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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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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(Print or Type Responses)

1. Name and Address of Reporting Person * EBBIGHAUSEN HAROLD E   2. Issuer Name and Ticker or Trading Symbol IRON MOUNTAIN INC [IRM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Group Pres. N.A. Operations (Last) (First) (Middle) 6 EDMUND BRIGHAM WAY 3. Date of Earliest Transaction (Month/Day/Year) 03/08/2007 (Street) WESTBOROUGH, MA 01581 4. If Amendment, Date 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 (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 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) Code V Amount (A) or (D) Price Common Stock, par value, $.01 per share 03/08/2007   M   11,163 A $ 6.2716 35,032 D   Common Stock, par value, $.01 per share 03/08/2007   M   42,172 A $ 9.9629 77,204 D   Common Stock, par value, $.01 per share 03/08/2007   M   14,501 A $ 13.8111 91,705 D   Common Stock, par value, $.01 per share 03/08/2007   M   10,759 A $ 18.5866 102,464 D   Common Stock, par value, $.01 per share 03/08/2007   S   7,300 D $ 27.15 95,164 D   Common Stock, par value, $.01 per share 03/08/2007   S   3,500 D $ 27.16 91,664 D   Common Stock, par value, $.01 per share 03/08/2007   S   1,100 D $ 27.17 90,564 D   Common Stock, par value, $.01 per share 03/08/2007   S   3,900 D $ 27.18 86,664 D   Common Stock, par value, $.01 per share 03/08/2007   S   10,516 D $ 27.19 76,148 D   Common Stock, par value, $.01 per share 03/08/2007   S   6,500 D $ 27.2 69,648 D   Common Stock, par value, $.01 per share 03/08/2007   S   7,400 D $ 27.21 62,248 D   Common Stock, par value, $.01 per share 03/08/2007   S   3,800 D $ 27.22 58,448 D   Common Stock, par value, $.01 per share 03/08/2007   S   1,400 D $ 27.23 57,048 D   Common Stock, par value, $.01 per share 03/08/2007   S   1,500 D $ 27.24 55,548 D   Common Stock, par value, $.01 per share 03/08/2007   S   400 D $ 27.25 55,148 D   Common Stock, par value, $.01 per share 03/08/2007   S   1,100 D $ 27.28 54,048 D   Common Stock, par value, $.01 per share 03/08/2007   S   900 D $ 27.29 53,148 D   Common Stock, par value, $.01 per share 03/08/2007   S   6,700 D $ 27.3 46,448 D   Common Stock, par value, $.01 per share 03/08/2007   S   800 D $ 27.31 45,648 D   Common Stock, par value, $.01 per share 03/08/2007   S   5,900 D $ 27.32 39,748 D   Common Stock, par value, $.01 per share 03/08/2007   S   600 D $ 27.33 39,148 D   Common Stock, par value, $.01 per share 03/08/2007   S   300 D $ 27.35 38,848 D   Common Stock, par value, $.01 per share 03/08/2007   S   800 D $ 27.36 38,048 D   Common Stock, par value, $.01 per share 03/08/2007   S   2,500 D $ 27.37 35,548 D   Common Stock, par value, $.01 per share 03/08/2007   S   5,600 D $ 27.38 29,948 D   Common Stock, par value, $.01 per share 03/08/2007   S   3,100 D $ 27.39 26,848 D   Common Stock, par value, $.01 per share 03/08/2007   S   2,600 D $ 27.4 24,248 D   Common Stock, par value, $.01 per share 03/08/2007   S   1,700 D $ 27.41 22,548 D   Common Stock, par value, $.01 per share 03/08/2007   S   100 D $ 27.42 22,448 D   Common Stock, par value, $.01 per share 03/08/2007   M   14,482 A $ 13.8111 36,930 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Following Reported Transaction(s) (Instr. 4)

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

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

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$ 6.2716

03/08/2007

M

11,163

(1)

07/30/2007

Common Stock

11,163

$ 0

0

D

Stock Option (right to buy)

$ 9.9629

03/08/2007

M

42,172

(2)

09/12/2009

Common Stock

42,172

$ 0

0

D

Stock Option (right to buy)

$ 13.8111

03/08/2007

M

14,501

(3)

03/20/2012

Common Stock

14,501

$ 0

8

D

Stock Option (right to buy)

$ 18.5866

03/08/2007

M

10,759

(4)

04/26/2015

Common Stock

10,759

$ 0

26,906

D

Stock Option (right to buy)

$ 13.8111

03/08/2007

M

14,482

(5)

03/20/2012

Common Stock

14,482

$ 0

7,241

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
EBBIGHAUSEN HAROLD E 6 EDMUND BRIGHAM WAY WESTBOROUGH, MA 01581			Group Pres. N.A. Operations

Signatures

/s/ Garry B. Watzke, under Power of Attorney dated August 29, 2002 from Harold E. Ebbighausen.		03/12/2007
**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)	The option vested in five installments on July 31, 1998, July 31, 1999, July 31, 2000, July 31, 2001 and July 31, 2002.
(2)	The option vested in five installments on September 13, 2000, September 13, 2001, September 13, 2002, September 13, 2003 and September 13, 2004.
(3)	The option vested in four installments on March 21, 2003, March 21, 2004, March 21, 2005 and March 21, 2006. The balance of the option, consisting of 8 shares, will vest on March 21, 2007.
(4)	The option vested in one installment on April 27, 2006. The balance of the option, consisting of 26,906 shares, will vest in four installments on April 27, 2007, April 27, 2008, April 27, 2009 and April 27, 2010.
(5)	The option vested in four installments on March 21, 2003, March 21, 2004, March 21, 2005 and March 21, 2006. The balance of the option, consisting of 14,482 shares, will vest on March 21, 2007.

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