IRON MOUNTAIN INC — Director's Dealing 2018

Feb 22, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2018-02-20

Reporting Person: Borges Daniel (VP & Chief Accounting Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-02-20	Common Stock, par value $.01 per share	M	559	—	Acquired	2603	Direct
2018-02-20	Common Stock, par value $.01 per share	F	194	$32.12	Disposed	2409	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-02-20	Restricted Stock Units	$	M	559	Disposed		Common Stock (559.0)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 19, 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 1,673 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and have fully vested.