<SEC-DOCUMENT>0001104659-26-033976.txt : 20260324
<SEC-HEADER>0001104659-26-033976.hdr.sgml : 20260324
<ACCEPTANCE-DATETIME>20260324174109
ACCESSION NUMBER:		0001104659-26-033976
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260320
FILED AS OF DATE:		20260324
DATE AS OF CHANGE:		20260324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Shesky Craig
		CENTRAL INDEX KEY:			0001874308
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39281
		FILM NUMBER:		26787720

	MAIL ADDRESS:	
		STREET 1:		570 BROOME STREET, APT. 13A
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10013

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TMC the metals Co Inc.
		CENTRAL INDEX KEY:			0001798562
		STANDARD INDUSTRIAL CLASSIFICATION:	METAL MINING [1000]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				000000000
		STATE OF INCORPORATION:			A1
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1111 WEST HASTINGS STREET
		STREET 2:		15TH FLOOR
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6E 2J3
		BUSINESS PHONE:		888-458-3420

	MAIL ADDRESS:	
		STREET 1:		1111 WEST HASTINGS STREET
		STREET 2:		15TH FLOOR
		CITY:			VANCOUVER
		STATE:			A1
		ZIP:			V6E 2J3

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Sustainable Opportunities Acquisition Corp.
		DATE OF NAME CHANGE:	20200102
</SEC-HEADER>
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<DESCRIPTION>OWNERSHIP DOCUMENT
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    <periodOfReport>2026-03-20</periodOfReport>

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    <issuer>
        <issuerCik>0001798562</issuerCik>
        <issuerName>TMC the metals Co Inc.</issuerName>
        <issuerTradingSymbol>TMC</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

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        <reportingOwnerId>
            <rptOwnerCik>0001874308</rptOwnerCik>
            <rptOwnerName>Shesky Craig</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O TMC THE METALS COMPANY INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>1111 WEST HASTINGS STREET, 15TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A1</rptOwnerCountry>
            <rptOwnerZipCode>V6E 2J3</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>187662</value>
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                <transactionPricePerShare>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>187662</value>
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        <derivativeTransaction>
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                <transactionCode>M</transactionCode>
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            <transactionAmounts>
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                    <value>166502</value>
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                <transactionPricePerShare>
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                <transactionShares>
                    <value>208375</value>
                </transactionShares>
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                    <value>416750</value>
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    <footnotes>
        <footnote id="F1">Consists of restricted stock units (&quot;RSUs&quot;) that converted to common shares on a one-to-one basis. The RSUs were granted on March 20, 2023 and 1/3 vested on March 20, 2024, 1/3 vested on March 20, 2025 and 1/3 vested on March 20, 2026.</footnote>
        <footnote id="F2">Consists of RSUs that converted to common shares on a one-to-one basis. The RSUs were granted on March 20, 2024 and 1/3 vested on March 20, 2025 and 1/3 vested on March 20, 2026. The remaining RSUs will vest, subject to continued service through the vesting date, 1/3 of the total award on March 20, 2027.</footnote>
        <footnote id="F3">Consists of RSUs that converted to common shares on a one-to-one basis. The RSUs were granted on March 20, 2025 and 1/3 vested on March 20, 2026. The remaining RSUs will vest as follows, subject to continued service through each vesting date: 1/3 of the total award on March 20, 2027 and the remaining amount on March 20, 2028.</footnote>
        <footnote id="F4">Each RSU represents the right to receive one common share upon vesting.</footnote>
        <footnote id="F5">The RSUs were granted as part of the Issuer's long-term incentive plan and vest over a three-year period as follows, subject to continued service through each vesting date: 1/3 on the first anniversary of March 20, 2023 (the &quot;2023 Grant Date&quot;), 1/3 on the second anniversary of the 2023 Grant Date and 1/3 on the third anniversary of the 2023 Grant Date. All of the RSUs have vested and have been settled as of the date hereof.</footnote>
        <footnote id="F6">The RSUs were granted as part of the Issuer's long-term incentive plan and vest over a three-year period as follows, subject to continued service through each vesting date: 1/3 on the first anniversary of March 20, 2024 (the &quot;2024 Grant Date&quot;), 1/3 on the second anniversary of the 2024 Grant Date and 1/3 on the third anniversary of the 2024 Grant Date. 2/3 of the RSUs have vested and have been settled as of the date hereof.</footnote>
        <footnote id="F7">The RSUs were granted as part of the Issuer's long-term incentive plan and vest over a three-year period as follows, subject to continued service through each vesting date: 1/3 on the first anniversary of March 20, 2025 (the &quot;2025 Grant Date&quot;), 1/3 on the second anniversary of the 2025 Grant Date and 1/3 on the third anniversary of the 2025 Grant Date. 1/3 of the RSUs have vested and have been settled as of the date hereof.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Michelle Ancosky, Attorney-In-Fact</signatureName>
        <signatureDate>2026-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
