<SEC-DOCUMENT>0001127602-23-002919.txt : 20230201
<SEC-HEADER>0001127602-23-002919.hdr.sgml : 20230201
<ACCEPTANCE-DATETIME>20230201164547
ACCESSION NUMBER:		0001127602-23-002919
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230131
FILED AS OF DATE:		20230201
DATE AS OF CHANGE:		20230201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KEMPER J MARINER
		CENTRAL INDEX KEY:			0001229109

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38481
		FILM NUMBER:		23577387

	MAIL ADDRESS:	
		STREET 1:		1010 GRAND BLVD.
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64106

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UMB FINANCIAL CORP
		CENTRAL INDEX KEY:			0000101382
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				430903811
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1010 GRAND AVE
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64106
		BUSINESS PHONE:		8168607000

	MAIL ADDRESS:	
		STREET 1:		1010 GRAND AVE
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED MISSOURI BANCSHARES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MISSOURI BANCSHARES INC
		DATE OF NAME CHANGE:	19710915
</SEC-HEADER>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                <transactionFormType>4</transactionFormType>
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            <transactionTimeliness></transactionTimeliness>
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                <transactionShares>
                    <value>80</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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                <value>Common Stock</value>
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                <sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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                <value>2023-02-01</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
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                <transactionShares>
                    <value>10</value>
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                <transactionPricePerShare>
                    <value>90.25</value>
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                <sharesOwnedFollowingTransaction>
                    <value>29960</value>
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                    <value>By Trust - TUW RC Kemper For John Mariner</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>229413.3197</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
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                    <value>1000</value>
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            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Daughter - Custodial Brokerage Account</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
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            <securityTitle>
                <value>Common Stock</value>
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                <sharesOwnedFollowingTransaction>
                    <value>2132.9316</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Esop</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
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                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Son - Custodial Brokerage Account</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12558</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust: Mary S Hunt Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
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                <sharesOwnedFollowingTransaction>
                    <value>290397</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Held by Kemper Realty</value>
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                <value>Common Stock</value>
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                <sharesOwnedFollowingTransaction>
                    <value>395989</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
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            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
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                    <value>1938116</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>By Trust - RC Kemper Irrevocable Trust</value>
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        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Jason Bartel, attorney-in-fact for Mr. Kemper</signatureName>
        <signatureDate>2023-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
