0001020569-23-000004.txt : 20230105 0001020569-23-000004.hdr.sgml : 20230105 20230105194116 ACCESSION NUMBER: 0001020569-23-000004 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230103 FILED AS OF DATE: 20230105 DATE AS OF CHANGE: 20230105 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: 23513191 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_167296565995753.xml FORM 4 X0306 4 2023-01-03 0 0001020569 IRON MOUNTAIN INC IRM 0001781215 Matlock Robin C/O IRON MOUNTAIN INCORPORATED ONE FEDERAL STREET BOSTON MA 02110 1 0 0 0 Common Stock, par value $.01 per share 2023-01-03 4 M 0 885.392 0 A 19795.392 D Common Stock, par value $.01 per share 2023-01-03 4 D 0 885.392 49.8669 D 18910 D Phantom Stock 2023-01-03 4 M 0 885.392 49.8669 D Common Stock 885.392 2657.377 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. Represents Common Stock otherwise issuable to the Reporting Person for which cash was paid, based on the closing price of Common Stock on the New York Stock Exchange on the transaction date. Settlement of the Phantom Shares is in cash. Settlement of the Phantom Shares is made in accordance with distribution elections made by the Reporting Person or as otherwise provided in the Plan. /s/ Elizabeth Tammaro, under Power of Attorney dated June 20, 2019 from Robin Matlock 2023-01-05