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

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-12-15</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001786108</issuerCik>
        <issuerName>Trinity Capital Inc.</issuerName>
        <issuerTradingSymbol>TRIN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001796795</rptOwnerCik>
            <rptOwnerName>Brown Kyle Steven</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O TRINITY CAPITAL INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1 N. 1ST STREET, SUITE 302</rptOwnerStreet2>
            <rptOwnerCity>PHOENIX</rptOwnerCity>
            <rptOwnerState>AZ</rptOwnerState>
            <rptOwnerZipCode>85004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>CEO, President and CIO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-12-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>16187</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.12</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>285700.294</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>762070</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By The Kyle and Amy Brown Family Trust, dated February 4, 2019</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld to satisfy the reporting person's tax obligations in connection with vesting of restricted shares on December 15, 2025. Transaction exempt from Section 16(b) pursuant to Rule 16b-3.</footnote>
        <footnote id="F2">Includes shares acquired pursuant to Trinity Capital Inc.'s distribution reinvestment plan (&quot;DRIP&quot;) and broker dividend reinvestment program that reinvests Trinity Capital Inc. dividends on substantially similar terms as those of the DRIP, and includes shares acquired through the DRIP and broker dividend reinvestment program that were not previously reported due to scriveners errors.</footnote>
        <footnote id="F3">Subsequent to the reporting person's Form 4 filed on November 12, 2025, KBIZ Corp., an entity solely owned and controlled by the reporting person was voluntarily dissolved. As a result, all shares previously owned by KBIZ Corp. are now deemed directly held by the reporting person.</footnote>
        <footnote id="F4">The reporting person transferred shares directly owned in his individual name to The Kyle and Amy Brown Family Trust, dated February 4, 2019.</footnote>
    </footnotes>

    <remarks>Sarah Stanton is signing on behalf of Mr. K. Brown pursuant to the power of attorney dated September 17, 2021, which was previously filed with the Securities and Exchange Commission as an exhibit to the Form 4 Mr. K. Brown filed on September 17, 2021.</remarks>

    <ownerSignature>
        <signatureName>/s/ Sarah Stanton, on behalf of Kyle S. Brown</signatureName>
        <signatureDate>2025-12-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
