IRON MOUNTAIN INC — Director's Dealing 2020

Feb 24, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2020-02-20

Reporting Person: Meaney William L (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-02-20	Common Stock, par value $.01 per share	M	23096	—	Acquired	204956	Direct
2020-02-20	Common Stock, par value $.01 per share	F	10229	$34.33	Disposed	194727	Direct
2020-02-21	Common Stock, par value $.01 per share	S	6434	$34.34	Disposed	188293	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-02-20	Restricted Stock Units	$	M	23096	Disposed		Common Stock (23096.0)	Direct

Footnotes

F1: This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 20, 2019.

F2: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of June 7, 2019.

F3: 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 $34.13 to $34.47, 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 (3).

F4: Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated Common Stock.

F5: The RSUs, representing a contingent right to receive a total of 69,288 shares of Common Stock, were granted to the Reporting Person on February 20, 2019 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.