<SEC-DOCUMENT>0001020569-20-000004.txt : 20200106
<SEC-HEADER>0001020569-20-000004.hdr.sgml : 20200106
<ACCEPTANCE-DATETIME>20200106171129
ACCESSION NUMBER:		0001020569-20-000004
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20200102
FILED AS OF DATE:		20200106
DATE AS OF CHANGE:		20200106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Simons Doyle
		CENTRAL INDEX KEY:			0001185922

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13045
		FILM NUMBER:		20510806

	MAIL ADDRESS:	
		STREET 1:		220 OCCIDENTAL AVENUE SOUTH
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98104

	FORMER NAME:	
		FORMER CONFORMED NAME:	SIMONS DOYLE R
		DATE OF NAME CHANGE:	20020904

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>wf-form3_157834867203223.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-01-02</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001020569</issuerCik>
        <issuerName>IRON MOUNTAIN INC</issuerName>
        <issuerTradingSymbol>IRM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185922</rptOwnerCik>
            <rptOwnerName>Simons Doyle</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IRON MOUNTAIN INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>ONE FEDERAL STREET</rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02110</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Elizabeth Tammaro, under Power of Attorney dated January 2, 2020 , from Doyle R. Simons</signatureName>
        <signatureDate>2020-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>powerofattorney-doylesimons.htm
<DESCRIPTION>SIMONS, DOYLE POA
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <!-- Document created using Wdesk 1 -->
        <!-- Copyright 2020 Workiva -->
        <title>Exhibit</title>
    </head>
    <body><div style="font-family:Times New Roman;font-size:10pt;">
<div><a name="sDC124495BDAF44D9F73F7C6AF92C99BA"></a></div><div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">POWER OF ATTORNEY</font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">KNOW ALL MEN BY THESE PRESENTS, </font><font style="font-family:inherit;font-size:12pt;">that I,</font><font style="font-family:inherit;font-size:12pt;">&#32;Doyle Simons</font><font style="font-family:inherit;font-size:12pt;">, do hereby make, constitute and appoint, the Secretary of Iron Mountain Incorporated, as of this date being Deborah Marson, the Assistant Secretaries of Iron Mountain Incorporated, as of this date being Nina Andersson-Willard and Elizabeth Tammaro, acting singly, to be my lawful attorney-in-fact for me and to do any and all acts which I could do in connection with any filings required by Section 16 of the Securities Exchange Act of 1934, including, without limitation, the preparation, signing and filing of Forms 3, 4 and 5 (&#8220;Section 16 Filings&#8221;).</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Among the powers granted to my attorney-in-fact are:</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">To prepare, sign and file with the Securities and Exchange Commission and the New York Stock Exchange the Section 16 Filings, in my name or stead, and any and all such further documents as he/she may deem necessary or advisable in order to carry out the required Section 16 Filings and the powers granted to him/her by these presents.</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">This Power of Attorney shall remain in effect until revoked by the undersigned in writing.</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">IN WITNESS WHEREOF, I have hereunto set my hand and seal this 2nd day of January, 2020.</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;text-decoration:underline;">___/s/ Doyle Simons_ ________</font></div><div style="line-height:120%;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Name:  </font><font style="font-family:inherit;font-size:12pt;">Doyle Simons</font></div><div><br></div><div></div>    </div></body>
</html>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
