Patrick J Keddy Form 3/A IRON MOUNTAIN / Patrick J Keddy ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:	3235-0104
Estimated average burden
hours per response:	0.5

1. Name and Address of Reporting Person^*

Keddy Patrick J

(Last) (First) (Middle)

C/O IRON MOUNTAIN INCORPORATED

ONE FEDERAL STREET

(Street)

BOSTON MA 02110

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
04/02/2015

3. Issuer Name and Ticker or Trading Symbol
IRON MOUNTAIN INC [ IRM ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Exec VP & GM, N. A. & W. Europ

5. If Amendment, Date of Original Filed (Month/Day/Year)
04/13/2015

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock, par value $.01 per share	6,563	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Units	(1)	(1)	Common Stock	991	(2)	D
Restricted Stock Units	03/15/2016	03/15/2016	Common Stock	474	(3)	D
Restricted Stock Units	(4)	(4)	Common Stock	2,641	(3)	D
Restricted Stock Units	(5)	(5)	Common Stock	2,575	(3)	D
Employee Stock Option (Right to Buy)	(6)	11/29/2021	Common Stock	42,843	24.0827	D
Employee Stock Option (Right to Buy)	(7)	02/13/2024	Common Stock	7,011	24.8037	D
Employee Stock Option (Right to Buy)	(8)	02/19/2025	Common Stock	7,133	38.83	D

Explanation of Responses:

1. The performance units ("PUs") will fully vest on March 15, 2016, subject to certain exceptions, if the Reporting Person is, as of that date, continuing to perform services for Iron Mountain Incorporated.

2. Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").

3. Each restricted stock unit ("RSU") represents a contingent right to receive one share of Common Stock.

4. The RSUs vest in two substantially equal installments on February 13, 2016 and Feburary 13, 2017.

5. The RSUs were granted to the Reporting Person on February 19, 2015 and vest in three substantially equal annual installments beginning on the first anniversary of the grant date.

6. This option is fully vested.

7. This option has vested with respect to 2,344 shares. The remaining shares vest in two substantially equal installments beginning on February 13, 2016.

8. This option vests in three substantially equal installments on February 19, 2016, February 19, 2017 and February 19, 2018.

Remarks:

This amendment is being filed solely to include the power of attorney.

	/s/ Sarah Cammarata, under Power of Attorney dated April 8, 2015, from Patrick Keddy	04/17/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.