IRON MOUNTAIN INC — Director's Dealing 2019

Feb 20, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2019-02-15

Reporting Person: BAILEY CLARK H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-15	Common Stock, par value $.01 per share	M	9108	$23.0328	Acquired	160702	Direct
2019-02-15	Common Stock, par value $.01 per share	S	9108	$35.155	Disposed	151594	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-02-15	Employee Stock Option (Right to Buy)	$23.0328	M	9108	Acquired		Common Stock (9108.0)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value $.01 per share	12409	Indirect
Common Stock, par value $.01 per share	12409	Indirect

Footnotes

F1: Shares held by the Clarke H. Bailey GST Trust for the benefit of Trent S. Bailey.

F2: Shares held by the Clarke H. Bailey GST Trust for the benefit of Turner H. Bailey.

F3: This stock option, representing a right to purchase a total of 9,108 shares, is fully vested. The number of stock options granted includes previously reported adjustments effective on September 26, 2014 made in connection with the special distribution declared by the Board of Directors of the Issuer on September 15, 2014 and paid on November 4, 2014.