Robin Matlock - 09 May 2023 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Role: Director
Signature: /s/ Keely Stewart, under Power of Attorney dated April 17, 2023 from Robin Matlock
Issuer symbol: IRM
Transactions as of: 09 May 2023
Net transactions value: +$30.47
Form type: 4
Filing time: 10 May 2023, 21:04:37 UTC
Previous filing: 03 May 2023
Next filing: 02 Jun 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IRM	Common Stock, par value $.01 per share	Award	$30.47	+3,047	+16%	$0.0100^*	21,957	09 May 2023	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Consists of shares issuable upon the settlement of restricted stock units ("RSUs") granted on May 9, 2023. The RSUs vest on the grant date.