<SEC-DOCUMENT>0001140361-15-006017.txt : 20150212 <SEC-HEADER>0001140361-15-006017.hdr.sgml : 20150212 <ACCEPTANCE-DATETIME>20150212170217 ACCESSION NUMBER: 0001140361-15-006017 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20150210 FILED AS OF DATE: 20150212 DATE AS OF CHANGE: 20150212 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Tronox Ltd CENTRAL INDEX KEY: 0001530804 STANDARD INDUSTRIAL CLASSIFICATION: INDUSTRIAL INORGANIC CHEMICALS [2810] IRS NUMBER: 981026700 BUSINESS ADDRESS: STREET 1: 1 BRODIE HALL DRIVE CITY: TECHNOLOGY PARK, BENTLEY STATE: C3 ZIP: 6102 BUSINESS PHONE: (405) 775-5000 MAIL ADDRESS: STREET 1: 1 BRODIE HALL DRIVE CITY: TECHNOLOGY PARK, BENTLEY STATE: C3 ZIP: 6102 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Mahoney Kevin V CENTRAL INDEX KEY: 0001380009 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35573 FILM NUMBER: 15607255 MAIL ADDRESS: STREET 1: 199 BENSON ROAD CITY: MIDDLEBURY STATE: CT ZIP: 06749 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>doc1.xml <DESCRIPTION>FORM 4 <TEXT> <XML> <?xml version="1.0"?> <ownershipDocument> <schemaVersion>X0306</schemaVersion> <documentType>4</documentType> <periodOfReport>2015-02-10</periodOfReport> <notSubjectToSection16>0</notSubjectToSection16> <issuer> <issuerCik>0001530804</issuerCik> <issuerName>Tronox Ltd</issuerName> <issuerTradingSymbol>TROX</issuerTradingSymbol> </issuer> <reportingOwner> <reportingOwnerId> <rptOwnerCik>0001380009</rptOwnerCik> <rptOwnerName>Mahoney Kevin V</rptOwnerName> </reportingOwnerId> <reportingOwnerAddress> <rptOwnerStreet1>ONE STAMFORD PLAZA</rptOwnerStreet1> <rptOwnerStreet2>263 TRESSER BLVD. SUITE 1100</rptOwnerStreet2> <rptOwnerCity>STAMFORD</rptOwnerCity> <rptOwnerState>CT</rptOwnerState> <rptOwnerZipCode>06901</rptOwnerZipCode> <rptOwnerStateDescription></rptOwnerStateDescription> </reportingOwnerAddress> <reportingOwnerRelationship> <isDirector>0</isDirector> <isOfficer>1</isOfficer> <isTenPercentOwner>0</isTenPercentOwner> <isOther>0</isOther> <officerTitle>Vice President, Controller</officerTitle> <otherText></otherText> </reportingOwnerRelationship> </reportingOwner> <nonDerivativeTable> <nonDerivativeTransaction> <securityTitle> <value>Common Stock Class A</value> </securityTitle> <transactionDate> <value>2015-02-10</value> </transactionDate> <deemedExecutionDate></deemedExecutionDate> <transactionCoding> <transactionFormType>4</transactionFormType> <transactionCode>F</transactionCode> <equitySwapInvolved>0</equitySwapInvolved> <footnoteId id="F1"/> </transactionCoding> <transactionAmounts> <transactionShares> <value>1237</value> </transactionShares> <transactionPricePerShare> <value>20.99</value> </transactionPricePerShare> <transactionAcquiredDisposedCode> <value>D</value> </transactionAcquiredDisposedCode> </transactionAmounts> <postTransactionAmounts> <sharesOwnedFollowingTransaction> <value>29743</value> </sharesOwnedFollowingTransaction> </postTransactionAmounts> <ownershipNature> <directOrIndirectOwnership> <value>D</value> </directOrIndirectOwnership> </ownershipNature> </nonDerivativeTransaction> </nonDerivativeTable> <derivativeTable> <derivativeHolding> <securityTitle> <value>Common Stock Options (right to buy)</value> </securityTitle> <conversionOrExercisePrice> <value>19.09</value> </conversionOrExercisePrice> <exerciseDate> <footnoteId id="F2"/> </exerciseDate> <expirationDate> <value>2023-02-25</value> </expirationDate> <underlyingSecurity> <underlyingSecurityTitle> <value>Class A Common Stock</value> </underlyingSecurityTitle> <underlyingSecurityShares> <value>26050</value> <footnoteId id="F2"/> </underlyingSecurityShares> </underlyingSecurity> <postTransactionAmounts> <sharesOwnedFollowingTransaction> <value>26050</value> </sharesOwnedFollowingTransaction> </postTransactionAmounts> <ownershipNature> <directOrIndirectOwnership> <value>D</value> </directOrIndirectOwnership> </ownershipNature> </derivativeHolding> <derivativeHolding> <securityTitle> <value>Common Stock Options (right to buy)</value> </securityTitle> <conversionOrExercisePrice> <value>21.98</value> </conversionOrExercisePrice> <exerciseDate> <footnoteId id="F3"/> </exerciseDate> <expirationDate> <value>2024-02-10</value> </expirationDate> <underlyingSecurity> <underlyingSecurityTitle> <value>Class A Common Stock</value> </underlyingSecurityTitle> <underlyingSecurityShares> <value>10231</value> <footnoteId id="F3"/> </underlyingSecurityShares> </underlyingSecurity> <postTransactionAmounts> <sharesOwnedFollowingTransaction> <value>10231</value> </sharesOwnedFollowingTransaction> </postTransactionAmounts> <ownershipNature> <directOrIndirectOwnership> <value>D</value> </directOrIndirectOwnership> </ownershipNature> </derivativeHolding> </derivativeTable> <footnotes> <footnote id="F1">The Company withheld 1,237 shares to satisfy withholding tax obligations and Mr. Mahoney received the balance of 1,905 shares of previously granted restricted common stock.</footnote> <footnote id="F2">As reported on Form 4 filed 10/11/2013, the options vest in three equal installments on the anniversary date of the grant.</footnote> <footnote id="F3">As reported on Form 4 filed 2/12/2014, the options vest in three equal installments on the anniversary date of the grant.</footnote> </footnotes> <remarks></remarks> <ownerSignature> <signatureName>Richard L. Muglia, as attorney-in-fact</signatureName> <signatureDate>2015-02-12</signatureDate> </ownerSignature> </ownershipDocument> </XML> </TEXT> </DOCUMENT> </SEC-DOCUMENT>