<SEC-DOCUMENT>0001853815-26-000002.txt : 20260512
<SEC-HEADER>0001853815-26-000002.hdr.sgml : 20260512
<ACCEPTANCE-DATETIME>20260512163025
ACCESSION NUMBER:		0001853815-26-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260509
FILED AS OF DATE:		20260512
DATE AS OF CHANGE:		20260512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Greenwood Luba
		CENTRAL INDEX KEY:			0001853815
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39692
		FILM NUMBER:		26969118

	MAIL ADDRESS:	
		STREET 1:		C/O BROOKLYN IMMUNOTHERAPEUTICS LLC
		STREET 2:		140 58TH STREET, BUILDING A, SUITE 2100
		CITY:			BROOKLYN
		STATE:			NY
		ZIP:			11220

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IN8BIO, INC.
		CENTRAL INDEX KEY:			0001740279
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				825462585
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		EMPIRE STATE BUILDING
		STREET 2:		350 5TH AVENUE, SUITE 5330
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10118
		BUSINESS PHONE:		(646) 600-6438

	MAIL ADDRESS:	
		STREET 1:		EMPIRE STATE BUILDING
		STREET 2:		350 5TH AVENUE, SUITE 5330
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10118

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Incysus Therapeutics, Inc.
		DATE OF NAME CHANGE:	20180510
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4-05122026_040512.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0609</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-05-09</periodOfReport>

    <issuer>
        <issuerCik>0001740279</issuerCik>
        <issuerName>IN8BIO, INC.</issuerName>
        <issuerTradingSymbol>INAB</issuerTradingSymbol>
        <issuerForeignTradingSymbol></issuerForeignTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001853815</rptOwnerCik>
            <rptOwnerName>Greenwood Luba</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerNonUSAddressFlag>false</rptOwnerNonUSAddressFlag>
            <rptOwnerStreet1>C/O IN8BIO, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>350 5TH AVE. SUITE 5330</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10118</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>1.58</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2026-05-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>22000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2036-05-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>22000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">One twelfth (1/12th) of the shares subject to the option shall vest in equal monthly installments commencing on June 9, 2026; provided, however, that the option will in any case be fully vested on the date of the Company's next annual meeting of stockholders, subject to the Reporting Person continuing to provide service through each such date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ William Ho, Attorney-in-Fact</signatureName>
        <signatureDate>2026-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
