<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2026-01-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001077183</issuerCik>
        <issuerName>NEOGENOMICS INC</issuerName>
        <issuerTradingSymbol>NEO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001955295</rptOwnerCik>
            <rptOwnerName>Stone Warren</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9490 NEOGENOMICS WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FORT MYERS</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33912</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Pres &amp; Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>1</aff10b5One>

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            <transactionDate>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
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                    <value>22128</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <securityTitle>
                <value>Stock Option  (Right to Buy)</value>
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                <value>10.44</value>
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                <value>2035-04-01</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
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                <footnoteId id="F17"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>52687</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>52687</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">On December 1, 2022, Mr. Stone was granted 166,113 stock options. The options vest ratably over the first four anniversary dates of the grant date.</footnote>
        <footnote id="F2">On May 11, 2023, Mr. Stone was granted 53,969 stock options. The options vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F3">On May 11, 2023, Mr. Stone was granted 21,204 performance stock units representing the number of shares that may vest at target performance. The maximum number of shares that may vest pursuant to the performance criteria is31,806. The number of performance stock units that may vest is based on the achievement of certain growth goals based on the weighted average price of the Company's common stock over the 20-day trailing trading period at theapplicable measurement dates, subject to continued service with the Company.</footnote>
        <footnote id="F4">Once vested, the shares of common stock are not subject to expiration.</footnote>
        <footnote id="F5">On May 11, 2023, Mr. Stone was granted 28,838 restricted stock units. The restricted stock units vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F6">On February 23, 2024, Mr. Stone was granted 42,344 stock options. The options vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F7">On February 23, 2024, Mr. Stone was granted 25,329 restricted stock units. The restricted stock units vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F8">On February 23, 2024, Mr. Stone was granted 25,330 performance stock units representing the number of shares that may vest at target performance. The maximum number of shares that may vest pursuant to the performance criteria is37,996. 50% of the number of performance stock units that may vest is based on the achievements of certain share growth goals based on the weighted average price of the Company's common stock over the 20-day trailing trading period atthe applicable measurement dates, subject to continued service with the Company. 50% of the number of performance stock units that may vest is based on the achievement of certain revenue growth goals based on the achievement of thecumulative fiscal year revenue goal at the applicable measurement amounts, subject to continued service with the Company.</footnote>
        <footnote id="F9">On May 2, 2024, Mr. Stone was granted 29,976 stock options. The options vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F10">On May 2, 2024, Mr. Stone was granted 17,905 restricted stock units. The restricted stock units vest ratably over the first three anniversary dates of the grant date.</footnote>
        <footnote id="F11">On May 2, 2024, Mr. Stone was granted 17,908 performance stock units representing the number of shares that may vest at target performance. The maximum number of shares that may vest pursuant to the performance criteria is26,862. 50% of the number of performance stock units that may vest is based on the achievements of certain share growth goals based on the weighted average price of the Company's common stock over the 20-day trailing trading period atthe applicable measurement dates, subject to continued service with the Company. 50% of the number of performance stock units that may vest is based on the achievement of certain revenue growth goals based on the achievement of thecumulative fiscal year revenue goal at the applicable measurement amounts, subject to continued service with the Company.</footnote>
        <footnote id="F12">This stock option was granted as a premium-price stock option. To calculate the premium exercise price we used the closing price on February 20, 2025 and multiplied by 110%</footnote>
        <footnote id="F13">On February 21, 2025, Mr. Stone was granted 143,266 stock options. At the time of the grant, the options vested ratably over the first three anniversary dates of the grant date. In connection with Mr. Stone's promotion to President &amp;Chief Operating Officer on April 1, 2025, the vesting schedule of these options was modified so that they now vest ratably on the 12-month, 18-month and 24-month anniversary dates of the grant date.</footnote>
        <footnote id="F14">On February 21, 2025, Mr. Stone was granted 84,317 restricted stock units. At the time of the grant, the restricted stock units vested ratably over the first three anniversary dates of the grant date. In connection with Mr. Stone'spromotion to President &amp; Chief Operating Officer on April 1, 2025, the vesting schedule of these restricted stock units was modified so that they now vest ratably on the 12-month, 18-month and 24-month anniversary dates of the grantdate.</footnote>
        <footnote id="F15">This stock option was granted as a premnium-price stock option. To calculate the premium exercise price we used the closing price on April 1, 2025 and multiplied by 110%.</footnote>
        <footnote id="F16">On April 1, 2025, Mr. Stone was granted 94,518 stock options. The options vest ratably on the 12-month, 18-month and 24-month anniversary dates of the grant date.</footnote>
        <footnote id="F17">On April 1, 2025, Mr. Stone was granted 52,687 restricted stock units. The restricted stock units vest ratably on the 12-month, 18-month and 24-month anniversary dates of the grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ali Olivo, Attorney-in-Fact</signatureName>
        <signatureDate>2026-01-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
