FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * RYAN VINCENT J 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) (Last) (First) (Middle) 745 ATLANTIC AVENUE 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2005 (Street) BOSTON, MA 02111 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) 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 at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Common Stock, par value, $.01 per share 11/30/2005   G 750 D $ 0 4,692,859 I Shares held as part of the Vincent J. Ryan Revocable Trust, dated 12/24/87. Common Stock, par value, $.01 per share             0 (1) I Shares held by Mr. Ryan's wife Common Stock, par value, $.01 per share             241,787 (2) I Shares held in the Carla E. Meyer Three-Year Annuity Trust, dated August 4, 2003 ("Meyer 2003 Trust" Common Stock, par value, $.01 per share             208,213 (2) I Shares held by the Carla E. Meyer Revocable Trust, dated December 7, 2001 ("Meyer 2001 Trust") Common Stock, par value, $.01 per share             6,156,171 (3) I Shares held by Schooner Capital Trust ("Schooner Trust") Common Stock, par value, $.01 per share             114,799 (4) I Shares held by the Schooner Foundation Common Stock, par value, $.01 per share             13,500 I Shares held in the name of Citibank, South Dakota, Trustee of the Ryan 1998 Issue Trust

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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SEC 2270 (9-02)

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 Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
RYAN VINCENT J 745 ATLANTIC AVENUE BOSTON, MA 02111	  X	Â	Â	Â

Signatures

Clare A. Dever, under Power of Attorney dated September 3, 2002 from Vincent J. Ryan.		02/10/2006
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	On December 13, 2004, Carla E. Meyer transferred 97,756 shares held in her name to The Carla M. Meyer Revocable Trust, dated December 7, 2001 ("Meyer 2001 Trust"). Carla E. Meyer no longer holds any shares of Iron Mountain Common Stock in her name, individually.
(2)	On August 3, 2005, The Carla E. Meyer Three-Year Annuity Trust, dated August 4, 2003 ("Meyer 2003 Trust") transferred 110,457 shares of Iron Mountain Common Stock to the Meyer 2001 Trust.
(3)	Pursuant to a deferred compensation arrangement relating to Mr. C. Richard Reese's former services as President to a predecessor entity to Schooner, upon the earlier to occur (i) Schooner's sale substantially all of the shares of Iron Mountain Common Stock held by Schooner and (ii) the cessation of Mr. Reese's employment with Iron Mountain Incorporated, Schooner is required to transfer 1,967,059 shares of Iron Mountain Common Stock to Mr. Reese or remit to Mr. Reese cash in the amount equal to the then current fair market value of such shares of Iron Mountain Common Stock.
(4)	The Schooner Foundation has made the following charitable gifts of shares of Iron Mountain Common Stock: 16,397 shares on 1/12/05, 709 shares on 1/28/05, 164 shares on 3/4/05, 3,305 shares on 4/19/05, 8,998 shares on 6/22/05, 683 shares on 6/28/05, 1,794 shares on 8/2/05, 1,605 shares on 11/2/05, 2,273 shares on 12/20/05 and 2,273 shares on 12/21/05.

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