IRON MOUNTAIN INC — Director's Dealing 2018

Jul 20, 2018

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2018-07-10

Reporting Person: Jeffries Emma (EVP, Chief People Officer)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.01 per share	3796	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Units	$		Common Stock (655)		Direct
Restricted Stock Units	$		Common Stock (1104)		Direct
Restricted Stock Units	$		Common Stock (1353)		Direct
Restricted Stock Units	$		Common Stock (2372)		Direct
Employee Stock Option (Right to Buy)	$37.00	2027-02-16	Common Stock (6839)		Direct
Employee Stock Option (Right to Buy)	$33.72	2028-02-15	Common Stock (4424)		Direct

Footnotes

F1: The restricted stock units ("RSUs"), representing a contingent right to receive a total of 1,959 shares of Iron Mountain Incorporated common stock ("Common Stock"), were granted to the Reporting Person on October 28, 2015. As of July 10, 2018, 1,304 of the granted RSUs have vested, and the balance of the RSUs vest on October 28, 2018.

F2: Each RSU represents a contingent right to receive one share of Common Stock.

F3: The RSUs, representing a contingent right to receive a total of 3,305 shares of Common Stock, were granted to the Reporting Person on March 9, 2016. As of July 10, 2018, 2,201 of the granted RSUs have vested, and the balance of the RSUs vest on March 9, 2019.

F4: The RSUs, representing a contingent right to receive a total of 2,027 shares of Common Stock, were granted to the Reporting Person on February 16, 2017. As of July 10, 2018, 674 of the RSUs have vested, and the balance of the RSUs vest in two substantially equal annual installments beginning on the second anniversary of the grant date.

F5: The RSUs, representing a contingent right to receive a total of 2,372 shares of Common Stock, were granted to the Reporting Person on February 15, 2018. As of July 10, 2018, none of the RSUs have vested, and the RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

F6: This stock option was granted on February 16, 2017. As of July 10, 2018, this stock option has vested with respect to 2,277 shares. The remaining shares vest in two substantially equal annual installments beginning on the second anniversary of the grant date.

F7: This stock option was granted on February 15, 2018. As of July 10, 2018, this stock option will vest in three substantially equal annual installments beginning on the first anniversary of the grant date.