<SEC-DOCUMENT>0000897101-26-000114.txt : 20260331
<SEC-HEADER>0000897101-26-000114.hdr.sgml : 20260331
<ACCEPTANCE-DATETIME>20260331162510
ACCESSION NUMBER:		0000897101-26-000114
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20260331
DATE AS OF CHANGE:		20260331

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mistras Group, Inc.
		CENTRAL INDEX KEY:			0001436126
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-ENGINEERING SERVICES [8711]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				223341267
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-85079
		FILM NUMBER:		26822325

	BUSINESS ADDRESS:	
		STREET 1:		195 CLARKSVILLE ROAD
		CITY:			PRINCETON JUNCTION
		STATE:			NJ
		ZIP:			08550
		BUSINESS PHONE:		609-716-4000

	MAIL ADDRESS:	
		STREET 1:		195 CLARKSVILLE ROAD
		CITY:			PRINCETON JUNCTION
		STATE:			NJ
		ZIP:			08550

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Kyriakopoulos Kristy Vahaviolos
		CENTRAL INDEX KEY:			0002082695
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	MAIL ADDRESS:	
		STREET 1:		2 SUFFOLK LANE
		CITY:			PRINCETON JUNCTION
		STATE:			NJ
		ZIP:			08550
</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">
  <schemaVersion>X0202</schemaVersion>
<headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: Kyriakopoulos Kristy Vahaviolos -->
          <cik>0002082695</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>1</amendmentNo>
      <securitiesClassTitle>Common Stock, $0.01 par value</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>07/08/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001436126</issuerCik>
        <issuerName>Mistras Group, Inc.</issuerName>
        <issuerCusips>
          <issuerCusipNumber>60649T107</issuerCusipNumber>
        </issuerCusips>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>195 Clarksville Road</com:street1>
          <com:city>Princeton Junction</com:city>
          <com:stateOrCountry>NJ</com:stateOrCountry>
          <com:zipCode>08550</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>Kristy Kyriakopoulos</reportingPersonName>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>1617006.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>1617006.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1617006.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>5.12</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
      <comments>This Amendment No. 1 to Schedule 13G ("Amendment No. 1") to the Schedule 13G originally filed with the United States Securities and Exchange Commission on September 11, 2025 (the "Original Schedule 13G"), relating to the issuer's common shares, is being filed solely to correct an administrative error in the Original Schedule 13G. This Amendment No. 1 corrects the number of shares reported as beneficially owned by the Reporting Person. Unless amended or supplemented below, the information in the Original Schedule 13G remains unchanged.</comments>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>Mistras Group, Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>195 Clarksville Road, Princeton Junction, NJ 08550</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>Kristy Kyriakopoulos</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>2 Suffolk Lane Princeton Junction, NJ 08550</principalBusinessOfficeOrResidenceAddress>
        <citizenship>United States of America</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>1,617,006</amountBeneficiallyOwned>
        <classPercent>5.12%*

* This percentage calculation is based on 31,595,562 outstanding shares as of March 9, 2026 as reported by the issuer.</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>1,617,006</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>0</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>1,617,006</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 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>Kristy Kyriakopoulos</reportingPersonName>
      <signatureDetails>
        <signature>/s/Kristy Kyriakopoulos</signature>
        <title>Kristy Kyriakopoulos</title>
        <date>03/31/2026</date>
      </signatureDetails>
    </signatureInformation>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
