IRON MOUNTAIN INC — Director's Dealing 2015

Apr 13, 2015

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2015-04-02

Reporting Person: Sweeney Eileen (Sr VP and GM, Data Management)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock (21088)		Direct
Restricted Stock Units	$		Common Stock (6326)		Direct
Restricted Stock Units	$		Common Stock (5794)		Direct
Employee Stock Option (Right to Buy)	$35.565	2024-10-28	Common Stock (13475)		Direct
Employee Stock Option (Right to Buy)	$38.83	2025-02-19	Common Stock (16049)		Direct

Footnotes

F1: The restricted stock units ("RSUs") were granted to the Reporting Person on October 28, 2014 and vest in four substantially equal annual installments beginning on the first anniversary of the grant date.

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

F3: The RSUs were granted to the Reporting Person on October 28, 2014 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4: The RSUs were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F5: This option vests in three substantially equal installments on October 28, 2015, October 28, 2016 and October 28, 2017.

F6: This option vests in three substantially equal installments on February 19, 2016, February 19, 2017 and February 19, 2018.