<SEC-DOCUMENT>0002111395-26-000001.txt : 20260318
<SEC-HEADER>0002111395-26-000001.hdr.sgml : 20260318
<ACCEPTANCE-DATETIME>20260318090619
ACCESSION NUMBER:		0002111395-26-000001
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20260318
FILED AS OF DATE:		20260318
DATE AS OF CHANGE:		20260318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Verjus Nathalie Claude Odile
		CENTRAL INDEX KEY:			0002111395
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41709
		FILM NUMBER:		26765994

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		C/O WISEKEY INTERNATIONAL HOLDING AG
		STREET 2:		AVENUE LOUIS-CASAI 58
		CITY:			COINTRIN
		PROVINCE COUNTRY:   	V8
		ZIP:			1216

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SEALSQ Corp
		CENTRAL INDEX KEY:			0001951222
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				000000000
		STATE OF INCORPORATION:			D8
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		AVENUE LOUIS-CASAI 58
		CITY:			COINTRIN
		STATE:			V8
		ZIP:			1216
		BUSINESS PHONE:		212-336-2039

	MAIL ADDRESS:	
		STREET 1:		CRAIGMUIR CHAMBERS, ROAD TOWN
		CITY:			TORTOLA
		STATE:			D8
		ZIP:			VG 1110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SEAL (BVI) Corp.
		DATE OF NAME CHANGE:	20221019
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3-03182026_010315.xml
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<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0607</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2026-03-18</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001951222</issuerCik>
        <issuerName>SEALSQ Corp</issuerName>
        <issuerTradingSymbol>LAES</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002111395</rptOwnerCik>
            <rptOwnerName>Verjus Nathalie Claude Odile</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O SEALSQ CORP</rptOwnerStreet1>
            <rptOwnerStreet2>AVENUE LOUIS-CASAI 58</rptOwnerStreet2>
            <rptOwnerCity>COINTRIN</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>V8</rptOwnerCountry>
            <rptOwnerZipCode>1216</rptOwnerZipCode>
            <rptOwnerStateDescription>SWITZERLAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Company Secretary</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>190000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Class F Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ John O'Hara, Attorney-in-Fact</signatureName>
        <signatureDate>2026-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
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<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24-03182026_010315.htm
<TEXT>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The undersigned hereby makes, constitutes and
appoints each of John O&rsquo;Hara, David Briffod, Ang&eacute;lique Faoro, Soraya Ndam Sayve and Nathalie Verjus, or either of them acting
singly, and with full power of substitution, re-substitution and delegation, the undersigned&rsquo;s true and lawful attorney-in-fact
(each of such persons and their substitutes and delegees being referred to herein as the &quot;<U>Attorney-in-Fact</U>&quot;), with full
power to act for the undersigned and in the undersigned's name, place and stead, in the undersigned&rsquo;s capacity as an officer, director
or stockholder of SEALSQ Corp (the &ldquo;<U>Company</U>&rdquo;), to:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">1)</TD><TD STYLE="text-align: justify">Take such actions as may be necessary or appropriate to enable the undersigned to submit and file forms,
schedules and other documents with the U.S. Securities and Exchange Commission (&ldquo;<U>SEC</U>&rdquo;) utilizing the SEC&rsquo;s Electronic
Data Gathering and Retrieval (&ldquo;<U>EDGAR</U>&rdquo;) system, which actions may include (a) enrolling the undersigned in EDGAR Next
and (b) preparing, executing and submitting to the SEC a Form ID, amendments thereto, and such other documents and information as may
be necessary or appropriate to obtain codes and passwords enabling the undersigned to make filings and submissions utilizing the EDGAR
system;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">2)</TD><TD STYLE="text-align: justify">Prepare and execute any and all forms, schedules and other documents (including any amendments thereto)
the undersigned is required to file with the SEC, or which the Attorney-in-Fact considers it advisable for the undersigned to file with
the SEC, under Section 13 or Section 16 of the Securities Exchange Act of 1934 or any rule or regulation thereunder, or under Rule 144
under the Securities Act of 1933 (&ldquo;<U>Rule 144</U>&rdquo;), including Forms 3, 4 and 5, Schedules 13D and 13G, and Forms 144 (all
such forms, schedules and other documents being referred to herein as &ldquo;SEC Filings&rdquo;);</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">3)</TD><TD STYLE="text-align: justify">Submit and file SEC Filings with the SEC utilizing the EDGAR system or cause them to be submitted and
filed by a person appointed under <U>Section 5</U> below;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">4)</TD><TD STYLE="text-align: justify">File, submit or otherwise deliver SEC Filings to any securities exchange on which the Company&rsquo;s
