SEC Form 4 · accession 0001732058-26-000021
IRON MOUNTAIN INC · IRM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Mark Kidd
Officer — EVP, GM Data Centers & ALM
Period of report
Sep 1, 2026
Accepted (ET)
Sep 2, 2026 · 4:20 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001020569
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $.01 per share | Sep 1, 2026 | S | 6,000 | $115.60 | D | 95,507 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 20, 2025.