<SEC-DOCUMENT>0001972362-24-001018.txt : 20240730
<SEC-HEADER>0001972362-24-001018.hdr.sgml : 20240730
<ACCEPTANCE-DATETIME>20240730173450
ACCESSION NUMBER:		0001972362-24-001018
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20240730
DATE AS OF CHANGE:		20240730

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXPONENT INC
		CENTRAL INDEX KEY:			0000851520
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				770218904
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1229

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-18655
		FILM NUMBER:		241159079

	BUSINESS ADDRESS:	
		STREET 1:		EXPONENT INC
		STREET 2:		149 COMMONWEALTH DRIVE
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
		BUSINESS PHONE:		650-326-9400

	MAIL ADDRESS:	
		STREET 1:		EXPONENT INC
		STREET 2:		149 COMMONWEALTH DRIVE
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FAILURE GROUP INC
		DATE OF NAME CHANGE:	19930831

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCHLENKER RICHARD L JR
		CENTRAL INDEX KEY:			0001203306
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		EPONENT INC
		STREET 2:		149 COMMONWEALTH DRIVE
		CITY:			MENLO PARK
		STATE:			CA
		ZIP:			94025
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001203306</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000851520</issuerCik>
      <issuerName>EXPONENT INC</issuerName>
      <secFileNumber>000-18655</secFileNumber>
      <issuerAddress>
        <com:street1>149 COMMONWEALTH DRIVE</com:street1>
        <com:city>MENLO PARK</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94025</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>650-326-9400</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SCHLENKER RICHARD L JR</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES</name>
        <address>
          <com:street1>200 W CIVIC CENTER DR - 4TH FLOOR</com:street1>
          <com:city>SANDY</com:city>
          <com:stateOrCountry>UT</com:stateOrCountry>
          <com:zipCode>84070</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>98314</noOfUnitsSold>
      <aggregateMarketValue>10389851.84</aggregateMarketValue>
      <noOfUnitsOutstanding>50700000</noOfUnitsOutstanding>
      <approxSaleDate>07/30/2024</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>07/31/2024</acquiredDate>
      <natureOfAcquisitionTransaction>STOCK OPTION EXERCISE</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>28558</amountOfSecuritiesAcquired>
      <paymentDate>07/31/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>02/14/2023</acquiredDate>
      <natureOfAcquisitionTransaction>EXERCISED SHARES</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7992</amountOfSecuritiesAcquired>
      <paymentDate>02/14/2023</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/12/2014</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>240</amountOfSecuritiesAcquired>
      <paymentDate>03/12/2014</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/14/2014</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>7978</amountOfSecuritiesAcquired>
      <paymentDate>03/14/2014</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/11/2015</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>424</amountOfSecuritiesAcquired>
      <paymentDate>03/11/2015</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/16/2015</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5304</amountOfSecuritiesAcquired>
      <paymentDate>03/16/2015</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/09/2016</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>650</amountOfSecuritiesAcquired>
      <paymentDate>03/09/2016</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/11/2016</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4641</amountOfSecuritiesAcquired>
      <paymentDate>03/11/2016</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/10/2017</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3597</amountOfSecuritiesAcquired>
      <paymentDate>03/10/2017</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/15/2017</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>814</amountOfSecuritiesAcquired>
      <paymentDate>03/15/2017</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/09/2018</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3946</amountOfSecuritiesAcquired>
      <paymentDate>03/09/2018</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/14/2018</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>6896</amountOfSecuritiesAcquired>
      <paymentDate>03/14/2018</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/13/2019</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>5591</amountOfSecuritiesAcquired>
      <paymentDate>03/13/2019</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/15/2019</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2592</amountOfSecuritiesAcquired>
      <paymentDate>03/15/2019</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/11/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>4835</amountOfSecuritiesAcquired>
      <paymentDate>03/11/2020</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/13/2020</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2339</amountOfSecuritiesAcquired>
      <paymentDate>03/13/2020</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/10/2021</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3436</amountOfSecuritiesAcquired>
      <paymentDate>03/10/2021</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/09/2022</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3770</amountOfSecuritiesAcquired>
      <paymentDate>03/09/2022</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/15/2023</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2477</amountOfSecuritiesAcquired>
      <paymentDate>03/15/2023</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <securitiesToBeSold>
      <securitiesClassTitle>COMMON</securitiesClassTitle>
      <acquiredDate>03/13/2024</acquiredDate>
      <natureOfAcquisitionTransaction>RESTRICTED STOCK</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>ISSUER</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>2234</amountOfSecuritiesAcquired>
      <paymentDate>03/13/2024</paymentDate>
      <natureOfPayment>COMPENSATION</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>07/30/2024</noticeDate>
      <signature>/s/ Richard Lee Schlenker</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
