IRM Filing
4Filing Date: May 13, 2026
IRON MOUNTAIN INC (IRM) · Insider Trading (Form 4) SEC Filing
Statement of Changes in Beneficial Ownership
descriptionView SEC Filing
ACC: 0001020569-26-000057open_in_new
Total Value$244.0K
Trades1
Insiders1
Transaction Details
Arway Pamela M
Director·Direct
Sell · Dispose
Common Stock, par value $.01 per share
Shares-1.89K
Price$128.97
Total Value$244.0K
Shares Owned After40.20K
Transaction DateMay 12, 2026
10b5-1
Footnotes ▸
The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 8, 2025.
Post-Transaction Holdings
Arway Pamela M
| Security | Shares | Change |
|---|---|---|
| Common Stock, par value $.01 per share | 40.20K | -1.89K (-4.50%) |
Original SEC Filing Textexpand_more
=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-05-12
10b5-1 Pre-arranged Plan: Yes
--- Issuer ---
Name: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
--- Reporting Owner ---
Name: Arway Pamela M
CIK: 0001464822
Role: Director
--- Non-Derivative Transactions ---
[Transaction #1]
Security: Common Stock, par value $.01 per share
Date: 2026-05-12 | Code: S (Open market sale)
Shares: -1,892 | Price: $128.97
Total Value: $244,011.24
Shares Owned After: 40,196 | Ownership: D (Direct)
Footnotes:
[F1] The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 8, 2025.
--- Footnotes (Complete Index) ---
F1: The transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 8, 2025.
--- Signature ---
/s/ /s/ Keely Stewart, under Power of Attorney dated April 17, 2023, from Pamela M. Arway (2026-05-13)