0001020569-21-000033.txt : 20210218 0001020569-21-000033.hdr.sgml : 20210218 20210218195419 ACCESSION NUMBER: 0001020569-21-000033 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210216 FILED AS OF DATE: 20210218 DATE AS OF CHANGE: 20210218 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MARSON DEBORAH CENTRAL INDEX KEY: 0001691591 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-13045 FILM NUMBER: 21651526 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_161369603571754.xml FORM 4 X0306 4 2021-02-16 0 0001020569 IRON MOUNTAIN INC IRM 0001691591 MARSON DEBORAH C/O IRON MOUNTAIN INCORPORATED ONE FEDERAL STREET BOSTON MA 02110 0 1 0 0 EVP, General Counsel, Sec. Common Stock, par value $.01 per share 2021-02-16 4 M 0 1486 0 A 40120 D Common Stock, par value $.01 per share 2021-02-16 4 F 0 514 32.97 D 39606 D Restricted Stock Units 2021-02-16 4 M 0 1486 0 D Common Stock 1486.0 0 D This acquisition is reported to reflect the partial vesting of restricted stock units ("RSUs") previously granted to the Reporting Person on February 15, 2018. Each RSU represents a contingent right to receive one share of Iron Mountain Incorporated common stock ("Common Stock"). The RSUs, representing a contingent right to receive a total of 4,448 shares of Common Stock, were granted to the Reporting Person on February 15, 2018 and have vested in full. /s/ Elizabeth Tammaro, under Power of Attorney dated December 7, 2016, from Deborah Marson 2021-02-18