<SEC-DOCUMENT>0001104659-25-055765.txt : 20250603
<SEC-HEADER>0001104659-25-055765.hdr.sgml : 20250603
<ACCEPTANCE-DATETIME>20250603085016
ACCESSION NUMBER:		0001104659-25-055765
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250530
FILED AS OF DATE:		20250603
DATE AS OF CHANGE:		20250603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Siamomua Amelia Kinahoi
		CENTRAL INDEX KEY:			0001878370
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39281
		FILM NUMBER:		251017310

	MAIL ADDRESS:	
		STREET 1:		3575 BEACHHILL DRIVE
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30340

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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<SEQUENCE>1
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<DESCRIPTION>OWNERSHIP DOCUMENT
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<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001878370</rptOwnerCik>
            <rptOwnerName>Siamomua Amelia Kinahoi</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TMC THE METALS COMPANY INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>1111 WEST HASTINGS STREET, 15TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>VANCOUVER</rptOwnerCity>
            <rptOwnerState>A1</rptOwnerState>
            <rptOwnerZipCode>V6E 2J3</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5459</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>294452</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">In lieu of cash compensation under the Issuer's Nonemployee Director Compensation Policy (&quot;Director Compensation Policy&quot;), the Reporting Person was granted restricted stock units (&quot;RSUs&quot;) under the Issuer's 2021 Equity Incentive Plan (&quot;Equity Incentive Plan&quot;). Each RSU represents the right to receive one common share upon vesting. The RSUs vested immediately upon issuance.</footnote>
    </footnotes>

    <remarks>Exhibit 24.1 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ Michelle Ancosky, Attorney-In-Fact</signatureName>
        <signatureDate>2025-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>2
<FILENAME>tm2516869d7_ex24-1.htm
<DESCRIPTION>EXHIBIT 24.1
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>Exhibit 24.1&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>POWER OF ATTORNEY</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Know all by these present,
that the undersigned hereby constitutes and appoints each of Meg Green, Nadia do Canto, Jessica Zhang, Kaoru Suzuki, Daniel Kajunski,
Maura Foley and Robyn Frattali of Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., and each of Craig Shesky, Ryan Coombes, Michelle
Ancosky and Claude Plourde of TMC the metals company Inc. (the &ldquo;Company&rdquo;), signing singly, with full power of substitution,
the undersigned's true and lawful attorney-in-fact to:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(1)<FONT STYLE="font-family: Times New Roman, Times, Serif">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
</FONT>execute for and on behalf of the undersigned, forms and authentication documents for EDGAR Filing Access;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(2)<FONT STYLE="font-family: Times New Roman, Times, Serif">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
</FONT>do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute
any such forms and authentication documents;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(3)<FONT STYLE="font-family: Times New Roman, Times, Serif">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
</FONT>execute for and on behalf of the undersigned, in the undersigned&rsquo;s capacity as an officer, director and/or 10% shareholder
of the Company, Forms 3, 4 and 5 in accordance with Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(4)<FONT STYLE="font-family: Times New Roman, Times, Serif">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
</FONT>do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute
any such Form 3, 4 or 5 and timely file such form with the United States Securities and Exchange Commission and any stock exchange or
similar authority; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(5)<FONT STYLE="font-family: Times New Roman, Times, Serif">&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;
</FONT>take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may
be of benefit to, in the best interests of, or legally required by, the undersigned, it being understood that the documents executed by
such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms
and conditions as such attorney-in-fact may approve in such attorney-in-fact's discretion.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The undersigned hereby grants
to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary,
or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned
might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this power
of attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorney-in-fact, in serving in
such capacity at the request of the undersigned, is not assuming, nor is the Company assuming, any of the undersigned&rsquo;s responsibilities
to comply with Section 16 of the Securities Exchange Act of 1934.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">This Power of Attorney shall
remain in full force and effect until the undersigned is no longer required to file Forms 3, 4 and 5 with respect to the undersigned's
holdings of and transactions in securities issued by the Company, unless earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">IN WITNESS WHEREOF, the undersigned
has caused this Power of Attorney to be effective as of December 31, 2023.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.7in 0pt 0"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; width: 50%">/s/ Amelia Kinahoi Siamomua</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif">Amelia Kinahoi Siamomua</TD></TR>
  </TABLE>


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