<SEC-DOCUMENT>0001144204-17-000316.txt : 20170103
<SEC-HEADER>0001144204-17-000316.hdr.sgml : 20170103
<ACCEPTANCE-DATETIME>20170103185002
ACCESSION NUMBER:		0001144204-17-000316
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170103
FILED AS OF DATE:		20170103
DATE AS OF CHANGE:		20170103

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AVADEL PHARMACEUTICALS PLC
		CENTRAL INDEX KEY:			0001012477
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		BLOCK 10-1 BLANCHARDSTOWN CORPORATE PARK
		STREET 2:		BALLYCOOLIN
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			15
		BUSINESS PHONE:		636-449-1830

	MAIL ADDRESS:	
		STREET 1:		16640 CHESTERFIELD GROVE ROAD
		STREET 2:		SUITE 200
		CITY:			CHESTERFIELD
		STATE:			MO
		ZIP:			63005

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FLAMEL TECHNOLOGIES SA
		DATE OF NAME CHANGE:	19960422

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ANDERSON MICHAEL S
		CENTRAL INDEX KEY:			0001144178

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-28508
		FILM NUMBER:		17503209

	MAIL ADDRESS:	
		STREET 1:		101 S. MAIN ST
		STREET 2:		SUITE 300
		CITY:			VICTORIA
		STATE:			TX
		ZIP:			77902
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v455893_4.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-01-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001012477</issuerCik>
        <issuerName>AVADEL PHARMACEUTICALS PLC</issuerName>
        <issuerTradingSymbol>AVDL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001144178</rptOwnerCik>
            <rptOwnerName>ANDERSON MICHAEL S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BLOCK 10-1, BLANCHARDSTOWN</rptOwnerStreet1>
            <rptOwnerStreet2>CORPORATE PARK, BALLYCOOLIN</rptOwnerStreet2>
            <rptOwnerCity>DUBLIN 15</rptOwnerCity>
            <rptOwnerState>L2</rptOwnerState>
            <rptOwnerZipCode>77902</rptOwnerZipCode>
            <rptOwnerStateDescription>IRELAND</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>ADSs</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2017-01-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>223250</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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    <derivativeTable>
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                <value>Stock Option (right to buy)</value>
            </securityTitle>
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            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-01-03</value>
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            <deemedExecutionDate></deemedExecutionDate>
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                <footnoteId id="F2"/>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>275000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <value>2022-03-08</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>ADSs</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
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            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-01-03</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <value>2023-02-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>ADSs</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>80500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>80500</value>
                </sharesOwnedFollowingTransaction>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>16.3</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-01-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2024-12-11</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>ADSs</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>14.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-01-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F8"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-12-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>ADSs</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
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                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.4</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-01-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F9"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-12-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>ADSs</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>200000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>200000</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The issuer's &quot;ADSs&quot; are American Depositary Shares, with each ADS representing one ordinary share, nominal value 0.122 Euros per share, of the issuer; ADSs are represented by American Depositary Receipts.</footnote>
        <footnote id="F2">On 12/31/16, Flamel Technologies S.A. (&quot;Flamel&quot;) merged with and into Avadel Pharmaceuticals plc (&quot;Avadel&quot;).  As a result of the Merger, Flamel's outstanding ordinary shares were cancelled and exchanged on a 1-for-1 basis for newly issued ordinary shares of Avadel, and all outstanding American Depositary Shares (ADSs) representing Flamel ordinary shares  were cancelled and exchanged on a 1-for-1 basis for ADSs representing Avadel ordinary shares.  The reporting person filed a Form 4 solely to report dispositions of Flamel securities as a result of the Merger, and filed a Form 3 to reflect the reporting person's new status as a director and/or executive officer of Avadel. This Form 4 reports the reporting person's acquisition of the same number and type of securities of Avadel in the Merger.  The reporting person made no market sales or purchases in connection with the dispositions reported in the Form 4 referenced above or the acquisitions reported in this Form 4.</footnote>
        <footnote id="F3">Includes (a) 50,000 restricted ADSs granted under the issuer's &quot;Free Share&quot; award program on 12/11/2014, all of which will be issued to the reporting person on the fourth anniversary of the grant date, provided that the reporting person continues to be employed by the issuer or an affiliate thereof on the second anniversary of the grant date; (b) 50,000 restricted ADSs granted under the issuer's &quot;Free Share&quot; award program on 8/10/2016, all of which will be issued to the reporting person on the second anniversary of the grant date; and (c) 30,000 restricted ADSs granted under the issuer's &quot;Free Share&quot; award program on 12/14/2016, all of which will be issued to the reporting person on the second anniversary of the grant date.</footnote>
        <footnote id="F4">Flamel Ordinary Shares and Flamel ADSs were exchanged in the Merger for an equal number of Avadel Ordinary Shares and Avadel ADSs (as applicable), respectively.</footnote>
        <footnote id="F5">Options became exercisable in four equal amounts over the first four anniversaries after the 03/08/2012 grant date.</footnote>
        <footnote id="F6">Options become exercisable as to 20,125 ADSs on each of the first four anniversaries after the 02/01/2013 grant date.</footnote>
        <footnote id="F7">Options become exercisable as to 50,000 ADSs on each of the first four anniversaries after the 12/11/2014 grant date.</footnote>
        <footnote id="F8">Options become exercisable as to 50,000 ADSs on each of the first four anniversaries after the 12/10/2015 grant date.</footnote>
        <footnote id="F9">Options become exercisable as to 50,000 ADSs on each of the first four anniversaries after the 12/14/2016 grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Phillandas T. Thompson, as attorney-in-fact for Michael S. Anderson</signatureName>
        <signatureDate>2017-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
