IRON MOUNTAIN INC — Director's Dealing 2023

Jun 8, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2023-06-07

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-05-31	Common Stock, par value $.01 per share	J	455	$50.58	Acquired	83362	Direct
2023-06-07	Common Stock, par value $.01 per share	M	24965	$38.83	Acquired	108327	Direct
2023-06-07	Common Stock, par value $.01 per share	S	24965	$55.83	Disposed	83362	Direct
2023-06-07	Common Stock, par value $.01 per share	S	32907	$56.06	Disposed	50455	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-06-07	Employee Stock Option (Right to Buy)	$38.83	M	24965	Disposed	2025-02-19	Common Stock (24965.0)	Direct

Footnotes

F1: 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 3, 2023.

F3: The price reported is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $55.50 to $56.48, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (3).

F4: This stock option, representing a right to purchase a total of 24,965 shares, is fully vested.