<SEC-DOCUMENT>0000947871-25-000679.txt : 20250721
<SEC-HEADER>0000947871-25-000679.hdr.sgml : 20250721
<ACCEPTANCE-DATETIME>20250721173310
ACCESSION NUMBER:		0000947871-25-000679
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250721
DATE AS OF CHANGE:		20250721

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Passage BIO, Inc.
		CENTRAL INDEX KEY:			0001787297
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				822729751
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-39231
		FILM NUMBER:		251138173

	BUSINESS ADDRESS:	
		STREET 1:		ONE COMMERCE SQUARE
		STREET 2:		2005 MARKET STREET, 39TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		2678660312

	MAIL ADDRESS:	
		STREET 1:		ONE COMMERCE SQUARE
		STREET 2:		2005 MARKET STREET, 39TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBIMED ADVISORS LLC
		CENTRAL INDEX KEY:			0001055951
		ORGANIZATION NAME:           	
		EIN:				133976876
		STATE OF INCORPORATION:			DE

	FILING VALUES:
		FORM TYPE:		144

	BUSINESS ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		(212) 739-6400

	MAIL ADDRESS:	
		STREET 1:		601 LEXINGTON AVENUE
		STREET 2:		54TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <submissionType>144</submissionType>
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      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: ORBIMED ADVISORS LLC -->
          <cik>0001055951</cik>
          <ccc>XXXXXXXX</ccc>
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      <liveTestFlag>LIVE</liveTestFlag>



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  <formData>
    <issuerInfo>
      <issuerCik>0001787297</issuerCik>
      <issuerName>Passage BIO, Inc.</issuerName>
      <secFileNumber>001-39231</secFileNumber>
      <issuerAddress>
        <com:street1>One Commerce Square</com:street1>
        <com:street2>2005 Market Street, 39th Floor</com:street2>
        <com:city>Philadelphia</com:city>
        <com:stateOrCountry>PA</com:stateOrCountry>
        <com:zipCode>19103</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>267-866-0312</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>OrbiMed Private Investments VII, LP</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Themis Trading LLC</name>
        <address>
          <com:street1>10 Town Square</com:street1>
          <com:street2>Suite 100</com:street2>
          <com:city>Chatham</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>07928</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>132645</noOfUnitsSold>
      <aggregateMarketValue>737506.20</aggregateMarketValue>
      <noOfUnitsOutstanding>3120295</noOfUnitsOutstanding>
      <approxSaleDate>07/21/2025</approxSaleDate>
      <securitiesExchangeName>Nasdaq Stock Market</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <acquiredDate>03/03/2020</acquiredDate>
      <natureOfAcquisitionTransaction>IPO</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>132645</amountOfSecuritiesAcquired>
      <paymentDate>03/03/2020</paymentDate>
      <natureOfPayment>N/A</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>04/22/2025</saleDate>
      <amountOfSecuritiesSold>78049</amountOfSecuritiesSold>
      <grossProceeds>26537.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>04/23/2025</saleDate>
      <amountOfSecuritiesSold>89328</amountOfSecuritiesSold>
      <grossProceeds>30372.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>04/24/2025</saleDate>
      <amountOfSecuritiesSold>68195</amountOfSecuritiesSold>
      <grossProceeds>21822.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>06/24/2025</saleDate>
      <amountOfSecuritiesSold>231600</amountOfSecuritiesSold>
      <grossProceeds>81060.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>06/25/2025</saleDate>
      <amountOfSecuritiesSold>138800</amountOfSecuritiesSold>
      <grossProceeds>45804.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>06/26/2025</saleDate>
      <amountOfSecuritiesSold>213257</amountOfSecuritiesSold>
      <grossProceeds>70374.81</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>06/27/2025</saleDate>
      <amountOfSecuritiesSold>11043</amountOfSecuritiesSold>
      <grossProceeds>3754.62</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/07/2025</saleDate>
      <amountOfSecuritiesSold>23960</amountOfSecuritiesSold>
      <grossProceeds>11500.80</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/08/2025</saleDate>
      <amountOfSecuritiesSold>50700</amountOfSecuritiesSold>
      <grossProceeds>21801.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/09/2025</saleDate>
      <amountOfSecuritiesSold>57106</amountOfSecuritiesSold>
      <grossProceeds>25126.64</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/10/2025</saleDate>
      <amountOfSecuritiesSold>127234</amountOfSecuritiesSold>
      <grossProceeds>50893.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/15/2025</saleDate>
      <amountOfSecuritiesSold>3700</amountOfSecuritiesSold>
      <grossProceeds>25049.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/16/2025</saleDate>
      <amountOfSecuritiesSold>20048</amountOfSecuritiesSold>
      <grossProceeds>117481.28</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/17/2025</saleDate>
      <amountOfSecuritiesSold>22188</amountOfSecuritiesSold>
      <grossProceeds>129356.04</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>OrbiMed Private Investments VII, LP</name>
        <address>
          <com:street1>601 Lexington Ave., 54th Floor</com:street1>
          <com:city>New York</com:city>
          <com:stateOrCountry>NY</com:stateOrCountry>
          <com:zipCode>10022</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common Stock</securitiesClassTitle>
      <saleDate>07/18/2025</saleDate>
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      <grossProceeds>41934.90</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>OrbiMed Capital GP VII LLC is the general partner of OrbiMed Private Investments VII, LP. OrbiMed Advisors LLC is the managing member of OrbiMed Capital GP VII LLC. All sales of securities listed on this Form 144 made prior to July 14, 2025 reflect share amounts prior to the 1-for-20 reverse stock split that was effectuated by the Issuer on July 14, 2025.</remarks>
    <noticeSignature>
      <noticeDate>07/21/2025</noticeDate>
      <signature>/s/ Douglas Coon, Chief Compliance Officer, OrbiMed Advisors LLC, managing member of the general partner of OrbiMed Private Investments VII, LP</signature>
    </noticeSignature>
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</SEC-DOCUMENT>
