<SEC-DOCUMENT>0001959173-25-007822.txt : 20251217
<SEC-HEADER>0001959173-25-007822.hdr.sgml : 20251217
<ACCEPTANCE-DATETIME>20251217163042
ACCESSION NUMBER:		0001959173-25-007822
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251217
DATE AS OF CHANGE:		20251217

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PTC THERAPEUTICS, INC.
		CENTRAL INDEX KEY:			0001070081
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				043416587
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-35969
		FILM NUMBER:		251579702

	BUSINESS ADDRESS:	
		STREET 1:		500 WARREN CORPORATE CENTER DRIVE
		CITY:			WARREN
		STATE:			NJ
		ZIP:			07059
		BUSINESS PHONE:		9082227000

	MAIL ADDRESS:	
		STREET 1:		500 WARREN CORPORATE CENTER DRIVE
		CITY:			WARREN
		STATE:			NJ
		ZIP:			07059

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PTC THERAPEUTICS INC
		DATE OF NAME CHANGE:	19980909

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Pauwels Eric
		CENTRAL INDEX KEY:			0001323212
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		550 HILLS DRIVE
		CITY:			BEDMINSTER
		STATE:			NJ
		ZIP:			07921
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001323212</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
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  <formData>
    <issuerInfo>
      <issuerCik>0001070081</issuerCik>
      <issuerName>PTC THERAPEUTICS, INC.</issuerName>
      <secFileNumber>001-35969</secFileNumber>
      <issuerAddress>
        <com:street1>500 WARREN CORPORATE CENTER DRIVE</com:street1>
        <com:city>WARREN</com:city>
        <com:stateOrCountry>NJ</com:stateOrCountry>
        <com:zipCode>07059</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>9082227000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Pauwels Eric</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>40290</noOfUnitsSold>
      <aggregateMarketValue>3038756.38</aggregateMarketValue>
      <noOfUnitsOutstanding>80288305</noOfUnitsOutstanding>
      <approxSaleDate>12/17/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/17/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted - 01/06/2021</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>36606</amountOfSecuritiesAcquired>
      <paymentDate>12/17/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>12/17/2025</acquiredDate>
      <natureOfAcquisitionTransaction>Option Granted - 01/03/2018</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3684</amountOfSecuritiesAcquired>
      <paymentDate>12/17/2025</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>12/17/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>09/15/2025</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Eric Pauwels</signature>
    </noticeSignature>
  </formData>
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</SEC-DOCUMENT>
