<SEC-DOCUMENT>0000945621-25-000849.txt : 20250904
<SEC-HEADER>0000945621-25-000849.hdr.sgml : 20250904
<ACCEPTANCE-DATETIME>20250904102709
ACCESSION NUMBER:		0000945621-25-000849
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250904
DATE AS OF CHANGE:		20250904

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48651
		FILM NUMBER:		251292173

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mawer Investment Management Ltd.
		CENTRAL INDEX KEY:			0001538449
		ORGANIZATION NAME:           	
		EIN:				000000000
		STATE OF INCORPORATION:			A0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
		BUSINESS PHONE:		403-262-4673

	MAIL ADDRESS:	
		STREET 1:		517 10TH AVENUE S. W.
		STREET 2:		SUITE 600
		CITY:			CALGARY
		STATE:			A0
		ZIP:			T2R 0A8
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>SCHEDULE 13G/A</submissionType>
<previousAccessionNumber>0000945621-21-000064</previousAccessionNumber>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001538449</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<coverPageHeader>
<amendmentNo>6</amendmentNo>
<securitiesClassTitle>Common Stock</securitiesClassTitle>
<eventDateRequiresFilingThisStatement>08/29/2025</eventDateRequiresFilingThisStatement>
<issuerInfo>
<issuerCik>0001000753</issuerCik>
<issuerName>Insperity, Inc.</issuerName>
<issuerCusip>45778Q107</issuerCusip>
<issuerPrincipalExecutiveOfficeAddress>
<com:street1>19001 Crescent Springs Drive</com:street1>
<com:city>Kingwood</com:city>
<com:stateOrCountry>TX</com:stateOrCountry>
<com:zipCode>77339</com:zipCode>
</issuerPrincipalExecutiveOfficeAddress>
</issuerInfo>
<designateRulesPursuantThisScheduleFiled>
<designateRulePursuantThisScheduleFiled>Rule 13d-1(b)</designateRulePursuantThisScheduleFiled>
</designateRulesPursuantThisScheduleFiled>
</coverPageHeader>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Mawer Investment Management Ltd.</reportingPersonName>
<citizenshipOrOrganization>A0</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>2695079</soleVotingPower>
<sharedVotingPower>0</sharedVotingPower>
<soleDispositivePower>2726579</soleDispositivePower>
<sharedDispositivePower>0</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2726579</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>7.24</classPercent>
<typeOfReportingPerson>IA</typeOfReportingPerson>
<comments>Based upon 37,673,681 shares of Common Stock of Insperity, Inc. (the "Issuer") outstanding as of July 25, 2025 as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on August 1, 2025.</comments>
</coverPageHeaderReportingPersonDetails>
<items>
<item1>
<issuerName>Insperity, Inc.</issuerName>
<issuerPrincipalExecutiveOfficeAddress>19001 Crescent Springs Drive, Kingwood, Texas, 77339</issuerPrincipalExecutiveOfficeAddress>
</item1>
<item2>
<filingPersonName>Mawer Investment Management Ltd.</filingPersonName>
<principalBusinessOfficeOrResidenceAddress>600, 517 - 10th Avenue SW&#13;
Calgary, Alberta, Canada T2R 0A8</principalBusinessOfficeOrResidenceAddress>
<citizenship>Canada</citizenship>
</item2>
<item3>
<notApplicableFlag>N</notApplicableFlag>
<typeOfPersonFiling>IA</typeOfPersonFiling>
</item3>
<item4>
<amountBeneficiallyOwned>2,726,579</amountBeneficiallyOwned>
<classPercent>7.24%</classPercent>
<numberOfSharesPersonHas>
<solePowerOrDirectToVote>2,695,079</solePowerOrDirectToVote>
<sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
<solePowerOrDirectToDispose>2,726,579</solePowerOrDirectToDispose>
<sharedPowerOrDirectToDispose>0</sharedPowerOrDirectToDispose>
</numberOfSharesPersonHas>
</item4>
<item5>
<notApplicableFlag>Y</notApplicableFlag>
</item5>
<item6>
<notApplicableFlag>Y</notApplicableFlag>
</item6>
<item7>
<notApplicableFlag>Y</notApplicableFlag>
</item7>
<item8>
<notApplicableFlag>Y</notApplicableFlag>
</item8>
<item9>
<notApplicableFlag>Y</notApplicableFlag>
</item9>
<item10>
<notApplicableFlag>N</notApplicableFlag>
<certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
</item10>
</items>
<signatureInformation>
<reportingPersonName>Mawer Investment Management Ltd.</reportingPersonName>
<signatureDetails>
<signature>/s/ John Wilson</signature>
<title>John Wilson, Portfolio Manager</title>
<date>09/03/2025</date>
</signatureDetails>
</signatureInformation>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
