<SEC-DOCUMENT>0001628280-26-013201.txt : 20260302
<SEC-HEADER>0001628280-26-013201.hdr.sgml : 20260302
<ACCEPTANCE-DATETIME>20260302160751
ACCESSION NUMBER:		0001628280-26-013201
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20260227
FILED AS OF DATE:		20260302
DATE AS OF CHANGE:		20260302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROEDER ROSHAN S
		CENTRAL INDEX KEY:			0001950117
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16411
		FILM NUMBER:		26707597

	MAIL ADDRESS:	
		STREET 1:		2980 FAIRVIEW PARK DRIVE
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NORTHROP GRUMMAN CORP /DE/
		CENTRAL INDEX KEY:			0001133421
		STANDARD INDUSTRIAL CLASSIFICATION:	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL SYS [3812]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				800640649
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2980 FAIRVIEW PARK DRIVE
		STREET 2:		C/O NORTHROP GRUMMAN CORP
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042
		BUSINESS PHONE:		703-280-2900

	MAIL ADDRESS:	
		STREET 1:		2980 FAIRVIEW PARK DRIVE
		STREET 2:		C/O NORTHROP GRUMMAN CORP
		CITY:			FALLS CHURCH
		STATE:			VA
		ZIP:			22042

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NNG INC
		DATE OF NAME CHANGE:	20010129
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1772485669.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-02-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001133421</issuerCik>
        <issuerName>NORTHROP GRUMMAN CORP /DE/</issuerName>
        <issuerTradingSymbol>NOC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001950117</rptOwnerCik>
            <rptOwnerName>ROEDER ROSHAN S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2980 FAIRVIEW PARK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FALLS CHURCH</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22042</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CVP &amp; Pres. Mission Systems</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2026-02-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1754</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>720</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2353.39</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>116.7023</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held in Northrop Grumman Savings Plan</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on October 30, 2025.</footnote>
        <footnote id="F2">Held in the Northrop Grumman Savings Plan (the &quot;Plan&quot;), a qualified defined contribution plan, as of February 27, 2026.  Share totals with respect to the Plan are based upon unit accounting and therefore may reflect a change in units attributable to an individual though no acquisition or disposition occurred.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Jennifer C. McGarey, Attorney-in-Fact</signatureName>
        <signatureDate>2026-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
