0001020569-21-000187.txt : 20210708 0001020569-21-000187.hdr.sgml : 20210708 20210708162015 ACCESSION NUMBER: 0001020569-21-000187 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210706 FILED AS OF DATE: 20210708 DATE AS OF CHANGE: 20210708 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Matlock Robin CENTRAL INDEX KEY: 0001781215 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13045 FILM NUMBER: 211080397 MAIL ADDRESS: STREET 1: C/O IRON MOUNTAIN INCORPORATED STREET 2: ONE FEDERAL STREET CITY: BOSTON STATE: MA ZIP: 02110 ISSUER: 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 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 4 1 wf-form4_162577558747575.xml FORM 4 X0306 4 2021-07-06 0 0001020569 IRON MOUNTAIN INC IRM 0001781215 Matlock Robin C/O IRON MOUNTAIN INCORPORATED ONE FEDERAL STREET BOSTON MA 02110 1 0 0 0 Phantom Stock 2021-07-06 4 A 0 59.5107 42.507 A Common Stock 59.5107 4149.4434 D Pursuant to the Reporting Person's election to participate in the Iron Mountain Incorporated Directors Deferred Compensation Plan (the "Plan"), the shares of phantom stock (the "Phantom Shares") will become payable in shares of Iron Mountain Incorporated common stock ("Common Stock") on various dates selected by the Reporting Person or as otherwise provided in the Plan. Each Phantom Share is the economic equivalent of one share of Common Stock. These shares give effect to dividends paid on Common Stock as if reinvested in Phantom Shares. /s/ Elizabeth Tammaro, under Power of Attorney dated June 20, 2019 from Robin Matlock 2021-07-08