<SEC-DOCUMENT>0001877255-25-000031.txt : 20250618
<SEC-HEADER>0001877255-25-000031.hdr.sgml : 20250618
<ACCEPTANCE-DATETIME>20250618211825
ACCESSION NUMBER:		0001877255-25-000031
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250618
FILED AS OF DATE:		20250618
DATE AS OF CHANGE:		20250618

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Prager Paul B.
		CENTRAL INDEX KEY:			0001877255
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41163
		FILM NUMBER:		251058822

	MAIL ADDRESS:	
		STREET 1:		9 FEDERAL STREET
		CITY:			EASTON
		STATE:			MD
		ZIP:			21601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TERAWULF INC.
		CENTRAL INDEX KEY:			0001083301
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE SERVICES [6199]
		ORGANIZATION NAME:           	09 Crypto Assets
		EIN:				871909475
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9 FEDERAL STREET
		CITY:			EASTON
		STATE:			MD
		ZIP:			21601
		BUSINESS PHONE:		(410) 770-9500

	MAIL ADDRESS:	
		STREET 1:		9 FEDERAL STREET
		CITY:			EASTON
		STATE:			MD
		ZIP:			21601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IKONICS CORP
		DATE OF NAME CHANGE:	20021216

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHROMALINE CORP
		DATE OF NAME CHANGE:	19990405
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1750295899.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-06-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001083301</issuerCik>
        <issuerName>TERAWULF INC.</issuerName>
        <issuerTradingSymbol>WULF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001877255</rptOwnerCik>
            <rptOwnerName>Prager Paul B.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TERAWULF INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9 FEDERAL STREET</rptOwnerStreet2>
            <rptOwnerCity>EASTON</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>21601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock, $0.001 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Beowulf E&amp;D Holdings Inc.</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock, $0.001 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>491700</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock, $0.001 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Heorot Power Holdings LLC</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock, $0.001 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Riesling Power LLC</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">1,000,000 shares of common stock, par value $0.001 per share (&quot;Common Stock&quot;) were contributed to Somerset Goods and Services Trust for no consideration.</footnote>
        <footnote id="F2">By Beowulf E&amp;D Holdings Inc. (&quot;E&amp;D Holdings&quot;). The Reporting Person is the sole manager of E&amp;D Holdings and, as a result, may be deemed to beneficially own the shares of the Common Stock held by E&amp;D Holdings. The Reporting Person disclaims beneficial ownership of such shares of the Common Stock except to the extent of his pecuniary interest therein, and the inclusion of such shares of the Common Stock in this report shall not be deemed an admission of beneficial ownership of all of the reported shares of the Common Stock for purposes of Section 16 of the Exchange Act, or for any other purpose</footnote>
        <footnote id="F3">By Heorot Power Holdings LLC (&quot;Heorot&quot;). The Reporting Person is the sole manager of Heorot and, as a result, may be deemed to beneficially own the shares of the Common Stock held by Heorot. The Reporting Person disclaims beneficial ownership of such shares of the Common Stock except to the extent of his pecuniary interest therein, and the inclusion of such shares of the Common Stock in this report shall not be deemed an admission of beneficial ownership of all of the reported shares of the Common Stock for purposes of Section 16 of the Exchange Act, or for any other purpose</footnote>
        <footnote id="F4">By Riesling Power LLC (&quot;Riesling Power&quot;). The Paul B. Prager Revocable Trust (&quot;Prager Revocable Trust&quot;) is the sole member of Riesling Power. The Reporting Person is the sole trustee of the Prager Revocable Trust and may be deemed to have the power to direct the voting and disposition of the Common Stock beneficially owned by the Prager Revocable Trust. Accordingly, pursuant to the regulations promulgated under Section 13(d) of the Securities Exchange Act of 1934, as amended (the &quot;Exchange Act&quot;), Mr. Paul B. Prager may be deemed to be a beneficial owner of the shares of Common Stock held for the account of the Prager Revocable Trust .</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul B. Prager</signatureName>
        <signatureDate>2025-06-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
