IRON MOUNTAIN INC — Director's Dealing 2011

Jan 25, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: IRON MOUNTAIN INC (IRM)
CIK: 0001020569
Period of Report: 2011-01-21

Reporting Person: RYAN VINCENT J (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-21	Common Stock, par value, $.01 per share	M	16416	$12.1837	Acquired	16416	Direct
2011-01-21	Common Stock, par value, $.01 per share	M	10195	$19.6178	Acquired	26611	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-01-21	Stock Option (Right to Buy)	$12.1837	M	16416	Disposed	2011-05-31	Common Stock (16416)	Direct
2011-01-21	Stock Option (Right to Buy)	$19.6178	M	10195	Disposed	2014-05-26	Common Stock (10195)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock, par value, $.01 per share	206436	Indirect
Common Stock, par value, $.01 per share	130180	Indirect
Common Stock, par value, $.01 per share	6199575	Indirect
Common Stock, par value, $.01 per share	9234256	Indirect

Footnotes

F1: Shares held in the 2001 Carla E. Meyer Trust.

F2: Shares held in the 2008 Carla E. Meyer Trust.

F3: Shares held in the Vincent J. Ryan Revocable Trust, dated December 24, 1987.

F4: Shares held by Schooner Capital Corporation.

F5: The option, representing a right to purchase a total of 16,416 shares, became exercisable in 12 equal quarterly installments, the last of which vested on June 1, 2004.

F6: The option, representing a right to purchase a total of 10,195 shares, became exercisable in 12 equal quarterly installments, the last of which vested on May 27, 2007.