<SEC-DOCUMENT>0001079973-26-000039.txt : 20260106
<SEC-HEADER>0001079973-26-000039.hdr.sgml : 20260106
<ACCEPTANCE-DATETIME>20260106163002
ACCESSION NUMBER:		0001079973-26-000039
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260102
FILED AS OF DATE:		20260106
DATE AS OF CHANGE:		20260106

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carter Robert Ross
		CENTRAL INDEX KEY:			0002039341
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39248
		FILM NUMBER:		26512024

	MAIL ADDRESS:	
		STREET 1:		18000 STUDEBAKER ROAD, SUITE 800
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90703

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Oncology Institute, Inc.
		CENTRAL INDEX KEY:			0001799191
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-OFFICES & CLINICS OF DOCTORS OF MEDICINE [8011]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				843562323
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		18000 STUDEBAKER RD
		STREET 2:		SUITE 800
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90703
		BUSINESS PHONE:		562-735-3226

	MAIL ADDRESS:	
		STREET 1:		18000 STUDEBAKER RD
		STREET 2:		SUITE 800
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DFP HEALTHCARE ACQUISITIONS CORP.
		DATE OF NAME CHANGE:	20200108
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2026-01-02</periodOfReport>

    <dateOfOriginalSubmission>2026-01-05</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001799191</issuerCik>
        <issuerName>Oncology Institute, Inc.</issuerName>
        <issuerTradingSymbol>TOI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002039341</rptOwnerCik>
            <rptOwnerName>Carter Robert Ross</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O THE ONCOLOGY INSTITUTE INC.</rptOwnerStreet1>
            <rptOwnerStreet2>18000 STUDEBAKER RD #800</rptOwnerStreet2>
            <rptOwnerCity>CERRITOS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90703</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>2026-01-02</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>244</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.67</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>235125</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The Issuer executed the sale to cover the tax liabilities arising from the vesting of an RSU award on January 1, 2026.</footnote>
    </footnotes>

    <remarks>This amended Form 4 is being filed to correct the Transaction Code, number of shares sold and sale price as reflected in the original filing made on January 5, 2026.</remarks>

    <ownerSignature>
        <signatureName>/s/ Mark Hueppelsheuser, Attorney-in-fact for Robert Carter</signatureName>
        <signatureDate>2026-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
