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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2019-12-05 </periodOfReport> |
| <notSubjectToSection16> 1 </notSubjectToSection16> |
| <issuer> |
| | <issuerCik> 0001394319 </issuerCik> |
| | <issuerName> Tracon Pharmaceuticals, Inc. </issuerName> |
| | <issuerTradingSymbol> TCON </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001733439 </rptOwnerCik> |
| | | <rptOwnerName> Puissance Cross-Border Opportunities V LLC </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 950 THIRD AVENUE </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 25TH FL </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001718140 </rptOwnerCik> |
| | | <rptOwnerName> Puissance Cross-Border Opportunities IV LLC </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 950 THIRD AVENUE </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 25TH FL </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001658437 </rptOwnerCik> |
| | | <rptOwnerName> Puissance Capital Management LP </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 950 THIRD AVENUE, 25TH FLOOR </rptOwnerStreet1> |
| | | <rptOwnerStreet2></rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001695347 </rptOwnerCik> |
| | | <rptOwnerName> Puissance Capital Fund (GP) LLC </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 950 THIRD AVENUE </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 25TH FLOOR </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001695339 </rptOwnerCik> |
| | | <rptOwnerName> Puissance Capital Management (GP) LLC </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 950 THIRD AVENUE </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 25TH FLOOR </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001694061 </rptOwnerCik> |
| | | <rptOwnerName> Wang Theodore T </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> C/O PUISSANCE CAPITAL MANAGEMENT LP </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 950 THIRD AVENUE, 25TH FLOOR </rptOwnerStreet2> |
| | | <rptOwnerCity> NEW YORK </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 10022 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 1 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <nonDerivativeTable> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Common Stock </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2019-12-05 </value> |
| </transactionDate> |
| | | <transactionCoding> |
| <transactionFormType> 5 </transactionFormType> |
| <transactionCode> S </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness> |
| <value> E </value> |
| </transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 43996 </value> |
| <footnoteId id="F1"/> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 3.05 </value> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> D </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 416182 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> I </value> |
| <footnoteId id="F2"/> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value> By funds </value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Common Stock </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2019-12-09 </value> |
| </transactionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> S </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness> |
| <value></value> |
| </transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 340134 </value> |
| <footnoteId id="F3"/> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 2.92 </value> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> D </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 76048 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> I </value> |
| <footnoteId id="F4"/> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value> By funds </value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | </nonDerivativeTable> |
| <derivativeTable> |
| | <derivativeHolding> |
| | | <securityTitle> |
| <value> Warrants (right to buy) </value> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 27 </value> |
| </conversionOrExercisePrice> |
| | | <exerciseDate> |
| <value> 2018-03-27 </value> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2024-03-27 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 460178 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 460178 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> I </value> |
| <footnoteId id="F5"/> |
| </directOrIndirectOwnership> |
| <natureOfOwnership> |
| <value> By funds </value> |
| </natureOfOwnership> |
| </ownershipNature> |
| | | </derivativeHolding> |
| | </derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> Puissance Cross-Border Opportunities V LLC made an in-kind distribution of 43,996 shares of common stock. </footnote> |
| | <footnote id="F2"> Consists of: 239,190 Shares directly owned by Puissance Cross-Border Opportunities V LLC; 176,992 Shares directly owned Puissance Cross-Border Opportunities IV LLC. </footnote> |
| | <footnote id="F3"> Puissance Cross-Border Opportunities IV LLC made an in-kind distribution of 176,992 shares of common stock. Puissance Cross-Border Opportunities V LLC made an in-kind distribution of 163,142 shares of common stock. </footnote> |
| | <footnote id="F4"> Consists of: 76,048 Shares directly owned by Puissance Cross-Border Opportunities V LLC. </footnote> |
| | <footnote id="F5"> Consists of: 283,186 Warrants directly owned by Puissance Cross-Border Opportunities V LLC; 176,992 Warrants directly owned Puissance Cross-Border Opportunities IV LLC. </footnote> |
| | </footnotes> |
| <ownerSignature> |
| | <signatureName> Theodore T. Wang </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| <ownerSignature> |
| | <signatureName> Puissance Cross-Border Opportunities V LLC, By: Puissance Capital Fund (GP) LLC, its managing member, By: Theodore T. Wang </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| <ownerSignature> |
| | <signatureName> Puissance Cross-Border Opportunities IV LLC, By: Puissance Capital Fund (GP) LLC, its managing member, By: Theodore T. Wang </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| <ownerSignature> |
| | <signatureName> Puissance Capital Fund (GP) LLC, By: Theodore T. Wang, Managing Member </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| <ownerSignature> |
| | <signatureName> Puissance Capital Management LP, By: Puissance Capital Management (GP) LLC, its general partner, By: Theodore T. Wang, Managing Member </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| <ownerSignature> |
| | <signatureName> Puissance Capital Management (GP) LLC, By: Theodore Wang, Managing Member </signatureName> |
| | <signatureDate> 2019-12-11 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |