IRON MOUNTAIN INC — Director's Dealing 2017

Aug 11, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2017-08-09

Reporting Person: Tomovcsik John (EVP, G. Mgr., Rec. & Inf. Mgmt)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-08-09	Common Stock, par value $.01 per share	M	13565	$22.786	Acquired	54907	Direct
2017-08-09	Common Stock, par value $.01 per share	S	13565	$38.001	Disposed	41342	Direct
2017-08-09	Common Stock, par value $.01 per share	M	15885	$22.036	Acquired	57227	Direct
2017-08-09	Common Stock, par value $.01 per share	S	15885	$38.001	Disposed	41342	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-08-09	Employee Stock Option (Right to Buy)	$22.786	M	13565	Disposed	2021-03-11	Common Stock (13565)	Direct
2017-08-09	Employee Stock Option (Right to Buy)	$22.036	M	15885	Disposed	2019-03-01	Common Stock (15885)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of April 28, 2017.

F2: Includes 766 shares acquired under the Iron Mountain Incorporated Employee Stock Purchase Plan since the last Section 16 filing by the Reporting Person.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.000 to $38.010, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (3).

F4: This stock option, representing a right to purchase a total of 13,565 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 (the "Special Distribution").

F5: This stock option, representing a right to purchase a total of 15,885 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.