IRON MOUNTAIN INC — Director's Dealing 2017

Feb 17, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2017-02-15

Reporting Person: Meaney William L (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-15	Common Stock, par value $.01 per share	M	32776	—	Acquired	81629	Direct
2017-02-15	Common Stock, par value $.01 per share	F	15421	$37.11	Disposed	66208	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-15	Performance Units	$	M	32776	Disposed		Common Stock (32776)	Direct

Footnotes

F1: This transaction is being reported to reflect the full vesting of performance units ("PUs") previously granted to the Reporting Person on February 13, 2014. On February 15, 2017, the Compensation Committee of Iron Mountain Incorporated's Board of Directors determined the actual award of PUs under the grant after completion of the relevant performance period.

F2: Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock.

F3: The PUs fully vested on February 15, 2017.