IRON MOUNTAIN INC — Director's Dealing 2012

Nov 5, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2012-11-01

Reporting Person: LAMACH MICHAEL W (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-11-01	Common Stock, par value $.01 per share	M	7474	$23.267	Acquired	14396	Direct
2012-11-01	Common Stock, par value $.01 per share	M	8410	$27.423	Acquired	22806	Direct
2012-11-01	Common Stock, par value $.01 per share	M	8271	$25.365	Acquired	31077	Direct
2012-11-01	Common Stock, par value $.01 per share	S	17682	$34.714	Disposed	13395	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-11-01	Stock Option (Right to Buy)	$23.267	M	7474	Disposed	2017-07-10	Common Stock (7474)	Direct
2012-11-01	Stock Option (Right to Buy)	$27.423	M	8410	Disposed	2018-06-05	Common Stock (8410)	Direct
2012-11-01	Stock Option (Right to Buy)	$25.365	M	8271	Disposed	2019-06-04	Common Stock (8271)	Direct

Footnotes

F1: Includes 3,813 shares issuable upon the settlement of restricted stock units granted on June 14, 2012, as previously reported by the reporting person. The restricted stock units vest on the one year anniversary of the grant date (or, if earlier, the annual meeting of stockholders that is closest to the one year anniversary).

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $34.651 to $34.804, inclusive. The reporting person undertakes to provide to Iron Mountain Incorporated, any security holder of Iron Mountain Incorporated, 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 option is fully vested.