<SEC-DOCUMENT>0001601548-19-000007.txt : 20190222
<SEC-HEADER>0001601548-19-000007.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222160535
ACCESSION NUMBER:		0001601548-19-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190220
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Parker Melvin
		CENTRAL INDEX KEY:			0001617890

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36341
		FILM NUMBER:		19625724

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		719-637-4540

	MAIL ADDRESS:	
		STREET 1:		2424 GARDEN OF THE GODS RD
		STREET 2:		SUITE 300
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80919

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Vectrus, Inc.
		CENTRAL INDEX KEY:			0001601548
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-FACILITIES SUPPORT MANAGEMENT SERVICES [8744]
		IRS NUMBER:				383924636
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2424 GARDEN OF THE GODS ROAD
		STREET 2:		SUITE 300
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80919
		BUSINESS PHONE:		719-591-3600

	MAIL ADDRESS:	
		STREET 1:		2424 GARDEN OF THE GODS ROAD
		STREET 2:		SUITE 300
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80919

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Exelis MSCO Inc.
		DATE OF NAME CHANGE:	20140303
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_155086952218908.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2019-02-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001601548</issuerCik>
        <issuerName>Vectrus, Inc.</issuerName>
        <issuerTradingSymbol>VEC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001617890</rptOwnerCik>
            <rptOwnerName>Parker Melvin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2424 GARDEN OF THE GODS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>COLORADO SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80919</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Vectrus, Inc. Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-02-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1375</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>28.0943</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1375</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">These transactions result from an unforeseen financial hardship arising from a family health matter.</footnote>
        <footnote id="F2">The sale reported in the Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 15, 2018.</footnote>
        <footnote id="F3">The price shown above represents the weighted average price of the shares sold. The range of sale prices was $27.93 to 28.23.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Kathryn Lamping, Attorney-In-Fact</signatureName>
        <signatureDate>2019-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
