IRON MOUNTAIN INC — Director's Dealing 2012

Jun 18, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2012-06-14

Reporting Person: HALVORSEN KRIS (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-06-15	Common Stock, par value, $.01 per share	M	12611	$23.745	Acquired	15720	Direct
2012-06-15	Common Stock, par value, $.01 per share	M	5142	$28.365	Acquired	20862	Direct
2012-06-15	Common Stock, par value, $.01 per share	F	13561	$32.928	Disposed	7301	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-06-14	Phantom Stock	$0.01	A	3813	Acquired		Common Stock (3813)	Direct
2012-06-15	Stock Option (Right to Buy)	$23.745	M	12611	Disposed	2020-06-04	Common Stock (12611)	Direct
2012-06-15	Stock Option (Right to Buy)	$28.365	M	5142	Disposed	2019-09-11	Common Stock (5142)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.902 to $32.972, 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 (1).

F2: Pursuant to Mr. Halvorsen's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan with respect to certain restricted stock units received on June 14, 2012, which restricted stock units shall 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), the shares of phantom stock become payable in Iron Mountain Incorporated common stock as of September 28, 2016 or if earlier following Mr. Halvorsen's disability or cessation of service as a director. Each share of phantom stock is the economic equivalent of one share of common stock.

F3: This option is fully vested.