<SEC-DOCUMENT>0001020569-23-000185.txt : 20230919
<SEC-HEADER>0001020569-23-000185.hdr.sgml : 20230919
<ACCEPTANCE-DATETIME>20230919165635
ACCESSION NUMBER:		0001020569-23-000185
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20230918
FILED AS OF DATE:		20230919
DATE AS OF CHANGE:		20230919

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hwang Wing Cheung
		CENTRAL INDEX KEY:			0001993883

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13045
		FILM NUMBER:		231264476

	MAIL ADDRESS:	
		STREET 1:		C/O IRON MOUNTAIN INC.
		STREET 2:		85 NEW HAMPSHIRE AVE, SUITE 150
		CITY:			PORTSMOUTH
		STATE:			NH
		ZIP:			03801

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:		85 NEW HAMPSHIRE AVENUE, SUITE 150
		STREET 2:		PEASE INTERNATIONAL TRADEPORT
		CITY:			PORTSMOUTH
		STATE:			NH
		ZIP:			03801
		BUSINESS PHONE:		617-535-4781

	MAIL ADDRESS:	
		STREET 1:		1101 ENTERPRISE DRIVE
		CITY:			ROYERSFORD
		STATE:			PA
		ZIP:			19468

	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_169515697509915.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2023-09-18</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001993883</rptOwnerCik>
            <rptOwnerName>Hwang Wing Cheung</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IRON MOUNTAIN INCORPORATED</rptOwnerStreet1>
            <rptOwnerStreet2>85 NEW HAMPSHIRE AVENUE, SUITE 150</rptOwnerStreet2>
            <rptOwnerCity>PORTSMOUTH</rptOwnerCity>
            <rptOwnerState>NH</rptOwnerState>
            <rptOwnerZipCode>03801</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP&amp;GM, Data Centers</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Yuxuan &quot;Christine&quot; Zhang, under Power of Attorney dated August 26, 2023 from Wing Cheung Hwang</signatureName>
        <signatureDate>2023-09-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.htm
<DESCRIPTION>POWER OF ATTORNEY FOR: /S/ YUXUAN "CHRISTINE" ZHANG, UNDER POWER OF ATTORNEY DATED AUGUST 26, 2023 FROM WING CHEUNG "PETER" HWANG
<TEXT>
<!-- Document created using Workiva -->
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<pre>
POWER OF ATTORNEY


KNOW ALL MEN BY THESE PRESENTS, that I, Wing Cheung "Peter" Hwang, do hereby make, constitute and appoint, Deborah Marson, Secretary of Iron Mountain Incorporated, Keely Stewart, Assistant Secretary of Iron Mountain Incorporated, Luke Cummiskey, Manager, Senior Corporate Counsel and Yuxuan "Christine" Zhang, Senior Corporate Counsel, 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 ("Section 16 Filings").

Among the powers granted to my attorney-in-fact are:

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.

This Power of Attorney shall remain in effect until revoked by the undersigned in writing.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 26 day of August, 2023.


___/s/ Peter Hwang___
Name:  Wing Cheung Peter Hwang
</pre>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
