register noticeUnited States et al. v. Constellation Energy Corporation et al.; Proposed Final Judgment and Competitive Impact Statement
2. Dec 18, 2025CongressDisclosed sale of IRM — reported range $15,001 - $50,000
3. Jan 2, 2026Insider · 2 peopleInsiders: 3 sales (~$3.7M)
4. Jan 21, 2026Government · Federal Register noticeUnited States of America et al. v. RealPage, Inc. et al. Proposed Final Judgment and Competitive Impact Statement
5. Feb 3, 2026Government · Federal Register noticeUnited States v. Columbus McKinnon Corp., et al.; Proposed Final Judgment and Competitive Impact Statement
6. Feb 4, 2026CongressDisclosed sale of IRM — reported range $1,001 - $15,000
7. Feb 9, 2026Government · Federal Register noticeUnited States et al. v. RealPage, Inc.et al.; Response of the United States to Public Comments
8. Feb 12, 2026Company filing · Form 8-K · ResultsReported its results
9. Feb 13, 20265% stakeCohen & Steers, Inc. reported a passive stake (13G) of 6.5%
10. Feb 18, 2026Government · Federal Register noticeUnited States v. Reddy Ice LLC, et al. Proposed Final Judgment and Competitive Impact Statement
11. Feb 20, 2026Insider · 2 peopleInsiders: 2 sales (~$4.8M)
12. Mar 2, 2026Insider · 3 peopleInsiders: 11 sales (~$16.4M)
13. Mar 3, 2026Insider · 1 personInsiders: 4 sales (~$10.5M)
14. Mar 4, 2026Insider · 1 personInsiders: 2 sales (~$10.6M)
15. Mar 5, 2026Insider · 1 personInsiders: 3 sales (~$10.5M)
16. Mar 19, 2026Insider · 1 personInsiders: 5 sales (~$6.2M)
17. Mar 27, 20265% stakeThe Vanguard Group reported a passive stake (13G)
18. Apr 1, 2026Insider · 2 peopleInsiders: 2 sales (~$4.6M)

How to read Senate eFD periodic transaction report

The STOCK Act is a 2012 US law that requires members of Congress, and some senior staff, to publicly report their stock trades, and those of their spouse and dependent children, within 45 days.

Full guide: What is the STOCK Act?

What else is on file for Iron Mountain

For Iron Mountain, OQRO holds 19 insider filings (SEC Form 4 or Form 144) and 9 federal contract awards dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its IRM page.

Other recent filings by Sen. Markwayne Mullin

• Senate eFD periodic transaction report at UnitedHealth (UNH)Mar 10, 2026
• Senate eFD periodic transaction report at AutoZone (AZO)Mar 10, 2026
• Senate eFD periodic transaction report at Intuit (INTU)Mar 10, 2026
• Senate eFD periodic transaction report at Monolithic Power Systems (MPWR)Mar 2, 2026
• Senate eFD periodic transaction report at McKesson Corporation (MCK)Mar 2, 2026

The full history of Sen. Markwayne Mullin is on the profile page.

How this filing works

• The STOCK Act

Other disclosures at Iron Mountain

• SEC Form 4Nov 9, 2026
• SEC Form 4Nov 9, 2026
• SEC Form 4Nov 9, 2026
• SEC Form 4Nov 9, 2026
• SEC Form 144Nov 6, 2026
• SEC Form 4Nov 3, 2026

Everything OQRO holds on this company is on its IRM page.