IRON MOUNTAIN INC — Director's Dealing 2020

Feb 18, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2020-02-14

Reporting Person: BAILEY CLARK H (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-02-14	Common Stock	M	15555	$19.251	Acquired	167149	Direct
2020-02-14	Common Stock	S	15555	$32.767	Disposed	151594	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-02-14	Employee Stock Option (Right to Buy)	$19.251	M	15555	Disposed		Common Stock (15555.0)	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: 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 $32.76 to $32.78, 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 (1).

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

F3: Shares held by the Clarke H. Bailey GST Trust for the benefit of Turner H. Bailey.

F4: This stock option, representing a right to purchase a total of 15,555 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.