<SEC-DOCUMENT>0001104659-25-007333.txt : 20250129
<SEC-HEADER>0001104659-25-007333.hdr.sgml : 20250129
<ACCEPTANCE-DATETIME>20250129202857
ACCESSION NUMBER:		0001104659-25-007333
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250127
FILED AS OF DATE:		20250129
DATE AS OF CHANGE:		20250129

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Devine Denise L
		CENTRAL INDEX KEY:			0001564996
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41503
		FILM NUMBER:		25570784

	MAIL ADDRESS:	
		STREET 1:		C/O FULTON FINANCIAL CORPORATION
		STREET 2:		ONE PENN SQUARE
		CITY:			LANCASTER
		STATE:			PA
		ZIP:			17602

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INNOVATIVE SOLUTIONS & SUPPORT INC
		CENTRAL INDEX KEY:			0000836690
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				232507402
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		720 PENNSYLVANIA DRIVE
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
		BUSINESS PHONE:		610 646 9800

	MAIL ADDRESS:	
		STREET 1:		720 PENNSYLVANIA DRIVE
		CITY:			EXTON
		STATE:			PA
		ZIP:			19341
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>tm254867-2_4seq1.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-01-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000836690</issuerCik>
        <issuerName>INNOVATIVE SOLUTIONS &amp; SUPPORT INC</issuerName>
        <issuerTradingSymbol>ISSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001564996</rptOwnerCik>
            <rptOwnerName>Devine Denise L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O INNOVATIVE SOLUTIONS &amp; SUPPORT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>720 PENNSYLVANIA DRIVE</rptOwnerStreet2>
            <rptOwnerCity>EXTON</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19341</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>5</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value>E</value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6781</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6781</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The RSUs were granted pursuant to the Company's 2019 Stock-Based Incentive Compensation Plan. Each RSU represents the right to receive one share of Common Stock. The RSUs are scheduled to vest on April 17, 2025, subject to continued service by the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jeffrey DiGiovanni (Attorney-in-fact)</signatureName>
        <signatureDate>2025-01-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