securities may be listed or traded;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">5)</TD><TD STYLE="text-align: justify">Act as an account administrator for the undersigned&rsquo;s EDGAR account, including: (i) appoint, remove
and replace account administrators, account users, technical administrators and delegated entities; (ii) maintain the security of the
undersigned&rsquo;s EDGAR account, including modification of access codes; (iii) maintain, modify and certify the accuracy of information
on the undersigned&rsquo;s EDGAR account dashboard; (iv) act as the EDGAR point of contact with respect to the undersigned&rsquo;s EDGAR
account; and (v) any other actions contemplated by Rule 10 of Regulation S-T with respect to account administrators;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">6)</TD><TD STYLE="text-align: justify">Cause the Company to accept a delegation of authority from any of the undersigned&rsquo;s EDGAR account
administrators and, pursuant to that delegation, authorize the Company&rsquo;s EDGAR account administrators to appoint, remove or replace
users for the undersigned&rsquo;s EDGAR account; and</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"></P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">7)</TD><TD STYLE="text-align: justify">Obtain, as the undersigned's representative and on the undersigned's behalf, information regarding transactions
in the Company's equity securities from any third party, including the Company and any brokers, dealers, employee benefit plan administrators
and trustees, and the undersigned hereby authorizes any such third party to release any such information to the Attorney-in-Fact.</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">The undersigned acknowledges
that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45.8pt"></TD><TD STYLE="width: 18pt">a)</TD><TD STYLE="text-align: justify">This Power of Attorney authorizes, but does not require, the Attorney-in-Fact to act in his or her discretion
on information provided to such Attorney-in-Fact without independent verification of such information;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45.8pt"></TD><TD STYLE="width: 18pt">b)</TD><TD STYLE="text-align: justify">Any documents prepared or executed by the Attorney-in-Fact on behalf of the undersigned pursuant to this
Power of Attorney will be in such form and will contain such information as the Attorney-in-Fact, in his or her discretion, deems necessary
or desirable;</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45.8pt"></TD><TD STYLE="width: 18pt">c)</TD><TD STYLE="text-align: justify">Neither the Company nor the Attorney-in-Fact assumes any liability for the undersigned's responsibility
to comply with the requirements of Section 13 or Section 16 of the Exchange Act or Rule 144, any liability of the undersigned for any
failure to comply with such requirements, or any liability of the undersigned for disgorgement of profits under Section 16(b) of the Exchange
Act; and</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45.8pt"></TD><TD STYLE="width: 18pt">d)</TD><TD STYLE="text-align: justify">This Power of Attorney does not relieve the undersigned from responsibility for compliance with the undersigned's
obligations under Section 13 or Section 16 of the Exchange Act, including, without limitation, the reporting requirements under Section
13 or Section 16 of the Exchange Act.</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">The undersigned hereby grants
to the Attorney-in-Fact full power and authority to do and perform each and every act and thing requisite, necessary or advisable to be
done in connection with the foregoing, as fully, to all intents and purposes, as the undersigned might or could do in person, hereby ratifying
and confirming all that the Attorney-in-Fact, or his or her substitute or substitutes, shall lawfully do or cause to be done by authority
of this Power of Attorney.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">This Power of Attorney shall
remain in full force and effect until the undersigned is no longer required to file Forms 4 or 5 or Schedules 13D or 13G or Forms 144
with respect to the undersigned's holdings of and transactions in securities of the Company, unless earlier revoked by the undersigned
in a signed writing delivered to the Attorney-in-Fact. This Power of Attorney revokes all previous powers of attorney with respect to
the subject matter of this Power of Attorney.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">IN WITNESS WHEREOF, the undersigned
has executed this Power of Attorney as of March 9, 2026.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt">&nbsp;</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; width: 50%; font: 10pt Times New Roman, Times, Serif">/s/ Nathalie Verjus&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><B>Name:</B> Nathalie Verjus</TD></TR>
  </TABLE>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 292.5pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 292.5pt">&nbsp;</P>

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<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">&nbsp;</P>

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