<SEC-DOCUMENT>0001562180-24-005287.txt : 20240625
<SEC-HEADER>0001562180-24-005287.hdr.sgml : 20240625
<ACCEPTANCE-DATETIME>20240625161017
ACCESSION NUMBER:		0001562180-24-005287
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240624
FILED AS OF DATE:		20240625
DATE AS OF CHANGE:		20240625

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SALISBURY DAVID J
		CENTRAL INDEX KEY:			0001553036
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41279
		FILM NUMBER:		241069046

	MAIL ADDRESS:	
		STREET 1:		59 NORTH 100 EAST
		STREET 2:		PO BOX 228
		CITY:			NEWTON
		STATE:			UT
		ZIP:			84327

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			5E Advanced Materials, Inc.
		CENTRAL INDEX KEY:			0001888654
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				873426517
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		9329 MARIPOSA ROAD
		STREET 2:		SUITE 210
		CITY:			HESPERIA
		STATE:			CA
		ZIP:			92344
		BUSINESS PHONE:		442 292 2120

	MAIL ADDRESS:	
		STREET 1:		9329 MARIPOSA ROAD
		STREET 2:		SUITE 210
		CITY:			HESPERIA
		STATE:			CA
		ZIP:			92344
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <documentType>4</documentType>

    <periodOfReport>2024-06-24</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001888654</issuerCik>
        <issuerName>5E Advanced Materials, Inc.</issuerName>
        <issuerTradingSymbol>FEAM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001553036</rptOwnerCik>
            <rptOwnerName>SALISBURY DAVID J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9329 MARIPOSA ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>STE 210</rptOwnerStreet2>
            <rptOwnerCity>HESPERIA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92344</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-06-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
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                <transactionShares>
                    <value>3701.00</value>
                </transactionShares>
                <transactionPricePerShare>
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                    <value>21088.00</value>
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                <equitySwapInvolved>false</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
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                    <value>1370.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>1.28</value>
                </transactionPricePerShare>
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                    <value>19718.00</value>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Share Units</value>
                <footnoteId id="F1"/>
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            <expirationDate>
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                <underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">Represents Director Share Units (&quot;DSUs&quot;) granted on June 29, 2022 pursuant to the Issuer's 2022 Equity Compensation Plan (the &quot;Plan&quot;), which Plan and grants were ratified and approved at the Issuer's 2022 Annual Meeting of Stockholders as required under applicable ASX listing rules. Each DSU represents a contingent right to receive one share of 5E Advanced Materials, Inc. common stock. The DSUs vested on June 24. 2024, the date of the Issuer's 2023 Annual General Meeting of Shareholders.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul Weibel as Attorney-in-Fact for David J. Salisbury</signatureName>
        <signatureDate>2024-06-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
