SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

RYAN VINCENT J

(Last)

(First)

(Middle)

745 ATLANTIC AVENUE

(Street)

BOSTON

02111

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
IRON MOUNTAIN INC [ IRM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
05/24/2007

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock, par value, $.01 per share								7,061,015	I	Shares held as part of the Vincent J. Ryan Revocable Trust, dtd 12/24/87
Common Stock, par value, $.01 per share								25,356	I	Shares held in the Carla E. Meyer Three-Year Annuity Trust, dtd August 4, 2003 (Meyer 2003 Trust)
Common Stock, par value, $.01 per share								38,371⁽¹⁾	I	Shares held by a member of Mr. Ryan's household
Common Stock, par value, $.01 per share								484,830	I	Shares held in the Carla E. Meyer Three-Year Retained Annuity Trust dtd 9/13/06 (Meyer 2006 Trust)
Common Stock, par value, $.01 per share								9,234,256	I	Shares held by Schooner Capital Trust (Schooner Trust)
Common Stock, par value, $.01 per share								92,739⁽²⁾	I	Shares held by the Schooner Foundation
Common Stock, par value, $.01 per share								20,250	I	Shared held in the name of Citibank, South Dakota, Trustee of the Ryan 1998 Issue Trust

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Option (Right to Buy)	$27.665	05/24/2007		A		7,134		05/24/2008⁽³⁾	05/24/2017	Common Stock	7,134	$0	7,134	D

Explanation of Responses:

1. These shares are held by Mr. Ryan's son, Nicholas. Mr. Ryan disclaims beneficial ownership to these shares.

2. This reflects a gift of 599 shares on January 3, 2007 and a gift of 299 shares on Janaury 5, 2007.

3. These shares will vest 100% on the first anniversary date.

Remarks:

	Clare A. Dever, under Power of Attorney dated September 3, 2002 from Vincent J. Ryan.	05/29/2007
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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