Sec Form 4 Filing - MacLean Theodore @ IRON MOUNTAIN INC - 2018-02-16

Insider filing report for Changes in Beneficial Ownership
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
MacLean Theodore
2. Issuer Name and Ticker or Trading Symbol
IRON MOUNTAIN INC [ IRM]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
EVP, Adjacent Businesses
(Last) (First) (Middle)
C/O IRON MOUNTAIN INCORPORATED, ONE FEDERAL STREET
3. Date of Earliest Transaction (MM/DD/YY)
02/16/2018
(Street)
BOSTON, MA02110
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City) (State) (Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $.01 per share 02/20/2018 S( 1 ) 529 D $ 32.75 6,367 D
Common Stock, par value $.01 per share 02/20/2018 M 5,031 ( 2 ) A $ 0 11,398 D
Common Stock, par value $.01 per share 02/20/2018 F 1,462 D $ 32.12 9,936 D
Common Stock, par value $.01 per share 02/20/2018 M 1,549 ( 3 ) A $ 0 11,485 D
Common Stock, par value $.01 per share 02/20/2018 F 456 D $ 32.12 11,029 D
Common Stock, par value $.01 per share 02/20/2018 M 2,048 ( 4 ) A $ 0 13,077 D
Common Stock, par value $.01 per share 02/20/2018 F 603 D $ 32.12 12,474 D
Common Stock, par value $.01 per share 02/21/2018 S( 1 ) 547 D $ 31.86 11,927 D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Performance Units ( 5 ) 02/16/2018 A( 6 ) 5,031 ( 7 ) ( 7 ) Common Stock 5,031 $ 0 5,031 D
Performance Units ( 5 ) 02/20/2018 M 5,031 ( 7 ) ( 7 ) Common Stock 5,031 $ 0 0 D
Restricted Stock Units ( 8 ) 02/20/2018 M 1,549 ( 9 ) ( 9 ) Common Stock 1,549 $ 0 0 D
Restricted Stock Units ( 8 ) 02/20/2018 M 2,048 ( 10 ) ( 10 ) Common Stock 2,048 $ 0 2,054 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MacLean Theodore
C/O IRON MOUNTAIN INCORPORATED
ONE FEDERAL STREET
BOSTON, MA02110
EVP, Adjacent Businesses
Signatures
/s/ Elizabeth Tammaro, under Power of Attorney dated May 26, 2016, from Theodore MacLean 02/22/2018
Signature of Reporting Person Date
Explanation of Responses:
( 1 )This transaction was effected pursuant to a 10b5-1 trading plan which was approved and became effective as of September 7, 2017.
( 2 )This transaction is being reported to reflect the full vesting of performance units ("PUs") initially granted to the Reporting Person on February 19, 2015. Effective February 16, 2018, the Compensation Committee of Iron Mountain Incorporated's Board of Directors (the "Compensation Committee") determined the actual award of PUs under the grant after completion of the relevant performance period, and the PUs vested on February 20, 2018.
( 3 )This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 19, 2015.
( 4 )This acquisition is reported to reflect the partial vesting of RSUs previously granted to the Reporting Person on February 18, 2016.
( 5 )Each PU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock").
( 6 )The PUs were initially granted to the Reporting Person on February 19, 2015, and effective February 16, 2018 the Compensation Committee determined the actual award of PUs under the grant after completion of the relevant performance period.
( 7 )The PUs were initially granted to the Reporting Person on February 19, 2015 and fully vested on February 20, 2018.
( 8 )Each RSU represents a contingent right to receive one share of Common Stock.
( 9 )The RSUs, representing a contingent right to receive a total of 4,635 shares of Common Stock, were granted to the Reporting Person on February 19, 2015 and have fully vested.
( 10 )The RSUs, representing a contingent right to receive a total of 6,149 shares of Common Stock, were granted to the Reporting Person on February 18, 2016 and vest in three substantially equal annual installments beginning on the first anniversary of the grant 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 4(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).

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