IRM Filing
4Filing Date: May 11, 2026
IRON MOUNTAIN INC (IRM) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001049128-26-000002open_in_new
Total Value$0
Trades1
Insiders1
Transaction Details
DAUTEN KENT P
Director·Direct
Grant · Acquire
Common Stock, par value $.01 per share
Shares+1.89K
Price$0.00
Total Value$0
Shares Owned After1.21M
Transaction DateMay 7, 2026
Footnotes ▸
Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 7, 2026. The RSUs vest in their entirety on the grant date.
Post-Transaction Holdings
DAUTEN KENT P
| Security | Shares | Change |
|---|---|---|
| Common Stock, par value $.01 per share | 1.21M | +1.89K (0.16%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-07
10b5-1 Pre-arranged Plan: No
--- Issuer ---
Name: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
--- Reporting Owner ---
Name: DAUTEN KENT P
CIK: 0001049128
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock, par value $.01 per share
Date: 2026-05-07 | Code: A (Grant or award)
Shares: +1,892 | Price: $0.00
Shares Owned After: 1,209,573 | Ownership: D (Direct)
Footnotes:
[F1] Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 7, 2026. The RSUs vest in their entirety on the grant date.
--- Footnotes (Complete Index) ---
F1: Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 7, 2026. The RSUs vest in their entirety on the grant date.
--- Signature ---
/s/ /s/ Keely Stewart, under Power of Attorney dated April 17, 2023 from Kent P. Dauten (2026-05-11)