CUSIP
No. 462846 10 6
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Page
2 of 7 pages
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1)
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NAMES
OF REPORTING PERSONS
I.R.S.
IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES
ONLY)
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2)
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CHECK
THE APPROPRIATE BOX IF A MEMBER OF A
GROUP
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3)
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SEC
USE ONLY
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4)
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CITIZENSHIP
OR PLACE OF ORGANIZATION
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NUMBER
OF SHARES
BENEFICIALLY
OWNED
BY EACH
REPORTING
PERSON
WITH:
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5)
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SOLE
VOTING POWER
13,377,349
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6)
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SHARED
VOTING POWER
613,627
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7)
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SOLE
DISPOSITIVE POWER
16,327,939
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8)
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SHARED
DISPOSITIVE POWER
613,627
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CUSIP
No. 462846 10 6
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Page
3 of 7 pages
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9)
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AGGREGATE
AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON:
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10)
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CHECK
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES
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(See
Instructions)
[_]
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11)
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PERCENT
OF CLASS REPRESENTED BY AMOUNT IN ROW
(9)
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12)
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Type
of Reporting Person (See
Instructions):
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CUSIP
No. 462846 10 6
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Page
4 of 7 pages
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Item
1(a)
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Name
of Issuer:
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Iron
Mountain Incorporated
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Item
1(b)
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Address
of Issuer’s Principal Executive
Offices:
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745
Atlantic Avenue, Boston,
Massachusetts 02111
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Item
2(a)
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Name
of Person Filing:
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Vincent
J. Ryan
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Item
2(b)
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Address
of Principal Business Office or, if none,
Residence:
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Vincent
J. Ryan, c/o Schooner Capital LLC, 745 Atlantic
Avenue,
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Boston,
MA 02111
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Item
2(c)
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Citizenship:
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U.S.A.
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Item
2(d)
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Title
of Class of Securities:
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Common
Stock, $0.01 par value
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Item
2(e)
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CUSIP
Number:
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462846
10 6
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Item
3
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If
this Statement is being filed pursuant to Sections 240.13d-1(b), or
240.13d-2(b) or (c), check whether the filing person is
a:
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(a) |
□ Broker
or dealer registered under Section 15 of the Act
(15
U.S.C. 78o);
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(b)
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□ Bank
as defined in Section 3(a)(6) of the Act (15 U.S.C.
78c);
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(c)
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□ Insurance
company as defined in Section 3(a)(19) of the
Act
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(15 U.S.C. 78c);
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CUSIP
No. 462846 10 6
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Page
5 of 7 pages
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(d)
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□ Bank
as defined in Section 3(a)(6) of the Act (15 U.S.C.
78c);
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(e)
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□ Insurance
company as defined in Section 3(a)(19) of the
Act
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(15 U.S.C. 78c);
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(f)
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□ Investment
company registered under Section 8 of the
Investment
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(g)
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□ An
investment adviser in accordance with Section
240.13d-1(b)(1)(ii)(E);
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(h)
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□ An
employee benefit plan or endowment fund in accordance with
Section
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(i)
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□ A
parent holding company or control person in accordance with
Section
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(j)
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□
A savings association as defined in Section 3(b) of the
Federal
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(k)
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□ 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);
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(l)
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□ Group, in accordance with Section
240.13d-1(b)(1)(ii)(J).
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Item
4.
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Ownership
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(a)
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Amount
beneficially owned:
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16,941,566
shares2
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(b)
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Percent
of class:
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8.4%
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(c)
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Number
of shares as to which such person
has:
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(i)
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Sole
power to vote or direct the vote:
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13,377,349
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(ii)
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Shared
power to vote or direct the vote:
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613,627
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(iii)
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Sole
power to dispose or to direct the disposition
of:
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16,327,939
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(iv)
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Shared
power to dispose or to direct the disposition
of:
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613,627
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CUSIP
No. 462846 10 6
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Page
6 of 7 pages
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Item
5.
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Ownership
of Five Percent or Less of a Class.
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Item
6.
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Ownership
of More than Five Percent on Behalf of Another
Person.
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Item
7.
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Identification
and Classification of the Subsidiary which Acquired the Security Being
Reported on by the Parent Holding
Company.
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Item
8.
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Identification
and Classification of Members of the
Group.
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Item
9.
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Notice
of Dissolution of Group.
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Item
10.
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Certification.
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(a)
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Not
applicable.
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(b)
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Not
applicable.
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(c)
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Not
applicable.
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CUSIP
No. 462846 10 6
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7 of 7 pages
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