<SEC-DOCUMENT>0001610717-24-000474.txt : 20240911
<SEC-HEADER>0001610717-24-000474.hdr.sgml : 20240911
<ACCEPTANCE-DATETIME>20240911210449
ACCESSION NUMBER:		0001610717-24-000474
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240911
DATE AS OF CHANGE:		20240911

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IO Biotech, Inc.
		CENTRAL INDEX KEY:			0001865494
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		IRS NUMBER:				870909276
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-41008
		FILM NUMBER:		241293749

	BUSINESS ADDRESS:	
		STREET 1:		OLE MAALOES VEH 3
		CITY:			COPENHAGEN
		STATE:			G7
		ZIP:			2200
		BUSINESS PHONE:		4570702980

	MAIL ADDRESS:	
		STREET 1:		OLE MAALOES VEH 3
		CITY:			COPENHAGEN
		STATE:			G7
		ZIP:			2200

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Novo Holdings A/S
		CENTRAL INDEX KEY:			0001388325
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			G7
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		STREET 1:		TUBORG HAVNEVEJ 19
		CITY:			HELLERUP
		STATE:			G7
		ZIP:			2900
		BUSINESS PHONE:		45 8824 8824

	MAIL ADDRESS:	
		STREET 1:		TUBORG HAVNEVEJ 19
		CITY:			HELLERUP
		STATE:			G7
		ZIP:			2900

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Novo A/S
		DATE OF NAME CHANGE:	20070130
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001388325</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>



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      <issuerCik>0001865494</issuerCik>
      <issuerName>IO Biotech, Inc.</issuerName>
      <secFileNumber>001-41008</secFileNumber>
      <issuerAddress>
        <com:street1>OLE MAALOES VEH 3</com:street1>
        <com:city>COPENHAGEN</com:city>
        <com:stateOrCountry>G7</com:stateOrCountry>
        <com:zipCode>2200</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>4570702980</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Novo Holdings A/S</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Morgan Stanley &amp; Co. LLC</name>
        <address>
          <com:street1>1585 Broadway</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10036</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1000000</noOfUnitsSold>
      <aggregateMarketValue>844000.00</aggregateMarketValue>
      <noOfUnitsOutstanding>65880914</noOfUnitsOutstanding>
      <approxSaleDate>09/11/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQGS</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>11/09/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Initial Public Offering</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>IO Biotech, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>614097</amountOfSecuritiesAcquired>
      <paymentDate>11/09/2021</paymentDate>
      <natureOfPayment>Conversion of Series B Preferred Stock</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>11/09/2021</acquiredDate>
      <natureOfAcquisitionTransaction>Initial Public Offering</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>IO Biotech, Inc.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>946217</amountOfSecuritiesAcquired>
      <paymentDate>11/09/2021</paymentDate>
      <natureOfPayment>Conversion of Series C Preferred Stock</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Novo Holdings A/S</name>
        <address>
          <com:street1>Tuborg Havnevej 19</com:street1>
          <com:city>Hellerup</com:city>
          <com:stateOrCountry>G7</com:stateOrCountry>
          <com:zipCode>2900</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/25/2024</saleDate>
      <amountOfSecuritiesSold>51522</amountOfSecuritiesSold>
      <grossProceeds>68338.78</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Novo Holdings A/S</name>
        <address>
          <com:street1>Tuborg Havnevej 19</com:street1>
          <com:city>Hellerup</com:city>
          <com:stateOrCountry>G7</com:stateOrCountry>
          <com:zipCode>2900</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/26/2024</saleDate>
      <amountOfSecuritiesSold>23478</amountOfSecuritiesSold>
      <grossProceeds>30786.70</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>09/11/2024</noticeDate>
      <signature>/s/ Barbara Fiorini Due, General Counsel, Finance &amp; Operations</signature>
    </noticeSignature>
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</SEC-DOCUMENT>
