IRON MOUNTAIN INC — Director's Dealing 2018

Jul 25, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2018-07-23

Reporting Person: Evens Deirdre (EVP & GM, Rec and Info Mgmt NA)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-07-23	Common Stock, par value $.01 per share	M	1917	—	Acquired	23543	Direct
2018-07-23	Common Stock, par value $.01 per share	F	564	$34.81	Disposed	22979	Direct
2018-07-23	Common Stock, par value $.01 per share	M	7988	—	Acquired	30967	Direct
2018-07-23	Common Stock, par value $.01 per share	F	2710	$34.81	Disposed	28257	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-07-23	Restricted Stock Units	$	M	1917	Disposed		Common Stock (1917.0)	Direct
2018-07-23	Restricted Stock Units	$	M	7988	Disposed		Common Stock (7988.0)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on July 21, 2015.

F2: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F3: The RSUs, representing a contingent right to receive a total of 5,739 shares of Common Stock, were granted to the Reporting Person on July 21, 2015 and have fully vested.

F4: The RSUs, representing a contingent right to receive a total of 23,915 shares of Common Stock, were granted to the Reporting Person on July 21, 2015 and have fully vested.