<SEC-DOCUMENT>0000912282-26-000557.txt : 20260402
<SEC-HEADER>0000912282-26-000557.hdr.sgml : 20260402
<ACCEPTANCE-DATETIME>20260402200502
ACCESSION NUMBER:		0000912282-26-000557
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260331
FILED AS OF DATE:		20260402
DATE AS OF CHANGE:		20260402

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Heinrich Michael
		CENTRAL INDEX KEY:			0002093136
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40397
		FILM NUMBER:		26836416

	MAIL ADDRESS:	
		STREET 1:		C/O FLORA GROWTH CORP.
		STREET 2:		3230 W. COMMERCIAL BLVD., SUITE 180
		CITY:			FORT LAUDERDALE
		STATE:			FL
		ZIP:			33309

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ZeroStack Corp.
		CENTRAL INDEX KEY:			0001790169
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-DRUGS PROPRIETARIES & DRUGGISTS' SUNDRIES [5122]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		40 KING STREET WEST
		STREET 2:		SUITE 2400
		CITY:			TORONTO
		PROVINCE COUNTRY:   	A6
		ZIP:			M5H 3Y2
		BUSINESS PHONE:		416-861-2267

	MAIL ADDRESS:	
		ADDRESS IS A NON US LOCATION: 	YES
		STREET 1:		40 KING STREET WEST
		STREET 2:		SUITE 2400
		CITY:			TORONTO
		PROVINCE COUNTRY:   	A6
		ZIP:			M5H 3Y2

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Flora Growth Corp.
		DATE OF NAME CHANGE:	20191003
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-03-31</periodOfReport>

    <issuer>
        <issuerCik>0001790169</issuerCik>
        <issuerName>ZeroStack Corp.</issuerName>
        <issuerTradingSymbol>ZSTK</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002093136</rptOwnerCik>
            <rptOwnerName>Heinrich Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O ZEROSTACK CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>40 KING STREET W., SUITE 2400</rptOwnerStreet2>
            <rptOwnerCity>TORONTO</rptOwnerCity>
            <rptOwnerNonUSStateTerritory></rptOwnerNonUSStateTerritory>
            <rptOwnerCountry>A6</rptOwnerCountry>
            <rptOwnerZipCode>M5H 3Y2</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Executive Chairman</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Convertible Promissory Note</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.34</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2026-03-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4902220</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2025-10-23</value>
            </exerciseDate>
            <expirationDate>
                <value>2035-09-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4902220</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Zero Gravity Labs Inc., a corporation owned and controlled by the Reporting Person</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">On March 31, 2026, the Issuer entered into a note settlement agreement (the &quot;Note Settlement Agreement&quot;) with Zero Gravity Labs Inc., a Delaware corporation (&quot;0G&quot;) pursuant to which the convertible promissory note (the &quot;Note&quot;) issued to 0G pursuant to the securities purchase agreement dated September 22, 2025, as amended on October 9, 2025, by and between the Issuer and 0G was settled.  The Note Settlement Agreement provides that upon payment by the Issuer to 0G on or before March 31, 2026, of 50,000,000 Tokens (as defined in the Note), the Issuer shall be deemed to have paid the entire Principal (as defined in the Note) and Interest (as defined in the  Note) of the Note in full and the Issuer shall have no further obligations under the Note and the Note shall be deemed to be satisfied.</footnote>
        <footnote id="F2">Represents issuance of convertible promissory note to Zero Gravity Labs Inc., a Delaware corporation owned and controlled by the Reporting Person, in the principal amount of 50,000,000 0G bitcoin tokens.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Dany Vaiman as attorney-in-fact for Michael Heinrich</signatureName>
        <signatureDate>2026-04-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
