<SEC-DOCUMENT>0001104659-25-012378.txt : 20250212
<SEC-HEADER>0001104659-25-012378.hdr.sgml : 20250212
<ACCEPTANCE-DATETIME>20250212205323
ACCESSION NUMBER:		0001104659-25-012378
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250210
FILED AS OF DATE:		20250212
DATE AS OF CHANGE:		20250212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Largent Jessica Marie
		CENTRAL INDEX KEY:			0001902354
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39918
		FILM NUMBER:		25616828

	MAIL ADDRESS:	
		STREET 1:		405 S. 8TH STREET
		STREET 2:		SUITE 201
		CITY:			BOISE
		STATE:			ID
		ZIP:			83702

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PERPETUA RESOURCES CORP.
		CENTRAL INDEX KEY:			0001526243
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A1
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		405 S. 8TH STREET
		CITY:			BOISE
		STATE:			ID
		ZIP:			83702
		BUSINESS PHONE:		208-901-3060

	MAIL ADDRESS:	
		STREET 1:		405 S. 8TH STREET
		CITY:			BOISE
		STATE:			ID
		ZIP:			83702

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MIDAS GOLD CORP.
		DATE OF NAME CHANGE:	20110720
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm256327-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-02-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001526243</issuerCik>
        <issuerName>PERPETUA RESOURCES CORP.</issuerName>
        <issuerTradingSymbol>PPTA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001902354</rptOwnerCik>
            <rptOwnerName>Largent Jessica Marie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>405 S. 8TH STREET, STE 201</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOISE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>(See remarks (3))</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2025-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14298</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>116190</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-02-10</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14298</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14298</value>
                    <footnoteId id="F1"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>83303</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">A restricted share unit (&quot;RSU&quot;) entitles the holder to receive one Common Share (or cash equal to the value thereof) for each vested RSU. The RSUs that vested on February 10, 2025 will be settled in Common Shares of the Issuer following the end of the Issuer's blackout period.</footnote>
        <footnote id="F2">On February 10, 2023, the reporting person was granted 42,892 RSUs that vest ratably on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Perpetua Resources Corp. Omnibus Equity Incentive Plan.</footnote>
    </footnotes>

    <remarks>(3) Chief Financial Officer.</remarks>

    <ownerSignature>
        <signatureName>/s/ Tanya Nelson, as attorney-in-fact for Jessica Marie Largent</signatureName>
        <signatureDate>2025-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
