UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 6)*
IRON MOUNTAIN INCORPORATED
(Name of Issuer)
COMMON STOCK, $.01 PAR VALUE
(Title of Class of Securities)
462846 10 6
(CUSIP Number)
DECEMBER 31, 2005
(Date of Event which Requires filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[x] Rule 13d-1(c)
[ ] Rule 13d-1(d)
* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
CUSIP No. 462846 10 6
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
THOMAS W. SMITH
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [x]
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3 SEC USE ONLY
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4 CITIZEN OR PLACE OF ORGANIZATION
UNITED STATES
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
335,648
NUMBER OF ----------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY EACH 6,637,082
REPORTING ----------------------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
897,161
----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
6,637,082
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,534,243
--------------------------------------------------------------------------------
10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
NOT APPLICABLE
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.8%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
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CUSIP No. 462846 10 6
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
SCOTT J. VASSALLUZZO
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [x]
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZEN OR PLACE OF ORGANIZATION
UNITED STATES
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
0
NUMBER OF ----------------------------------------------------------------
SHARES
BENEFICIALLY 6 SHARED VOTING POWER
OWNED BY EACH
REPORTING 6,607,082
PERSON ----------------------------------------------------------------
WITH 7 SOLE DISPOSITIVE POWER
30,000
----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
6,607,082
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
6,637,082
--------------------------------------------------------------------------------
10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
NOT APPLICABLE
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.1%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
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CUSIP No. 462846 10 6
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1 NAMES OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)
DANIEL J. ENGLANDER
--------------------------------------------------------------------------------
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ]
(b) [x]
--------------------------------------------------------------------------------
3 SEC USE ONLY
--------------------------------------------------------------------------------
4 CITIZEN OR PLACE OF ORGANIZATION
UNITED STATES
--------------------------------------------------------------------------------
5 SOLE VOTING POWER
11,550
NUMBER OF ----------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY EACH 30,000
REPORTING ----------------------------------------------------------------
PERSON 7 SOLE DISPOSITIVE POWER
WITH
12,975
----------------------------------------------------------------
8 SHARED DISPOSITIVE POWER
30,000
--------------------------------------------------------------------------------
9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
42,975
--------------------------------------------------------------------------------
10 CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
NOT APPLICABLE
--------------------------------------------------------------------------------
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
0.1%
--------------------------------------------------------------------------------
12 TYPE OF REPORTING PERSON
IN
--------------------------------------------------------------------------------
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EXPLANATORY NOTE: This Amendment No. 6 on Schedule 13G is being filed (i)
pursuant to Rule 13d-2(b) of the Securities Exchange Act of 1934, as amended, to
reflect changes in the information reported in the previous filing, and (ii) to
reflect the removal of Thomas N. Tryforos as a joint filer based on the fact
that, as of December 31, 2004, Mr. Tryforos no longer beneficially owns more
than five percent of the issuer's common stock.
ITEM 1. (A) NAME OF ISSUER:
Iron Mountain Incorporated
(B) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
745 Atlantic Avenue
Boston, Massachusetts 02111
ITEM 2. (A) NAME OF PERSON FILING:
(i) Thomas W. Smith
(ii) Scott J. Vassalluzzo
(iii) Daniel J. Englander
The filing of this Statement shall not be deemed to be an admission
that the filing persons comprise a "group" within the meaning of
Section 13(d)(3) of the Securities Exchange Act of 1934, as amended.
(B) ADDRESS OF PRINCIPAL BUSINESS OFFICE:
The following is the address of the principal business office of
each of the filing persons:
323 Railroad Avenue
Greenwich, CT 06830
(C) CITIZENSHIP:
Each of Messrs. Thomas W. Smith, Scott J. Vassalluzzo and Daniel J.
Englander is a United States citizen.
(D) TITLE OF CLASS OF SECURITIES:
Common Stock, par value $.01 per share.
(E) CUSIP NUMBER:
462846 10 6
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ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(B) OR 13D-2(B) OR
(C), CHECK WHETHER THE PERSON FILING IS A:
Not applicable.
IF THIS STATEMENT IS FILED PURSUANT TO RULE 13D-1(C), CHECK THIS BOX
[X]
ITEM 4. OWNERSHIP
(a) Thomas W. Smith - 7,534,243 shares; Scott J. Vassalluzzo -
6,637,082 shares; Daniel J. Englander - 42,975 shares
(b) Thomas W. Smith - 5.8%; Scott J. Vassalluzzo - 5.1%; Daniel J.
Englander - 0.1%
(c) Each of Thomas W. Smith, Scott J. Vassalluzzo and Daniel J.
Englander has shared power to vote or to direct the vote and to
dispose of or direct the disposition of 6,637,082, 6,607,082, and
30,000 shares, respectively. Messrs. Smith, Vassalluzzo and
Englander have the sole power to vote or direct the vote of
335,648, 0 and 11,550 shares, respectively and the sole power to
dispose of or direct the disposition of 897,161, 30,000 and 12,975
shares, respectively.
ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS
Not applicable.
ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON
Messrs. Smith, Vassalluzzo and Englander in the aggregate
beneficially own 7,365,668 shares in their capacities as investment
managers for certain managed accounts. The managed accounts have the
right to receive dividends from, and the proceeds from the sale of,
the managed accounts' shares. Voting and investment authority over
investment accounts established for the benefit of certain family
members and friends of the Reporting Persons is subject to each
beneficiary's right, if so provided, to terminate or otherwise
direct the disposition of the Managed Account.
ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY
Not applicable.
ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP
Not applicable.
ITEM 9. NOTICE OF DISSOLUTION OF GROUP
Not applicable.
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ITEM 10. CERTIFICATION
By signing below, I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing or
influencing the control of the issuer of the securities and were not
acquired and are not held in connection with or as a participant in
any transaction having that purpose or effect.
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SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Date: February 14, 2005
/s/ Thomas W. Smith
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Thomas W. Smith
/s/ Scott J. Vassalluzzo
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Scott J. Vassalluzzo
/s/ Daniel J. Englander
---------------------------------------
Daniel J. Englander
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JOINT FILING AGREEMENT
The undersigned agree that the foregoing Statement on Schedule 13G, dated
February 14, 2005, is being filed with the Securities and Exchange Commission on
behalf of each of the undersigned pursuant to Rule 13d-1(k) Dated:
February 14, 2005
/s/ Thomas W. Smith
---------------------------------------
Thomas W. Smith
/s/ Scott J. Vassalluzzo
---------------------------------------
Scott J. Vassalluzzo
/s/ Daniel J. Englander
---------------------------------------
Daniel J. Englander
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