IRON MOUNTAIN INC — Director's Dealing 2017

Oct 13, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2017-10-11

Reporting Person: Keddy Patrick J (Exec.VP,GM,N.America,W.Europe)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-10-11	Common Stock, par value $.01 per share	M	7011	$24.804	Acquired	19599	Direct
2017-10-11	Common Stock, par value $.01 per share	S	7011	$39.142	Disposed	12588	Direct
2017-10-11	Common Stock, par value $.01 per share	M	16417	$29.270	Acquired	29005	Direct
2017-10-11	Common Stock, par value $.01 per share	S	16417	$39.000	Disposed	12588	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-11	Employee Stock Option (Right to Buy)	$24.804	M	7011	Disposed	2024-02-13	Common Stock (7011)	Direct
2017-10-11	Employee Stock Option (Right to Buy)	$29.270	M	16417	Disposed	2026-02-18	Common Stock (16417)	Direct

Footnotes

F1: This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of September 8, 2017.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.000 to $39.215, inclusive. The Reporting Person undertakes to provide to 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 sold at each separate price within the ranges set forth in this footnote (2).

F3: This stock option, representing a right to purchase a total of 7,011 shares, is fully vested.

F4: This stock option, representing a right to purchase a total of 49,301 shares, has vested with respect to 16,417 shares. The remaining shares become exercisable in two substantially equal annual installments beginning on February 18, 2018.