<SEC-DOCUMENT>0001493152-24-050503.txt : 20241217
<SEC-HEADER>0001493152-24-050503.hdr.sgml : 20241217
<ACCEPTANCE-DATETIME>20241217193005
ACCESSION NUMBER:		0001493152-24-050503
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241213
FILED AS OF DATE:		20241217
DATE AS OF CHANGE:		20241217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lu Gary
		CENTRAL INDEX KEY:			0001968621
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37863
		FILM NUMBER:		241557300

	MAIL ADDRESS:	
		STREET 1:		12136 AHERN CT
		CITY:			TUSTIN
		STATE:			CA
		ZIP:			92782

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BIOMERICA INC
		CENTRAL INDEX KEY:			0000073290
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				952645573
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0531

	BUSINESS ADDRESS:	
		STREET 1:		17571 VON KARMAN AVENUE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614
		BUSINESS PHONE:		9493792875

	MAIL ADDRESS:	
		STREET 1:		17571 VON KARMAN AVENUE
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92614

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NMS PHARMACEUTICALS INC
		DATE OF NAME CHANGE:	19871130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUCLEAR MEDICAL SYSTEMS INC
		DATE OF NAME CHANGE:	19830216

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NUCLEAR INSTRUMENTS INC
		DATE OF NAME CHANGE:	19720508
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-12-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000073290</issuerCik>
        <issuerName>BIOMERICA INC</issuerName>
        <issuerTradingSymbol>BMRA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001968621</rptOwnerCik>
            <rptOwnerName>Lu Gary</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>17571 VON KARMAN AVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>IRVINE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92614</rptOwnerZipCode>
            <rptOwnerStateDescription></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>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-12-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>155000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.3100</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>155000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares issuable on settlement of restricted stock units (&quot;RSUs&quot;) granted to the reporting person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest over 4 years at 25% on each anniversary of December 13, 2024, provided the reporting person remains in continuous service before the vesting date, subject to accelerated vesting in certain events, including upon certain changes of control of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Gary Lu</signatureName>
        <signatureDate>2024-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
