<SEC-DOCUMENT>0001178937-23-000016.txt : 20230815
<SEC-HEADER>0001178937-23-000016.hdr.sgml : 20230815
<ACCEPTANCE-DATETIME>20230815183235
ACCESSION NUMBER:		0001178937-23-000016
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20230815
DATE AS OF CHANGE:		20230815

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Disc Medicine, Inc.
		CENTRAL INDEX KEY:			0001816736
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				851613057
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-39438
		FILM NUMBER:		231176070

	BUSINESS ADDRESS:	
		STREET 1:		321 ARSENAL STREET, SUITE 101
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472
		BUSINESS PHONE:		(617) 674-9274

	MAIL ADDRESS:	
		STREET 1:		321 ARSENAL STREET, SUITE 101
		CITY:			WATERTOWN
		STATE:			MA
		ZIP:			02472

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Gemini Therapeutics, Inc. /DE
		DATE OF NAME CHANGE:	20210209

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FS Development Corp.
		DATE OF NAME CHANGE:	20200702

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Atlas Venture Opportunity Fund I, L.P.
		CENTRAL INDEX KEY:			0001759241
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		STREET 1:		400 TECHNOLOGY SQUARE, 10TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
		BUSINESS PHONE:		857-201-2700

	MAIL ADDRESS:	
		STREET 1:		400 TECHNOLOGY SQUARE, 10TH FLOOR
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001759241</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
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      <liveTestFlag>LIVE</liveTestFlag>



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  <formData>
    <issuerInfo>
      <issuerCik>0001816736</issuerCik>
      <issuerName>Disc Medicine, Inc.</issuerName>
      <secFileNumber>001-39438</secFileNumber>
      <issuerAddress>
        <com:street1>321 ARSENAL STREET, SUITE 101</com:street1>
        <com:city>WATERTOWN</com:city>
        <com:stateOrCountry>MA</com:stateOrCountry>
        <com:zipCode>02472</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>(617) 674-9274</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Atlas Venture Opportunity Fund I, L.P.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Equity</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>BTIG, LLC</name>
        <address>
          <com:street1>600 Montgomery Street</com:street1>
          <com:street2>6th Floor</com:street2>
          <com:city>San Francisco</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94111</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>72931</noOfUnitsSold>
      <aggregateMarketValue>3821584.40</aggregateMarketValue>
      <noOfUnitsOutstanding>22877552</noOfUnitsOutstanding>
      <approxSaleDate>08/15/2023</approxSaleDate>
      <securitiesExchangeName>Nasdaq</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>08/21/2020</acquiredDate>
      <natureOfAcquisitionTransaction>Private Placement</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>72931</amountOfSecuritiesAcquired>
      <paymentDate>08/21/2020</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Atlas Venture Fund X, LP</name>
        <address>
          <com:street1>300 Technology Square</com:street1>
          <com:street2>8th Floor</com:street2>
          <com:city>Cambridge</com:city>
          <com:stateOrCountry>MA</com:stateOrCountry>
          <com:zipCode>02139</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>08/14/2023</saleDate>
      <amountOfSecuritiesSold>175000</amountOfSecuritiesSold>
      <grossProceeds>9203687.50</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/15/2023</noticeDate>
      <signature>/s/ Ommer Chohan</signature>
    </noticeSignature>
  </formData>
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</SEC-DOCUMENT>
