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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2020-01-09 </periodOfReport> |
| <notSubjectToSection16> 0 </notSubjectToSection16> |
| <issuer> |
| | <issuerCik> 0001596993 </issuerCik> |
| | <issuerName> DORIAN LPG LTD. </issuerName> |
| | <issuerTradingSymbol> LPG </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001638233 </rptOwnerCik> |
| | | <rptOwnerName> Young Theodore B. </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> C/O DORIAN LPG (USA) LLC </rptOwnerStreet1> |
| | | <rptOwnerStreet2> 27 SIGNAL ROAD </rptOwnerStreet2> |
| | | <rptOwnerCity> STAMFORD </rptOwnerCity> |
| | | <rptOwnerState> CT </rptOwnerState> |
| | | <rptOwnerZipCode> 06902 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 1 </isOfficer> |
| | | <isTenPercentOwner> 0 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | <officerTitle> Chief Financial Officer </officerTitle> |
| | | <otherText></otherText> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <nonDerivativeTable> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Common Shares, $0.01 par value per share </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2020-01-09 </value> |
| </transactionDate> |
| | | <deemedExecutionDate></deemedExecutionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> S </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness></transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 3000 </value> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 15.3321 </value> |
| <footnoteId id="F1"/> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> D </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 120691 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | </nonDerivativeTable> |
| <footnotes> |
| | <footnote id="F1"> The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.1453 to $15.5000. The reporting person undertakes to provide Dorian LPG Ltd., any security holder of Dorian LPG Ltd., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth herein. </footnote> |
| | </footnotes> |
| <ownerSignature> |
| | <signatureName> By: /s/ Theodore B. Young </signatureName> |
| | <signatureDate> 2020-01-13 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |