IRON MOUNTAIN INC — Director's Dealing 2021

Dec 20, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2021-12-16

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-16	Common Stock, par value $.01 per share	M	23716	$35.72	Acquired	64369	Direct
2021-12-16	Common Stock, par value $.01 per share	S	23716	$50.72	Disposed	40653	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-16	Employee Stock Option (Right to Buy)	$35.72	M	23716	Disposed	2029-02-20	Common Stock (23716.0)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of March 10, 2021.

F2: Includes 196 shares acquired under the Iron Mountain Incorporated Employee Stock Purchase Plan since the last Section 16 filing by the Reporting Person.

F3: This stock option, representing a right to purchase a total of 35,575 shares, became exercisable in three substantially equal annual installments beginning on the first anniversary of the grant date.