<SEC-DOCUMENT>0001127602-25-008360.txt : 20250305
<SEC-HEADER>0001127602-25-008360.hdr.sgml : 20250305
<ACCEPTANCE-DATETIME>20250305172206
ACCESSION NUMBER:		0001127602-25-008360
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250303
FILED AS OF DATE:		20250305
DATE AS OF CHANGE:		20250305

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALLISON JAMES D
		CENTRAL INDEX KEY:			0001740766
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13998
		FILM NUMBER:		25712483

	MAIL ADDRESS:	
		STREET 1:		C/O INSPERITY, INC.
		STREET 2:		19001 CRESCENT SPRINGS DRIVE
		CITY:			KINGWOOD
		STATE:			TX
		ZIP:			77339

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INSPERITY, INC.
		CENTRAL INDEX KEY:			0001000753
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				760479645
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		19001 CRESCENT SPRINGS DR
		CITY:			KINGWOOD
		STATE:			TX
		ZIP:			77339
		BUSINESS PHONE:		7133588986

	MAIL ADDRESS:	
		STREET 1:		19001 CRESCENT SPRINGS DR
		CITY:			KINGWOOD
		STATE:			TX
		ZIP:			77339

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADMINISTAFF INC \DE\
		DATE OF NAME CHANGE:	19950915
</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>2025-03-03</periodOfReport>

    <issuer>
        <issuerCik>0001000753</issuerCik>
        <issuerName>INSPERITY, INC.</issuerName>
        <issuerTradingSymbol>NSP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001740766</rptOwnerCik>
            <rptOwnerName>ALLISON JAMES D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>19001 CRESCENT SPRINGS DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>KINGWOOD</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77339</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP, Finance, CFO &amp; Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>179</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61401</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>884</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>87.97</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>60517</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The number of shares represents the cash value of dividend rights that were settled in shares of Insperity, Inc. common stock based on the fair market value of the common stock on the trading day immediately preceding the settlement date.</footnote>
        <footnote id="F2">Payment of tax liability by withholding securities incident to the settlement of the three-year performance period awards that were granted under the Long-Term Incentive Plan, following the recent final certification of the achievement of the performance conditions by the Compensation Committee.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Melissa McEllin, by Power of Attorney</signatureName>
        <signatureDate>2025-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
