<SEC-DOCUMENT>0001179110-19-003684.txt : 20190311
<SEC-HEADER>0001179110-19-003684.hdr.sgml : 20190311
<ACCEPTANCE-DATETIME>20190311161811
ACCESSION NUMBER:		0001179110-19-003684
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190308
FILED AS OF DATE:		20190311
DATE AS OF CHANGE:		20190311

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Harrison Robert S
		CENTRAL INDEX KEY:			0001548976

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14585
		FILM NUMBER:		19672529

	MAIL ADDRESS:	
		STREET 1:		822 BISHOP STREET
		CITY:			HONOLULU
		STATE:			HI
		ZIP:			96813

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST HAWAIIAN, INC.
		CENTRAL INDEX KEY:			0000036377
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				990156159
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		999 BISHOP STREET
		CITY:			HONOLULU
		STATE:			HI
		ZIP:			96813
		BUSINESS PHONE:		808-525-7000

	MAIL ADDRESS:	
		STREET 1:		999 BISHOP STREET
		CITY:			HONOLULU
		STATE:			HI
		ZIP:			96813

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BANCWEST CORP/HI
		DATE OF NAME CHANGE:	19981105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST HAWAIIAN INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-03-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000036377</issuerCik>
        <issuerName>FIRST HAWAIIAN, INC.</issuerName>
        <issuerTradingSymbol>FHB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001548976</rptOwnerCik>
            <rptOwnerName>Harrison Robert S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O FIRST HAWAIIAN, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>999 BISHOP STREET, 8TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>HONOLULU</rptOwnerCity>
            <rptOwnerState>HI</rptOwnerState>
            <rptOwnerZipCode>96813</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and CEO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-03-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>5000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.8796</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>80261</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price.  The shares were purchased in multiple transactions ranging in price from $25.875 to $25.88, inclusive.  The reporting person undertakes to provide to First Hawaiian, Inc. any security holder of First Hawaiian, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lisa Kamibayashi as Attorney-in-Fact for Robert Harrison</signatureName>
        <signatureDate>2019-03-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
