o
|
Rule
13d-1(b)
|
|
o
|
Rule
13d-1(c)
|
|
x
|
Rule
13d-1(d)
|
CUSIP No.
462846 10 6
|
Page 2 of 7
pages
|
|
1) NAMES
OF REPORTING PERSONS
|
|
2) CHECK
THE APPROPRIATE BOX IF A MEMBER OF A
GROUP
|
|
3) SEC
USE ONLY
|
|
4) CITIZENSHIP
OR PLACE OF ORGANIZATION
|
NUMBER OF
SHARES
|
5)
|
SOLE VOTING
POWER
|
BENEFICIALLY
|
12,532,418
|
|
OWNED BY
EACH
|
||
REPORTING
PERSON
|
||
WITH:
|
6)
|
SHARED
VOTING POWER
|
378,349
|
||
7)
|
SOLE
DISPOSITIVE POWER
|
|
15,483,008
|
||
8)
|
SHARED
DISPOSITIVE POWER
|
|
378,349
|
||
CUSIP No.
462846 10 6
|
Page 3 of 7
pages
|
CUSIP No.
462846 10 6
|
Page 4 of 7
pages
|
Item
1(a)
|
Name of
Issuer:
|
Iron
Mountain Incorporated
|
Item
1(b)
|
Address of
Issuer’s Principal Executive Offices:
|
745
Atlantic Avenue, Boston, Massachusetts 02111
|
|
Item
2(a)
|
Name of
Person Filing:
|
Vincent
J. Ryan
|
|
Item
2(b)
|
Address of
Principal Business Office or, if none, Residence:
|
Vincent
J. Ryan, c/o Schooner Capital LLC, 745 Atlantic Avenue,
|
|
Boston, MA 02111
|
|
Item
2(c)
|
Citizenship:
|
U.S.A.
|
|
Item
2(d)
|
Title of
Class of Securities:
|
Common
Stock, $0.01 par value
|
|
Item
2(e)
|
CUSIP
Number:
|
462846
10 6
|
Item
3
|
If this
Statement is being filed pursuant to §§ 240.13d-1(b), or 240.13d-2(b) or
(c), check whether the filing person is a:
|
Not
applicable.
|
(a)
|
o |
Broker or
dealer registered under Section 15 of the Act (15 U.S.C.
78o);
|
(b)
|
o |
Bank as
defined in Section 3(a)(6) of the Act (15 U.S.C. 78c);
|
(c)
|
o |
Insurance
company as defined in Section 3(a)(19) of the Act (15 U.S.C.
78c);
|
(d)
|
o |
Investment
company registered under Section 8 of the Investment Company Act of 1940
(15 U.S.C. 80a-8);
|
CUSIP No.
462846 10 6
|
Page 5 of 7
pages
|
(e)
|
o |
An
investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
|
(f)
|
o |
An employee
benefit plan or endowment fund in accordance with §
240.13d-1(b)(1)(ii)(F);
|
(g)
|
o |
A parent
holding company or control person in accordance with §
240.13d-1(b)(1)(ii)(G);
|
(h)
|
o |
A savings
association as defined in Section 3(b) of the Federal Deposit Insurance
Act (12 U.S.C. 1813);
|
(i)
|
o |
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)
|
o |
A non-U.S.
institution in accordance with §
240.13d-1(b)(1)(ii)(J);
|
(k)
|
o |
Group, in
accordance with §
240.13d-1(b)(1)(ii)(J).
|
(a)
|
Amount
beneficially owned:
|
|
15,861,357
shares2
|
||
(b)
|
Percent of
class:
|
|
7.8%
|
||
(c)
|
Number of
shares as to which such person has:
|
(i) | Sole power to vote or direct the vote: | ||
12,532,418 | |||
(ii) | Shared power to vote or direct the vote: | ||
378,349 | |||
(iii) | Sole power to dispose or to direct the disposition of: | ||
15,483,008 | |||
(iv) | Shared power to dispose or to direct the disposition of: | ||
378,349 |
CUSIP No.
462846 10 6
|
Page 6 of 7
pages
|
CUSIP No.
462846 10 6
|
Page 7 of 7
pages
|
(a)
|
Not
applicable.
|
|
(b)
|
Not
applicable.
|
|
(c)
|
Not
applicable.
|
/s/ Vincent J. Ryan
|
|
Vincent J.
Ryan
|
|
(Name)
|