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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2022-06-20</periodOfReport>

    <dateOfOriginalSubmission>2022-06-23</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001325618</issuerCik>
        <issuerName>IRADIMED CORP</issuerName>
        <issuerTradingSymbol>IRMD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001253497</rptOwnerCik>
            <rptOwnerName>GLENN JOHN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O IRADIMED CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1025 WILLA SPRINGS DR.</rptOwnerStreet2>
            <rptOwnerCity>WINTER SPRINGS</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>32708</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>true</isOfficer>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-06-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>23183</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>23183</value>
                    <footnoteId id="F3"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23183</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of Iradimed Corporation's common stock.</footnote>
        <footnote id="F2">The reporting person received restricted stock units under Iradimed Corporation's 2014 Equity Incentive Plan. The restricted stock units vest in four equal annual installments beginning on June 20, 2023. Upon vesting, the reporting person will receive a number of shares of common stock equal to the number of restricted stock units that have vested.</footnote>
        <footnote id="F3">This Form 4/A is being filed solely to correct administrative errors in (i) the number of shares of Common Stock underlying Restricted Stock Units shown as acquired and beneficially held by the reporting person and (ii) the vesting commencement date of such Restricted Stock Units in his Form 4 filed on June 23, 2022 (the &quot;Original Form 4&quot;). All other information set forth in the Original Form 4 remains correct.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John Glenn</signatureName>
        <signatureDate>2022-07-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
