<SEC-DOCUMENT>0001115055-24-000090.txt : 20240314
<SEC-HEADER>0001115055-24-000090.hdr.sgml : 20240314
<ACCEPTANCE-DATETIME>20240314062817
ACCESSION NUMBER:		0001115055-24-000090
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240312
FILED AS OF DATE:		20240314
DATE AS OF CHANGE:		20240314

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CALLICUTT RICHARD D II
		CENTRAL INDEX KEY:			0001231143
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39309
		FILM NUMBER:		24747853

	MAIL ADDRESS:	
		STREET 1:		3980 PREMIER DRIVE
		STREET 2:		SUITE 210
		CITY:			HIGH POINT
		STATE:			NC
		ZIP:			27265

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PINNACLE FINANCIAL PARTNERS INC
		CENTRAL INDEX KEY:			0001115055
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				621812853
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		150 THIRD AVENUE SOUTH
		STREET 2:		SUITE 900
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37201
		BUSINESS PHONE:		6157443700

	MAIL ADDRESS:	
		STREET 1:		150 THIRD AVENUE SOUTH
		STREET 2:		SUITE 900
		CITY:			NASHVILLE
		STATE:			TN
		ZIP:			37201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1710412089.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-03-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001115055</issuerCik>
        <issuerName>PINNACLE FINANCIAL PARTNERS INC</issuerName>
        <issuerTradingSymbol>PNFP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231143</rptOwnerCik>
            <rptOwnerName>CALLICUTT RICHARD D II</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>150 THIRD AVENUE SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 900</rptOwnerStreet2>
            <rptOwnerCity>NASHVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman-Carolinas &amp; Virginia</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>PNFP Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>24953</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>108256</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>PNFP Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2024-03-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11030</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>82.22</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97226</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>PNFP Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4415</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401K</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Depositary Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12000</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On January 21, 2021, the reporting person was granted 30,444 performance units eligible to vest at target levels of performance (with vesting of more or less units possible) based on the performance of Pinnacle Financial Partners, Inc. (the Company) against certain performance metrics compared to peers for a performance period commencing January 1, 2021 and ended December 31, 2023 and so long as the average of the ratio of Pinnacle Bank's nonperforming assets to its loans plus other real estate owned (NPA ratio) at December 31, 2021, 2022 and 2023 was not greater than 3.00%. Based upon the performance of the Company for 2021, 2022 and 2023 and the average of the NPA ratio at December 31, 2021, 2022 and 2023 as well as total shareholder return for the Company for the period from January 21, 2021 through January 20, 2024, the reporting person earned 24,953 performance units, which units vested and were settled in shares of Company common stock.</footnote>
        <footnote id="F2">Performance units are settled in shares of common stock on a one-for-one basis. Accordingly, no purchase price was paid for the shares by the reporting person.</footnote>
        <footnote id="F3">Represents shares retained by the Company to cover withholding taxes due upon the vesting of the performance units and issuance of the common shares described in footnote 1.</footnote>
        <footnote id="F4">Each depositary share represents a 1/40th interest in a share of the Issuer's 6.75% Fixed-Rate Non-Cumulative Perpetual Preferred Stock, Series B, no par value per share. Depositary shares purchased in an underwritten public offering.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Richard D. Callicut, II</signatureName>
        <signatureDate>2024-03-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
