<SEC-DOCUMENT>0001140361-17-008166.txt : 20170217
<SEC-HEADER>0001140361-17-008166.hdr.sgml : 20170217
<ACCEPTANCE-DATETIME>20170217181029
ACCESSION NUMBER:		0001140361-17-008166
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170217
FILED AS OF DATE:		20170217
DATE AS OF CHANGE:		20170217

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Arconic Inc.
		CENTRAL INDEX KEY:			0000004281
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				250317820
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		390 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022-4608
		BUSINESS PHONE:		2128362732

	MAIL ADDRESS:	
		STREET 1:		390 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022-4608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC.
		DATE OF NAME CHANGE:	20141003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC
		DATE OF NAME CHANGE:	19990105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALUMINUM CO OF AMERICA
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ELLIOTT INTERNATIONAL, L.P.
		CENTRAL INDEX KEY:			0000937611
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03610
		FILM NUMBER:		17622784

	BUSINESS ADDRESS:	
		STREET 1:		C/O MAPLES & CALDER, P.O. BOX 309
		STREET 2:		UGLAND HOUSE, SOUTH CHURCH STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			00000
		BUSINESS PHONE:		7133612600

	MAIL ADDRESS:	
		STREET 1:		C/O MAPLES & CALDER, P.O. BOX 309
		STREET 2:		UGLAND HOUSE, SOUTH CHURCH STREET
		CITY:			GEORGE TOWN
		STATE:			E9
		ZIP:			00000

	FORMER NAME:	
		FORMER CONFORMED NAME:	ELLIOTT INTERNATIONAL L P
		DATE OF NAME CHANGE:	20010309

	FORMER NAME:	
		FORMER CONFORMED NAME:	WESTGATE INTERNATIONAL L P
		DATE OF NAME CHANGE:	19950210
</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>2017-02-17</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000004281</issuerCik>
        <issuerName>Arconic Inc.</issuerName>
        <issuerTradingSymbol>ARNC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000937611</rptOwnerCik>
            <rptOwnerName>ELLIOTT INTERNATIONAL, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>40 WEST 57TH ST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10019</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $1.00 par value</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2017-02-17</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>272000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.7834</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33083451</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is filed jointly by Elliott International, L.P. (&quot;Elliott International&quot;) and Elliott International Capital Advisors Inc. (&quot;EICA&quot; and, together with Elliott International, the &quot;Reporting Persons&quot;). EICA, as the investment manager of Elliott International, may be deemed to beneficially own the securities owned by directly by Elliott International. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein.</footnote>
        <footnote id="F2">Securities owned directly by Elliott International.  EICA, as the investment manager of Elliott International, may be deemed to beneficially own the securities owned by directly by Elliott International.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Elliot Greeberg, Vice President of Elliott International Capital Advisers, Inc, as Attorney-in-Fact, for Elliott International, L.P.</signatureName>
        <signatureDate>2017-02-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
