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: Meaney William L (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-02-20	Common Stock, par value $.01 per share	S	26712	$35.35	Disposed	147992	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	345295	Acquired	2029-02-20	Common Stock (345295.0)	Direct
2019-02-20	Restricted Stock Units	$	A	69288	Acquired		Common Stock (69288.0)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of May 3, 2018.

F2: The price reported in Column 4 is a weighted average price. These shares of Iron Mountain Incorporated common stock ("Common Stock") were sold in multiple transactions at prices ranging from $35.25 to $35.42, inclusive. The Reporting Person undertakes to provide Iron Mountain Incorporated (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock sold at each separate price within the ranges set forth in this footnote (2).

F3: This stock option becomes exercisable in three substantially equal annual installments beginning on the first anniversary of the grant date.

F4: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Common Stock.

F5: The RSUs vest in three substantially equal annual installments beginning on the first anniversary of the grant date.