IRON MOUNTAIN INC — Director's Dealing 2021

Sep 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2021-09-02

Reporting Person: Tomovcsik John (EVP, Chief Operating Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-02	Common Stock, par value $.01 per share	M	29037	$33.72	Acquired	69494	Direct
2021-09-02	Common Stock, par value $.01 per share	S	29037	$48.72	Disposed	40457	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-02	Employee Stock Option (Right to Buy)	$33.72	M	29037	Disposed	2028-02-15	Common Stock (29037.0)	Direct

Footnotes

F1: Includes 457 shares acquired under the Iron Mountain Incorporated Employee Stock Purchase Plan since the last Section 16 filing by the Reporting Person.

F2: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of March 10, 2021.

F3: This stock option, representing a right to purchase a total of 29,037 shares, is fully vested.