imis_8k.htm
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
WASHINGTON,
D.C. 20549
FORM
8-K
CURRENT
REPORT
Pursuant
to Section 13 or 15(d) of
The
Securities Exchange Act of 1934
Date
of Report (Date of earliest event reported): January 5, 2009
IRON
MOUNTAIN INCORPORATED
(Exact
name of registrant as specified in its charter)
DELAWARE
(State
or other jurisdiction of incorporation)
|
1-13045
|
23-2588479
|
|
(Commission
File Number)
|
(IRS
Employer Identification No.)
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745
Atlantic Avenue
Boston,
Massachusetts 02111
(Address
of principal executive offices, including zip code)
(617)
535-4766
(Registrant's
telephone number, including area code)
Check
the appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions:
o Written communications pursuant to
Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to
Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
o Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-
4(c))
Item
8.01. Other Events.
On December 29,
2008, Standard & Poor’s Index Services announced that Iron Mountain
Incorporated (the “Company”) will be added to their US S&P 500 Index (the
“S&P 500”). The Company will be added to the S&P 500
GICS (Global Industry Classification Standard) Industrials Economic Sector and
the Diversified Support Services Sub-Industry Index.
The Company was formally included in the
S&P 500 after the market closed on January 5, 2009.
SIGNATURES
Pursuant to the requirements of
the Securities Exchange Act of 1934, the Registrant has duly caused this report
to be signed on its behalf by the undersigned hereunto duly
authorized.
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IRON
MOUNTAIN INCORPORATED
(Registrant)
By: /s/ Ernest W.
Cloutier
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|
|
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Name: Ernest
W. Cloutier
Title: SVP
and General Counsel
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Date: January 5,
2009