IRON MOUNTAIN INC — Director's Dealing 2023

May 24, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2023-05-22

Reporting Person: Meaney William L (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-22	Common Stock, par value $.01 per share	M	10507	$31.005	Acquired	306157	Direct
2023-05-22	Common Stock, par value $.01 per share	S	10507	$55.38	Disposed	295650	Direct
2023-05-23	Common Stock, par value $.01 per share	M	10507	$31.005	Acquired	306157	Direct
2023-05-22	Common Stock, par value $.01 per share	S	10507	$54.74	Disposed	295650	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-05-22	Employee Stock Option (Right to Buy)	$31.005	M	10507	Disposed	2024-02-13	Common Stock (10507.0)	Direct
2023-05-23	Employee Stock Option (Right to Buy)	$31.005	M	10507	Disposed	2024-02-13	Common Stock (10507.0)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of May 20, 2022.

F2: This stock option, representing a right to purchase a total of 273,184 shares, is fully vested.