<SEC-DOCUMENT>0001127602-17-016874.txt : 20170504 <SEC-HEADER>0001127602-17-016874.hdr.sgml : 20170504 <ACCEPTANCE-DATETIME>20170504164519 ACCESSION NUMBER: 0001127602-17-016874 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20170502 FILED AS OF DATE: 20170504 DATE AS OF CHANGE: 20170504 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Knowles Corp CENTRAL INDEX KEY: 0001587523 STANDARD INDUSTRIAL CLASSIFICATION: HOUSEHOLD AUDIO & VIDEO EQUIPMENT [3651] IRS NUMBER: 901002689 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 BUSINESS PHONE: 630-250-5100 MAIL ADDRESS: STREET 1: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Eul Hermann CENTRAL INDEX KEY: 0001647225 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36102 FILM NUMBER: 17814756 MAIL ADDRESS: STREET 1: C/O KNOWLES CORPORATION STREET 2: 1151 MAPLEWOOD DRIVE CITY: ITASCA STATE: IL ZIP: 60143 </SEC-HEADER> <DOCUMENT> <TYPE>4 <SEQUENCE>1 <FILENAME>form4.xml <DESCRIPTION>PRIMARY DOCUMENT <TEXT> <XML> <?xml version="1.0"?> <ownershipDocument> <schemaVersion>X0306</schemaVersion> <documentType>4</documentType> <periodOfReport>2017-05-02</periodOfReport> <issuer> <issuerCik>0001587523</issuerCik> <issuerName>Knowles Corp</issuerName> <issuerTradingSymbol>KN</issuerTradingSymbol> </issuer> <reportingOwner> <reportingOwnerId> <rptOwnerCik>0001647225</rptOwnerCik> <rptOwnerName>Eul Hermann</rptOwnerName> </reportingOwnerId> <reportingOwnerAddress> <rptOwnerStreet1>C/O KNOWLES CORPORATION</rptOwnerStreet1> <rptOwnerStreet2>1151 MAPLEWOOD DR.</rptOwnerStreet2> <rptOwnerCity>ITASCA</rptOwnerCity> <rptOwnerState>IL</rptOwnerState> <rptOwnerZipCode>60143</rptOwnerZipCode> <rptOwnerStateDescription></rptOwnerStateDescription> </reportingOwnerAddress> <reportingOwnerRelationship> <isDirector>1</isDirector> </reportingOwnerRelationship> </reportingOwner> <nonDerivativeTable> <nonDerivativeTransaction> <securityTitle> <value>Common Stock</value> </securityTitle> <transactionDate> <value>2017-05-02</value> </transactionDate> <transactionCoding> <transactionFormType>4</transactionFormType> <transactionCode>A</transactionCode> <equitySwapInvolved>0</equitySwapInvolved> <footnoteId id="F1"/> </transactionCoding> <transactionTimeliness></transactionTimeliness> <transactionAmounts> <transactionShares> <value>9687</value> </transactionShares> <transactionPricePerShare> <value>17.55</value> </transactionPricePerShare> <transactionAcquiredDisposedCode> <value>A</value> </transactionAcquiredDisposedCode> </transactionAmounts> <postTransactionAmounts> <sharesOwnedFollowingTransaction> <value>31694</value> </sharesOwnedFollowingTransaction> </postTransactionAmounts> <ownershipNature> <directOrIndirectOwnership> <value>D</value> </directOrIndirectOwnership> </ownershipNature> </nonDerivativeTransaction> </nonDerivativeTable> <footnotes> <footnote id="F1">Annual director restricted stock unit grant issued pursuant to the Knowles Corporation 2016 Equity and Cash Incentive Plan. The RSUs will convert into common stock on a one-for-one basis and vest on May 2, 2018.</footnote> </footnotes> <ownerSignature> <signatureName>/s/ Mark Pacioni, attorney-in-fact</signatureName> <signatureDate>2017-05-04</signatureDate> </ownerSignature> </ownershipDocument> </XML> </TEXT> </DOCUMENT> </SEC-DOCUMENT>