Derivative exercise or conversion — not an open-market buy.
Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell
View the official recordSEC Form 4 — Statement of Changes in Beneficial OwnershipAll the details
Dates, kept separate
Transaction date
Mar 1, 2026
Reporting period
Not applicable
Filed with the SEC
Mar 4, 2026
CFOOption exercise
Context
Classification
option exercise
Code M — exercise or conversion of a derivative security
Planned / mechanical clue
Footnote references vesting of compensation awards
Only flagged when a footnote says so; never inferred
Source receipt
Record ID
0001613777-26-000005
Filed / recorded
Mar 4, 2026, 4:48 AM UTC
Added to OQRO
Oct 2, 2026, 12:28 PM UTC
Parser
form4-xml-v1
Data quality
Verified: identifiers matched exactly
Issuer
IRON MOUNTAIN INC
Issuer CIK
1020569
Ticker
IRM
Reporting person
Barry Hytinen
Relationship
Officer
Officer title
EVP and CFO
Security
Common Stock, par value $.01 per share
Table
Non-derivative (Table I)
Transaction date
Mar 1, 2026
Transaction code
M
Shares / units
232,977
Price per share
$0.00
Acquired / disposed
Acquired (A)
Shares owned after
431,495
Ownership form
Direct
Amendment
No
Footnotes from the filing
This acquisition is reported to reflect the full vesting of performance units ("PUs") previously granted to the Reporting Person on March 1, 2023. Effective February 16, 2026, the Compensation Committee of Iron Mountain Incorporated's Board of Directors determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs fully vested on March 1, 2026.