IRON MOUNTAIN INC — Director's Dealing 2011

Mar 9, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2011-03-07

Reporting Person: EBBIGHAUSEN HAROLD E (President, North America)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-03-07	Common Stock, par value, $.01 per share	M	7249	$13.811	Acquired	11016	Direct
2011-03-07	Common Stock, par value, $.01 per share	M	7800	$18.587	Acquired	18816	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	200	$25.581	Disposed	18616	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	1216	$25.584	Disposed	17400	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	100	$25.59	Disposed	17300	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	800	$25.591	Disposed	16500	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	200	$25.601	Disposed	16300	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	8	$25.52	Disposed	16292	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	7701	$25.55	Disposed	8591	Direct
2011-03-07	Common Stock, par value, $.01 per share	S	100	$25.565	Disposed	8491	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-03-07	Employee Stock Option (Right to Buy)	$13.811	M	7249	Disposed	2012-03-20	Common Stock (7249)	Direct
2011-03-07	Employee Stock Option (Right to Buy)	$18.587	M	7800	Disposed	2015-04-26	Common Stock (7800)	Direct

Footnotes

F1: Includes 1,037 shares acquired under the Iron Mountain Incorporated Employee Stock Purchase Plan since the last Section 16 filing by the reporting person.

F2: This option is fully vested.