John Tomovcsik - Dec 27, 2021 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Role: EVP, Chief Operating Officer
Signature: /s/ Elizabeth Tammaro, under Power of Attorney dated May 26, 2016, from John Tomovcsik
Stock symbol: IRM
Transactions as of: Dec 27, 2021
Transactions value $: -$1,661,737
Form type: 4
Date filed: 12/29/2021, 03:14 PM
Previous filing: Dec 20, 2021
Next filing: Feb 24, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	IRM	Common Stock, par value $.01 per share	Options Exercise	$1.18M	+31.9K	+78.52%	$37.00	72.6K	Dec 27, 2021	Direct	F1
transaction	IRM	Common Stock, par value $.01 per share	Sale	-$604K	-11.6K	-16.01%	$52.00	61K	Dec 27, 2021	Direct	F1
transaction	IRM	Common Stock, par value $.01 per share	Sale	-$1.06M	-20.3K	-33.31%	$52.10	40.7K	Dec 27, 2021	Direct	F1

Showing 1 to 3 of 3 entries

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
transaction	IRM	Employee Stock Option (Right to Buy)	Options Exercise	-$1.18M	-31.9K	-100%	$37.00	0	Dec 27, 2021	Common Stock	31.9K	$37.00	Direct	F2

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

Explanation of Responses:

Id	Content
F1	This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of March 10, 2021.
F2	This stock option, representing a right to purchase a total of 31,919 shares, is fully vested.