<SEC-DOCUMENT>0001127602-24-024047.txt : 20240917
<SEC-HEADER>0001127602-24-024047.hdr.sgml : 20240917
<ACCEPTANCE-DATETIME>20240917122317
ACCESSION NUMBER:		0001127602-24-024047
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240916
FILED AS OF DATE:		20240917
DATE AS OF CHANGE:		20240917

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAMERICK EILEEN A
		CENTRAL INDEX KEY:			0001044530
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31343
		FILM NUMBER:		241303314

	MAIL ADDRESS:	
		STREET 1:		200 NORTH ADAMS STREET
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASSOCIATED BANC-CORP
		CENTRAL INDEX KEY:			0000007789
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				391098068
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		433 MAIN STREET
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54301
		BUSINESS PHONE:		920-491-7500

	MAIL ADDRESS:	
		STREET 1:		433 MAIN STREET
		CITY:			GREEN BAY
		STATE:			WI
		ZIP:			54301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ASSOCIATED BANK SERVICES INC
		DATE OF NAME CHANGE:	19770626
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-09-16</periodOfReport>

    <issuer>
        <issuerCik>0000007789</issuerCik>
        <issuerName>ASSOCIATED BANC-CORP</issuerName>
        <issuerTradingSymbol>ASB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001044530</rptOwnerCik>
            <rptOwnerName>KAMERICK EILEEN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ASSOCIATED BANC-CORP</rptOwnerStreet1>
            <rptOwnerStreet2>433 MAIN STREET</rptOwnerStreet2>
            <rptOwnerCity>GREEN BAY</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>54301</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock $0.01 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2024-09-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>63</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50686</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock $0.01 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2024-09-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>416</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.36</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>51102</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Phantom Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock $0.01 Par Value</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>29448.383</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29448.383</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Dividend equivalent units, which vest on the first anniversary of the grant of the restricted stock units to which they relate, are payable solely in shares of common stock upon vesting (subject to deferral if so elected by the Insider).</footnote>
        <footnote id="F2">Fully vested dividend equivalents received on restricted stock units payable solely in shares of common stock following the date the Insider ceases serving as a director.</footnote>
        <footnote id="F3">Stock units are 100% vested at the time of the acquisition.</footnote>
        <footnote id="F4">Phantom stock units will remain in Insider's nonqualified benefit plan until such plan account balance is distributed pursuant to Insider's distribution election(s) on file.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Lynn M. Floeter, attorney-in-fact for Eileen A. Kamerick</signatureName>
        <signatureDate>2024-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
