IRON MOUNTAIN INC — Director's Dealing 2019

Oct 21, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2019-10-17

Reporting Person: McIntosh Greg W (EVP, Strategic Accounts)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-10-17	Common Stock, par value $.01 per share	M	830	—	Acquired	1251	Direct
2019-10-17	Common Stock, par value $.01 per share	F	448	$32.77	Disposed	803	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-10-17	Restricted Stock Units	$	M	830	Disposed		Common Stock (830.0)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on October 17, 2017.

F2: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Iron Mountain Incorporated common stock.

F3: The RSUs, representing a contingent right to receive a total of 2,493 shares of Common Stock, were granted to the Reporting Person on October 17, 2017 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.