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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0306 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2020-04-09 </periodOfReport> |
| <notSubjectToSection16> 0 </notSubjectToSection16> |
| <issuer> |
| | <issuerCik> 0000076267 </issuerCik> |
| | <issuerName> PARK AEROSPACE CORP </issuerName> |
| | <issuerTradingSymbol> PKE </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001622588 </rptOwnerCik> |
| | | <rptOwnerName> Petropoulos Constantine </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 1400 OLD COUNTRY ROAD </rptOwnerStreet1> |
| | | <rptOwnerStreet2> SUITE 409 </rptOwnerStreet2> |
| | | <rptOwnerCity> WESTBURY </rptOwnerCity> |
| | | <rptOwnerState> NY </rptOwnerState> |
| | | <rptOwnerZipCode> 11590 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 0 </isDirector> |
| | | <isOfficer> 1 </isOfficer> |
| | | <isTenPercentOwner> 0 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | <officerTitle> SVP and General Counsel </officerTitle> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <nonDerivativeTable> |
| | <nonDerivativeHolding> |
| | | <securityTitle> |
| <value> Common Stock </value> |
| </securityTitle> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 0 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </nonDerivativeHolding> |
| | </nonDerivativeTable> |
| <derivativeTable> |
| | <derivativeTransaction> |
| | | <securityTitle> |
| <value> Right to buy option </value> |
| <footnoteId id="F1"/> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 12.58 </value> |
| </conversionOrExercisePrice> |
| | | <transactionDate> |
| <value> 2020-04-09 </value> |
| </transactionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> A </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness> |
| <value></value> |
| </transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 8000 </value> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 0 </value> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> A </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <exerciseDate> |
| <value> 2021-04-09 </value> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2030-04-09 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 8000 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 8000 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeTransaction> |
| | <derivativeHolding> |
| | | <securityTitle> |
| <value> Right to buy option </value> |
| <footnoteId id="F1"/> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 12.91 </value> |
| </conversionOrExercisePrice> |
| | | <exerciseDate> |
| <value> 2015-10-15 </value> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2024-10-15 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 10000 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 10000 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeHolding> |
| | <derivativeHolding> |
| | | <securityTitle> |
| <value> Right to buy option </value> |
| <footnoteId id="F1"/> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 6.23 </value> |
| </conversionOrExercisePrice> |
| | | <exerciseDate> |
| <value> 2017-01-12 </value> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2026-01-12 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 12000 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 12000 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeHolding> |
| | <derivativeHolding> |
| | | <securityTitle> |
| <value> Right to buy option </value> |
| <footnoteId id="F1"/> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 15.44 </value> |
| </conversionOrExercisePrice> |
| | | <exerciseDate> |
| <value> 2020-05-07 </value> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2029-05-07 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 10000 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 10000 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeHolding> |
| | </derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> Option is exercisable, commencing on the date indicated, as to 25% of the aggregate number of shares listed and as to an additional 25% of such shares on each of the three succeeding anniversaries of such date. </footnote> |
| | </footnotes> |
| <ownerSignature> |
| | <signatureName> Stephen E. Gilhuley </signatureName> |
| | <signatureDate> 2020-04-21 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |