<SEC-DOCUMENT>0001179110-20-011991.txt : 20201216
<SEC-HEADER>0001179110-20-011991.hdr.sgml : 20201216
<ACCEPTANCE-DATETIME>20201216160908
ACCESSION NUMBER:		0001179110-20-011991
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201214
FILED AS OF DATE:		20201216
DATE AS OF CHANGE:		20201216

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Reeve Emma
		CENTRAL INDEX KEY:			0001680329

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35969
		FILM NUMBER:		201392525

	MAIL ADDRESS:	
		STREET 1:		C/O PAREXEL INTERNATIONAL CORPORATION
		STREET 2:		195 WEST STREET
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

ISSUER:		

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

	BUSINESS ADDRESS:	
		STREET 1:		100 CORPORATE COURT
		CITY:			SOUTH PLAINFIELD
		STATE:			NJ
		ZIP:			07080-2449
		BUSINESS PHONE:		9082227000

	MAIL ADDRESS:	
		STREET 1:		100 CORPORATE COURT
		CITY:			SOUTH PLAINFIELD
		STATE:			NJ
		ZIP:			07080-2449

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PTC THERAPEUTICS INC
		DATE OF NAME CHANGE:	19980909
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
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    <periodOfReport>2020-12-14</periodOfReport>

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        <issuerName>PTC THERAPEUTICS, INC.</issuerName>
        <issuerTradingSymbol>PTCT</issuerTradingSymbol>
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            <rptOwnerName>Reeve Emma</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
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            <rptOwnerStreet2>100 CORPORATE COURT</rptOwnerStreet2>
            <rptOwnerCity>SOUTH PLAINFIELD</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07080</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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            <otherText></otherText>
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            <transactionDate>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.02</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-12-14</value>
            </transactionDate>
            <transactionCoding>
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                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
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                    <value>1000</value>
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                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2029-01-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
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                    <value>D</value>
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            <conversionOrExercisePrice>
                <value>33.02</value>
            </conversionOrExercisePrice>
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                <value>2020-12-14</value>
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                <transactionAcquiredDisposedCode>
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            <expirationDate>
                <value>2029-01-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>972</value>
                </underlyingSecurityShares>
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                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>33.63</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-12-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
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                <directOrIndirectOwnership>
                    <value>D</value>
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            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
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                <value>33.63</value>
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            <exerciseDate>
                <footnoteId id="F2"/>
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            <expirationDate>
                <value>2028-12-13</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <sharesOwnedFollowingTransaction>
                    <value>1167</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>51.16</value>
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            <exerciseDate>
                <footnoteId id="F4"/>
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            <expirationDate>
                <value>2030-01-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
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                    <value>D</value>
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        </derivativeHolding>
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    <footnotes>
        <footnote id="F1">This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the Reporting Person on August 29, 2020.</footnote>
        <footnote id="F2">Currently exercisable.</footnote>
        <footnote id="F3">This option award vests in thirty-six approximately equal monthly installments, commencing on January 14, 2019 and continuing on each successive monthly anniversary of thereafter, ending on the third year anniversary of the grant date.</footnote>
        <footnote id="F4">This option was granted on January 29, 2020 and vests over one year in twelve equal monthly installments, commencing on February 29, 2020.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Avraham S. Adler, attorney-in-fact</signatureName>
        <signatureDate>2020-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
