William Meaney - Mar 9, 2023 Form 4 Insider Report for IRON MOUNTAIN INC (IRM)

Role: President and CEO, Director
Signature: /s/ Elizabeth Tammaro, under Power of Attorney dated May 26, 2016, from William Meaney
Stock symbol: IRM
Transactions as of: Mar 9, 2023
Transactions value $: -$1,017,797
Form type: 4
Date filed: 3/13/2023, 04:37 PM
Previous filing: Nov 19, 2024
Next filing: Apr 17, 2023

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	$0	+17.2K	+5.81%	$0.00	313K	Mar 9, 2023	Direct	F1
transaction	IRM	Common Stock, par value $.01 per share	Tax liability	-$357K	-6.77K	-2.16%	$52.82	306K	Mar 9, 2023	Direct
transaction	IRM	Common Stock, par value $.01 per share	Options Exercise	$0	+2.12K	+0.69%	$0.00	308K	Mar 9, 2023	Direct	F2
transaction	IRM	Common Stock, par value $.01 per share	Tax liability	-$41.3K	-782	-0.25%	$52.82	307K	Mar 9, 2023	Direct
transaction	IRM	Common Stock, par value $.01 per share	Sale	-$619K	-11.8K	-3.83%	$52.65	296K	Mar 9, 2023	Direct	F3

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	Performance Units	Award	$0	+17.2K		$0.00	17.2K	Mar 9, 2023	Common Stock	17.2K		Direct	F4, F5
transaction	IRM	Performance Units	Options Exercise	$0	-17.2K	-100%	$0.00^*	0	Mar 9, 2023	Common Stock	17.2K		Direct	F4, F6
transaction	IRM	Restricted Stock Units	Options Exercise	$0	-2.12K	-100%	$0.00^*	0	Mar 9, 2023	Common Stock	2.12K		Direct	F7, F8

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

Explanation of Responses:

Id	Content
F1	This acquisition is reported to reflect the full vesting of performance units ("PUs") previously granted to the Reporting Person on March 9, 2020. Effective February 23, 2023, the Compensation Committee of Iron Mountain Incorporated's Board of Directors (the "Compensation Committee") determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested in full on March 9, 2023.
F2	This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 9, 2020.
F3	This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of May 20, 2022.
F4	Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").
F5	The PUs were initially granted to the Reporting Person on March 9, 2020 and fully vested on March 9, 2023.
F6	The PUs were initially granted to the Reporting Person on March 9, 2020. Effective February 23, 2023, the Compensation Committee determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested in full on March 9, 2023.
F7	Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated Common Stock.
F8	The RSUs, representing a contingent right to receive a total of 6,345 shares of Common Stock, were granted to the Reporting Person on March 9, 2020 and are fully vested.