-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 UOco3WiI5uET0NIdC4jMZUKg9LAejmad9Ie5zMBlMDwVMD8D4WDe4YDGAQtTBH0M
 QX3WyX2ZDQ4fkwJH6klJgA==

<SEC-DOCUMENT>0001005477-03-003044.txt : 20030804
<SEC-HEADER>0001005477-03-003044.hdr.sgml : 20030804
<ACCEPTANCE-DATETIME>20030804121331
ACCESSION NUMBER:		0001005477-03-003044
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030731
FILED AS OF DATE:		20030804

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LAMPROPOULOS FRED P
		CENTRAL INDEX KEY:			0000901534

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18592
		FILM NUMBER:		03819695

	BUSINESS ADDRESS:	
		STREET 1:		1600 W MARIT PARKWAY
		CITY:			SO JORDAN
		STATE:			UT
		ZIP:			84095
		BUSINESS PHONE:		84095-1688

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERIT MEDICAL SYSTEMS INC
		CENTRAL INDEX KEY:			0000856982
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				870447695
		STATE OF INCORPORATION:			UT
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1600 WEST MERIT PARK WAY
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
		BUSINESS PHONE:		8012531600

	MAIL ADDRESS:	
		STREET 1:		1600 WEST MERIT PARKWAY
		CITY:			SOUTH JORDAN
		STATE:			UT
		ZIP:			84095
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-07-31</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000856982</issuerCik>
        <issuerName>MERIT MEDICAL SYSTEMS INC</issuerName>
        <issuerTradingSymbol>MMSI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>

        <reportingOwnerId>
            <rptOwnerCik>0000901534</rptOwnerCik>
            <rptOwnerName>LAMPROPOULOS FRED P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MERIT MEDICAL SYSTEMS, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1600 WEST MERIT PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>SOUTH JORDAN</rptOwnerCity>
            <rptOwnerState>UT</rptOwnerState>
            <rptOwnerZipCode>84095</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
        <isDirector>1</isDirector>
        <isOfficer>1</isOfficer>
        <isTenPercentOwner>1</isTenPercentOwner>
        <isOther>0</isOther>
        <officerTitle>Chairman, CEO, President</officerTitle>
    </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>

        <securityTitle>
            <value>Common Stock, no par value</value>
        </securityTitle>

        <transactionDate>
            <value>2003-07-31</value>
        </transactionDate>

        <deemedExecutionDate>
            <value>2003-07-31</value>
        </deemedExecutionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>M</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>

            <transactionShares>
                <value>125000</value>
            </transactionShares>

            <transactionPricePerShare>
                <value>3.76</value>
            </transactionPricePerShare>

            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>718024</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </nonDerivativeTransaction>

        <nonDerivativeTransaction>

        <securityTitle>
            <value>Common Stock, no par value</value>
        </securityTitle>

        <transactionDate>
            <value>2003-07-31</value>
        </transactionDate>

        <deemedExecutionDate>
            <value>2003-07-31</value>
        </deemedExecutionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>F</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>

            <transactionShares>
                <value>45692</value>
            </transactionShares>

            <transactionPricePerShare>
                <value>27.37</value>
            </transactionPricePerShare>

            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>672332</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </nonDerivativeTransaction>

        <nonDerivativeHolding>

        <securityTitle>
            <value>Common Stock, no par value</value>
        </securityTitle>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>29656</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>I</value>
            </directOrIndirectOwnership>

            <natureOfOwnership>
                <value>by 401(k) Plan; holdings a/o 12/31/02 per most recent plan stmt timely distributed</value>
            </natureOfOwnership>
        </ownershipNature>
        </nonDerivativeHolding>

    </nonDerivativeTable>
    <derivativeTable>
        <derivativeTransaction>

        <securityTitle>
            <value>Non-qualified Stock Option (right to buy) (5)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>3.76</value>
        </conversionOrExercisePrice>

        <transactionDate>
            <value>2003-07-31</value>
        </transactionDate>

        <deemedExecutionDate>
            <value>2003-07-31</value>
        </deemedExecutionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>M</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>

            <transactionShares>
                <value>125000</value>
            </transactionShares>

            <transactionPricePerShare>
                <value>3.76</value>
            </transactionPricePerShare>

            <transactionAcquiredDisposedCode>
                <value>D</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>

        <exerciseDate>
            <value>1999-05-07</value>
        </exerciseDate>

        <expirationDate>
            <value>2003-11-07</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>125000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>0</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeTransaction>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Option (right to buy) (6)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>3.68</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>1999-09-30</value>
        </exerciseDate>

        <expirationDate>
            <value>2005-03-31</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>31250</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>31250</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>3.76</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>1999-05-26</value>
        </exerciseDate>

        <expirationDate>
            <value>2004-05-26</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>11719</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>11719</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)l</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>2.88</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2000-05-24</value>
        </exerciseDate>

        <expirationDate>
            <value>2005-05-24</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>11719</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>11719</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>2.88</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2001-01-24</value>
        </exerciseDate>

        <expirationDate>
            <value>2005-05-24</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>62500</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>62500</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy) (2)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>3.68</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2002-02-12</value>
        </exerciseDate>

        <expirationDate>
            <value>2011-02-12</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>62500</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>62500</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>5.0624</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2001-05-23</value>
        </exerciseDate>

        <expirationDate>
            <value>2011-05-23</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>15625</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>15625</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy) (3)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>13.5280</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2002-12-08</value>
        </exerciseDate>

        <expirationDate>
            <value>2011-12-08</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>50000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>50000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>16.99</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2002-05-23</value>
        </exerciseDate>

        <expirationDate>
            <value>2012-05-23</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>10000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>10000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy) (7)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>17.32</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2004-02-06</value>
        </exerciseDate>

        <expirationDate>
            <value>2013-02-06</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>40000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>40000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

        <derivativeHolding>

        <securityTitle>
            <value>Non-qualified Stock Options (right to buy)</value>
        </securityTitle>

        <conversionOrExercisePrice>
            <value>18.62</value>
        </conversionOrExercisePrice>

        <exerciseDate>
            <value>2003-05-22</value>
        </exerciseDate>

        <expirationDate>
            <value>2013-05-22</value>
        </expirationDate>
        <underlyingSecurity>

            <underlyingSecurityTitle>
                <value>Common Stock</value>
            </underlyingSecurityTitle>

            <underlyingSecurityShares>
                <value>15000</value>
            </underlyingSecurityShares>
        </underlyingSecurity>
        <postTransactionAmounts>

            <sharesOwnedFollowingTransaction>
                <value>15000</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>

            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
        </derivativeHolding>

    </derivativeTable>
<remarks>(2) Become exercisable in equal annual installments of 20% commencing 02/12/02
(3) Become exercisable in equal annual installments of 20% commencing 12/08/02
(5) Become exercisable in equal annual installments of 20%
commencing 05/07/99
(6) Become exercisable in equal annual installments of 20%
commencing 09/30/99
(7) Become exercisable in equal annual installments of 20% commencing 02/06/04</remarks>

    <ownerSignature>
        <signatureName>Fred P. Lampropoulos</signatureName>
        <signatureDate>2003-08-01</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----