IRON MOUNTAIN INC — Director's Dealing 2014

Sep 10, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2014-09-08

Reporting Person: Tomovcsik John (EVP, G. Mgr., Rec. & Inf. Mgmt)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-09-08	Common Stock, par value $.01 per share	A	3374	—	Acquired	16766	Direct
2014-09-08	Common Stock, par value $.01 per share	F	1028	$36.53	Disposed	15738	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-09-08	Restricted Stock Units	$	D	3374	Disposed		Common Stock (3374)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on September 8, 2011.

F2: Includes 688 shares acquired under the Iron Mountain Incorporated Employee Stock Purchase Plan since the last Section 16 filing by the Reporting Person.

F3: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

F4: The RSUs, representing a contingent right to receive a total of 13,500 shares of Common Stock, were granted to the Reporting Person on September 8, 2011 and vest in four substantially equal annual installments beginning on the first anniversary of the grant date.