<SEC-DOCUMENT>0000912282-26-000679.txt : 20260507
<SEC-HEADER>0000912282-26-000679.hdr.sgml : 20260507
<ACCEPTANCE-DATETIME>20260507092942
ACCESSION NUMBER:		0000912282-26-000679
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260505
FILED AS OF DATE:		20260507
DATE AS OF CHANGE:		20260507

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WOO EDWARD
		CENTRAL INDEX KEY:			0001959239
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40397
		FILM NUMBER:		26951251

	MAIL ADDRESS:	
		STREET 1:		C/O FLORA GROWTH CORP.
		STREET 2:		3230 W. COMMERCIAL BOULEVARD, 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>2026-05-05</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001959239</rptOwnerCik>
            <rptOwnerName>WOO EDWARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>true</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O ZERSTACK CORP.</rptOwnerStreet1>
            <rptOwnerStreet2>40 KING STREET WEST, 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>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director Stock Option (&quot;Right to Buy&quot;)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>5.10</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2026-05-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>35000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2036-05-04</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>35000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The options vest as follows:  1/3 on May 5, 2026; 1/3 on August 30, 2026; 1/3 on December 31, 2026.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Dany Vaiman as attorney-in-fact for Edward Woo</signatureName>
        <signatureDate>2026-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
