<SEC-DOCUMENT>0001127602-23-002958.txt : 20230201
<SEC-HEADER>0001127602-23-002958.hdr.sgml : 20230201
<ACCEPTANCE-DATETIME>20230201173924
ACCESSION NUMBER:		0001127602-23-002958
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230130
FILED AS OF DATE:		20230201
DATE AS OF CHANGE:		20230201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Goodman Scott Richard
		CENTRAL INDEX KEY:			0001454515

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15373
		FILM NUMBER:		23578022

	MAIL ADDRESS:	
		STREET 1:		150 N. MERAMEC
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENTERPRISE FINANCIAL SERVICES CORP
		CENTRAL INDEX KEY:			0001025835
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				431706259
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		150 NORTH MERAMEC
		STREET 2:		150 NORTH MERAMEC
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105
		BUSINESS PHONE:		3147255500

	MAIL ADDRESS:	
		STREET 1:		150 NORTH MERAMEC
		STREET 2:		150 NORTH MERAMEC
		CITY:			CLAYTON
		STATE:			MO
		ZIP:			63105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENTERBANK HOLDINGS INC
		DATE OF NAME CHANGE:	19961024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-01-30</periodOfReport>

    <issuer>
        <issuerCik>0001025835</issuerCik>
        <issuerName>ENTERPRISE FINANCIAL SERVICES CORP</issuerName>
        <issuerTradingSymbol>EFSC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001454515</rptOwnerCik>
            <rptOwnerName>Goodman Scott Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>150 N. MERAMEC</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CLAYTON</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
            </securityTitle>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>737</value>
                </transactionShares>
                <transactionPricePerShare>
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                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
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            <ownershipNature>
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            <transactionDate>
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                </transactionShares>
                <transactionPricePerShare>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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            <transactionCoding>
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                <equitySwapInvolved>0</equitySwapInvolved>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401(k) Plan</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Non Qualified Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>43.81</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F4"/>
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            <expirationDate>
                <value>2031-02-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6280</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6280</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Non Qualified Stock Option (Right to Buy)</value>
            </securityTitle>
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                <value>48.34</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F5"/>
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            <expirationDate>
                <value>2032-02-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6631</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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        <derivativeHolding>
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            <exerciseDate>
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            <expirationDate>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
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                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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                </sharesOwnedFollowingTransaction>
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        <derivativeHolding>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1172</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                </directOrIndirectOwnership>
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            </exerciseDate>
            <expirationDate>
                <footnoteId id="F9"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14967</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>14967</value>
                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
                </directOrIndirectOwnership>
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                <value>Restricted Share Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
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                <value>2023-01-30</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
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            <transactionAmounts>
                <transactionShares>
                    <value>737</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F10"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F10"/>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>737</value>
                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Withholding of stock to satisfy tax withholding obligation on issuance of common stock.</footnote>
        <footnote id="F2">The shares of common stock were awarded pursuant to the Company's 2018 Stock Incentive Plan.</footnote>
        <footnote id="F3">These securities are represented by units held in a unitized stock fund through the Company's 401(k) Plan. The unitized stock fund consists of cash and common stock in amounts that vary from time to time. The Reporting Person has 9,718 units in the 401(k) Plan, which units consisted of 4,752 shares of common stock.</footnote>
        <footnote id="F4">This option becomes exercisable after a three year period on 2/25/24.</footnote>
        <footnote id="F5">This option becomes exercisable after a three year period on 2/24/25.</footnote>
        <footnote id="F6">The RSU's were granted pursuant to the Company's 2018 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock, subject to adjustment as provided in the Grant Agreement.</footnote>
        <footnote id="F7">The RSU's vest 100% in the first quarter of 2024, subject to continued employment by the reporting person.</footnote>
        <footnote id="F8">The RSU's vest 100% in the first quarter of 2025, subject to continued employment by the reporting person.</footnote>
        <footnote id="F9">The RSUs vest over six years in one-third installments on each of February 24, 2024, February 24, 2026, and February 24, 2028. Vesting is subject to continued employment of the reporting person. On each vesting date, for each RSU vesting on such date, the reporting person will receive one share of Common Stock.</footnote>
        <footnote id="F10">The RSU's vest 100% in the first quarter of 2023, subject to continued employment by the reporting person.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Scott Richard Goodman</signatureName>
        <signatureDate>2023-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
