0001562230-18-000030.txt : 20180214 0001562230-18-000030.hdr.sgml : 20180214 20180213193853 ACCESSION NUMBER: 0001562230-18-000030 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180214 DATE AS OF CHANGE: 20180213 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: IRON MOUNTAIN INC CENTRAL INDEX KEY: 0001020569 STANDARD INDUSTRIAL CLASSIFICATION: REAL ESTATE INVESTMENT TRUSTS [6798] IRS NUMBER: 232588479 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-52359 FILM NUMBER: 18606236 BUSINESS ADDRESS: STREET 1: ONE FEDERAL STREET CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 617-535-4781 MAIL ADDRESS: STREET 1: ONE FEDERAL STREET CITY: BOSTON STATE: MA ZIP: 02110 FORMER COMPANY: FORMER CONFORMED NAME: IRON MOUNTAIN INC/PA DATE OF NAME CHANGE: 20000201 FORMER COMPANY: FORMER CONFORMED NAME: PIERCE LEAHY CORP DATE OF NAME CHANGE: 19960807 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Capital International Investors CENTRAL INDEX KEY: 0001562230 IRS NUMBER: 951411037 STATE OF INCORPORATION: DE FISCAL YEAR END: 0630 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 333 S. HOPE STREET CITY: LOS ANGELES STATE: CA ZIP: 90071 BUSINESS PHONE: 213-486-9200 MAIL ADDRESS: STREET 1: 333 S. HOPE STREET CITY: LOS ANGELES STATE: CA ZIP: 90071 FORMER COMPANY: FORMER CONFORMED NAME: Capital Research & Management Co - Division 3 DATE OF NAME CHANGE: 20121114 SC 13G/A 1 edgirm.txt SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Iron Mountain Incorporated (Name of Issuer) Common Stock (Title of Class of Securities) 46284V101 (CUSIP Number) December 29, 2017 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [X] Rule 13d-1(b) [ ] Rule 13d-1(c) [ ] Rule 13d-1(d) *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). CUSIP: 46284V101 Page 1 of 4 1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY) Capital International Investors ** 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a) (b) 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION California 5 SOLE VOTING POWER 12,181,368 6 SHARED VOTING POWER NUMBER OF SHARES NONE BENEFICIALL Y OWNED BY 7 SOLE DISPOSITIVE POWER EACH REPORTING 12,669,334 PERSON WITH: 8 SHARED DISPOSITIVE POWER NONE 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 12,669,334 Beneficial ownership disclaimed pursuant to Rule 13d-4 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 4.5% 12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS) IA ** A division of Capital Research and Management Company (CRMC) CUSIP: 46284V101 Page 2 of 4 SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 Schedule 13G Under the Securities Exchange Act of 1934 Amendment No. 2 Item 1(a) Name of Issuer: Iron Mountain Incorporated Item 1(b) Address of Issuer's Principal Executive Offices: One Federal Street Boston MA 02110 Item 2(a) Name of Person(s) Filing: Capital International Investors, division of Capital Research and Management Company Item 2(b) Address of Principal Business Office or, if none, Residence: 11100 Santa Monica Boulevard 16th Floor Los Angeles, CA 90025 Item 2(c) Citizenship: N/A Item 2(d) Title of Class of Securities: Common Stock Item 2(e) CUSIP Number: 46284V101 Item 3 If this statement is filed pursuant to sections 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: (e) [X] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E). Item 4 Ownership Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1. (a) Amount beneficially owned: (b) Percent of class: (c) Number of shares as to which the person has: (i) Sole power to vote or to direct the vote: (ii) Shared power to vote or to direct the vote: (iii) Sole power to dispose or to direct the disposition of: (iv) Shared power to dispose or to direct the disposition of: See page 2 Capital International Investors divisions of CRMC and Capital Bank and Trust Company, as well as the following CRMC subsidiaries: Capital Guardian Trust Company, Capital International Limited, Capital International Sarl, Capital International K.K. and Capital International, Inc., CUSIP: 46284V101 Page 3 of 4 collectively provide investment management services under the name "Capital International Investors." Please see Items 5 through 11 of each reporting person's cover sheet in this Schedule 13G filing for such person's deemed beneficial ownership of 12,669,334 shares or 4.5% of the 281,382,282 shares believed to be outstanding. Item 5 Ownership of Five Percent or Less of a Class. If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [X] Item 6 Ownership of More than Five Percent on Behalf of Another Person: N/A Item 7 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person: N/A Item 8 Identification and Classification of Members of the Group: N/A Item 9 Notice of Dissolution of Group: N/A Item 10 Certification By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. Signature After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: February 5, 2018 Signature: /s/ Walter R. Burkley Name/Title: Walter R. Burkley - Senior Vice President and Senior Counsel, Fund Business Management Group Capital Research and Management Company CUSIP: 46284V101 Page 4 of 4