IRON MOUNTAIN INC — Director's Dealing 2018

Mar 15, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2018-03-13

Reporting Person: RUSSO FIDELMA (EVP, Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-13	Common Stock, par value $.01 per share	M	10866	—	Acquired	10866	Direct
2018-03-13	Common Stock, par value $.01 per share	F	3238	$33.22	Disposed	7628	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-03-13	Restricted Stock Units	$	M	10866	Disposed		Common Stock (10866.0)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on March 13, 2017.

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 32,636 shares of Common Stock, were granted to the Reporting Person on March 13, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.