IRON MOUNTAIN INC — Director's Dealing 2019

Feb 22, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2019-02-20

Reporting Person: MacLean Theodore (EVP, Adjacent Businesses)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-20	Common Stock, par value $.01 per share	S	3152	$35.39	Disposed	18089	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-20	Employee Stock Option (Right to Buy)	$35.72	A	31390	Acquired	2029-02-20	Common Stock (31390.0)	Direct
2019-02-20	Restricted Stock Units	$	A	6298	Acquired		Common Stock (6298.0)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of December 21, 2018.

F2: This stock option becomes exercisable in three substantially equal annual installments beginning on the first anniversary of the grant date.

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

F4: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.