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<?xml version="1.0" encoding="windows-1252"?> |
<ownershipDocument> |
| <schemaVersion> X0407 </schemaVersion> |
| <documentType> 4 </documentType> |
| <periodOfReport> 2023-03-16 </periodOfReport> |
| <notSubjectToSection16> 0 </notSubjectToSection16> |
| <issuer> |
| | <issuerCik> 0001325964 </issuerCik> |
| | <issuerName> Lightwave Logic, Inc. </issuerName> |
| | <issuerTradingSymbol> LWLG </issuerTradingSymbol> |
| | </issuer> |
| <reportingOwner> |
| | <reportingOwnerId> |
| | | <rptOwnerCik> 0001182380 </rptOwnerCik> |
| | | <rptOwnerName> LEONBERGER FREDERICK J </rptOwnerName> |
| | | </reportingOwnerId> |
| | <reportingOwnerAddress> |
| | | <rptOwnerStreet1> 369 INVERNESS PARKWAY </rptOwnerStreet1> |
| | | <rptOwnerStreet2> SUITE 350 </rptOwnerStreet2> |
| | | <rptOwnerCity> ENGLEWOOD </rptOwnerCity> |
| | | <rptOwnerState> CO </rptOwnerState> |
| | | <rptOwnerZipCode> 80112 </rptOwnerZipCode> |
| | | <rptOwnerStateDescription></rptOwnerStateDescription> |
| | | </reportingOwnerAddress> |
| | <reportingOwnerRelationship> |
| | | <isDirector> 1 </isDirector> |
| | | <isOfficer> 0 </isOfficer> |
| | | <isTenPercentOwner> 0 </isTenPercentOwner> |
| | | <isOther> 0 </isOther> |
| | | <officerTitle></officerTitle> |
| | | <otherText></otherText> |
| | | </reportingOwnerRelationship> |
| | </reportingOwner> |
| <aff10b5One> 0 </aff10b5One> |
| <nonDerivativeTable> |
| | <nonDerivativeTransaction> |
| | | <securityTitle> |
| <value> Common Stock </value> |
| </securityTitle> |
| | | <transactionDate> |
| <value> 2023-03-16 </value> |
| </transactionDate> |
| | | <deemedExecutionDate></deemedExecutionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> A </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness></transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 23946 </value> |
| <footnoteId id="F1"/> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 0 </value> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> A </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 154128 </value> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </nonDerivativeTransaction> |
| | </nonDerivativeTable> |
| <derivativeTable> |
| | <derivativeTransaction> |
| | | <securityTitle> |
| <value> Employee Stock Option (Right to Buy) </value> |
| </securityTitle> |
| | | <conversionOrExercisePrice> |
| <value> 5.22 </value> |
| </conversionOrExercisePrice> |
| | | <transactionDate> |
| <value> 2023-03-16 </value> |
| </transactionDate> |
| | | <deemedExecutionDate></deemedExecutionDate> |
| | | <transactionCoding> |
| <transactionFormType> 4 </transactionFormType> |
| <transactionCode> A </transactionCode> |
| <equitySwapInvolved> 0 </equitySwapInvolved> |
| </transactionCoding> |
| | | <transactionTimeliness></transactionTimeliness> |
| | | <transactionAmounts> |
| <transactionShares> |
| <value> 125000 </value> |
| <footnoteId id="F2"/> |
| </transactionShares> |
| <transactionPricePerShare> |
| <value> 0 </value> |
| </transactionPricePerShare> |
| <transactionAcquiredDisposedCode> |
| <value> A </value> |
| </transactionAcquiredDisposedCode> |
| </transactionAmounts> |
| | | <exerciseDate> |
| <footnoteId id="F2"/> |
| </exerciseDate> |
| | | <expirationDate> |
| <value> 2033-03-15 </value> |
| </expirationDate> |
| | | <underlyingSecurity> |
| <underlyingSecurityTitle> |
| <value> Common Stock </value> |
| </underlyingSecurityTitle> |
| <underlyingSecurityShares> |
| <value> 125000 </value> |
| </underlyingSecurityShares> |
| </underlyingSecurity> |
| | | <postTransactionAmounts> |
| <sharesOwnedFollowingTransaction> |
| <value> 1024000 </value> |
| <footnoteId id="F3"/> |
| </sharesOwnedFollowingTransaction> |
| </postTransactionAmounts> |
| | | <ownershipNature> |
| <directOrIndirectOwnership> |
| <value> D </value> |
| </directOrIndirectOwnership> |
| </ownershipNature> |
| | | </derivativeTransaction> |
| | </derivativeTable> |
| <footnotes> |
| | <footnote id="F1"> Represents a restricted stock award pursuant to the Company's 2016 Equity Incentive Plan, 2,001 shares of restricted stock vested on March 16, 2023, with the remaining restricted stock awards vesting in 33 equal monthly installments beginning on April 1, 2023, subject to continued service with the Company through the applicable vesting dates. This award is subject to forfeiture. </footnote> |
| | <footnote id="F2"> Represents an option award pursuant to the Company's 2016 Equity Incentive Plan, 31,256 options vested on March 16, 2023, with the remaining options vesting in 9 equal monthly installments beginning on April 1, 2023, subject to continued service with the Company through the applicable vesting dates. This award is subject to forfeiture. </footnote> |
| | <footnote id="F3"> Includes employee stock options to purchase up to 424,000 shares of common stock and warrants to purchase up to 600,000 shares of common stock. </footnote> |
| | </footnotes> |
| <ownerSignature> |
| | <signatureName> /s/ James S. Marcelli, Attorney-in-fact for Frederick J. Leonberger </signatureName> |
| | <signatureDate> 2023-03-20 </signatureDate> |
| | </ownerSignature> |
| </ownershipDocument> |