0000950123-01-507104.txt : 20011018
0000950123-01-507104.hdr.sgml : 20011018
ACCESSION NUMBER: 0000950123-01-507104
CONFORMED SUBMISSION TYPE: SC 13G
PUBLIC DOCUMENT COUNT: 1
FILED AS OF DATE: 20011010
SUBJECT COMPANY:
COMPANY DATA:
COMPANY CONFORMED NAME: IRON MOUNTAIN INC/PA
CENTRAL INDEX KEY: 0001020569
STANDARD INDUSTRIAL CLASSIFICATION: PUBLIC WAREHOUSING & STORAGE [4220]
IRS NUMBER: 232588479
STATE OF INCORPORATION: PA
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G
SEC ACT: 1934 Act
SEC FILE NUMBER: 005-52359
FILM NUMBER: 1756062
BUSINESS ADDRESS:
STREET 1: 745 ATLANTIC AVENUE
CITY: BOSTON
STATE: MA
ZIP: 02111-
BUSINESS PHONE: 6175354766
MAIL ADDRESS:
STREET 1: 745 ATLANTIC AVENUE
CITY: BOSTON
STATE: MA
ZIP: 02111-
FORMER COMPANY:
FORMER CONFORMED NAME: PIERCE LEAHY CORP
DATE OF NAME CHANGE: 19960807
FILED BY:
COMPANY DATA:
COMPANY CONFORMED NAME: CHIEFTAIN CAPITAL MANAGEMENT INC
CENTRAL INDEX KEY: 0000789920
STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000]
IRS NUMBER: 133194313
STATE OF INCORPORATION: NY
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: SC 13G
BUSINESS ADDRESS:
STREET 1: 12 EAST 49TH ST
CITY: NEW YORK
STATE: NY
ZIP: 10017
BUSINESS PHONE: 2124219760
MAIL ADDRESS:
STREET 1: 12 EAST 49TH STREET
CITY: NEW YORK
STATE: NY
ZIP: 10017
SC 13G
1
y53870sc13g.txt
SCHEDULE 13G
1
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. _____)*
IRON MOUNTAIN, INC.
-------------------------------------------------------------------------------
(Name of Issuer)
COMMON STOCK
-------------------------------------------------------------------------------
(Title of Class of Securities)
462846 10 6
-------------------------------------------------------------------------------
(CUSIP Number)
SEPTEMBER 24, 2001
-------------------------------------------------------------------------------
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ X ] Rule 13d-1(b)
[ ] 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 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).
Page 1 of 5
2
CUSIP No. 462846 10 6
-------------------------
---------------------------------------------------------------------------------------------------
1. Names of Reporting Persons.
I.R.S. Nos. of above persons (entities only).
CHIEFTAIN CAPITAL MANAGEMENT, INC. 13-3194313
---------------------------------------------------------------------------------------------------
2. Check the Appropriate Box if a Member of a Group
(See Instructions)
a. Not Applicable
b. Not Applicable
---------------------------------------------------------------------------------------------------
3. SEC Use Only
---------------------------------------------------------------------------------------------------
4. Citizenship or Place of Organization NEW YORK
-----------------------
---------------------------------------------------------------------------------------------------
Number of 5. Sole Voting Power -0-
Shares Bene- ---------------------------
ficially Owned
6. Shared Voting Power 6,997,430
---------------------------
By Each
Reporting 7. Sole Dispositive Power -0-
Person With: ---------------------------
8. Shared Dispositive Power 6,997,430
---------------------------
---------------------------------------------------------------------------------------------------
9. Aggregate Amount Beneficially Owned by Each Reporting Person 6,997,430
-------------------------
---------------------------------------------------------------------------------------------------
10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions)
NOT APPLICABLE
------------------------------------
---------------------------------------------------------------------------------------------------
11. Percent of Class Represented by Amount in Row (9) 12.5%
-----------------------------------
---------------------------------------------------------------------------------------------------
12. Type of Reporting Persons (See Instructions)
IA, CO
---------------------------------------------------------------------------------------------------
Page 2 of 5
3
ITEM 1.
------
(a) Name of Issuer: Iron Mountain, Inc.
(b) Address of Issuer's Principal Executive Offices:
745 Atlantic Avenue
Boston, Massachusetts 02111
ITEM 2.
------
(a) Name of Person Filing: Chieftain Capital Management, Inc.
(b) Address of Principal Business Office or, if none, Residence:
12 East 49th Street
New York, New York 10017
(c) Citizenship: New York
(d) Title of Class of Securities: Common Stock
(e) CUSIP Number: 462846 10 6
ITEM 3.
------
(a) [ ] Broker or dealer registered under Section 15 of the Act
(15 U.S.C. 78o).
(b) [ ] Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c).
(c) [ ] Insurance company as defined in section 3(a)(19) of the
Act (15 U.S.C. 78c).
(d) [ ] Investment company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) [X] An investment advisor in accordance withss.240.
13d-1(b)(1)(ii)(E);
(f) [ ] An employee benefit plan or endowment fund in accordance
withss.240.13d-1(b)(1)(ii)(F);
(g) [ ] A parent holding company or control person in accordance
withss.240.13d-1(b)(ii)(G);
Page 3 of 5
4
(h) [ ] A savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);
(i) [ ] A church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the
Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j) [ ] Group, in accordance withss.240.13d-1(b)(1)(ii)(J).
ITEM 4. Ownership
------
(a) Amount beneficially owned:6,997,430
(b) Percent of class:12.5%
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote: -0-
(ii) Shared power to vote or to direct the vote: 6,997,430
(iii) Sole power to dispose or to direct the disposition of:
-0-
(iv) Shared power to dispose or to direct the disposition
of: 6,997,430
ITEM 5. Ownership of Five Percent or Less of a Class
------
If this statement is being filed to report the fact that as of
the date hereof the reporting person has ceased to be the
beneficial owner of more that five percent of the class of
securities, check the following [ ].
ITEM 6. Ownership of More than Five Percent on Behalf of Another Person
------
Chieftain Capital Management, Inc. ("Chieftain") has
investment discretion with respect to the securities to which
this statement relates. Chieftain's clients and principals are
the direct owners of such securities, and Chieftain does not
have any economic interest in such securities. Such clients
and principals have the sole right to receive dividends from,
and the proceeds from the sale of, such securities. No such
client or principal has an interest that relates to more than
5% of the class.
Page 4 of 5
5
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
ITEM 10. Certification
-------
By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and are held in the
ordinary course of business and 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 purposes or effect.
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.
OCTOBER 10, 2001
-------------------------------------
Date
/s/ THOMAS D. STERN
-------------------------------------
Signature
THOMAS D. STERN/ DIRECTOR
-------------------------------------
Name/Title
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