Jemma Johns - 25 Feb 2025 Form 3 Insider Report for IRON MOUNTAIN INC (IRM)

Role: EVP, CHRO
Signature: /s/ Christine Zhang, under Power of Attorney dated January 14, 2025, from Jemma Johns
Issuer symbol: IRM
Transactions as of: 25 Feb 2025
Net transactions value: $0
Form type: 3
Filing time: 28 Feb 2025, 17:19:33 UTC
Next filing: 06 Jan 2026
SEC: View on sec.gov

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	IRM	Restricted Stock Units							25 Feb 2025	Common Stock	5,728		Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The restricted stock units ("RSUs"), representing a contingent right to receive a total of 5,728 shares of Common Stock, were granted to the Reporting Person on January 2, 2025 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.
F2	Each RSU represents a contingent right to receive one share of Common Stock.