<SEC-DOCUMENT>0001140361-24-017926-index.html : 20240404
<SEC-HEADER>0001140361-24-017926.hdr.sgml : 20240404
<ACCEPTANCE-DATETIME>20240404160144
ACCESSION NUMBER:		0001140361-24-017926
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		34
CONFORMED PERIOD OF REPORT:	20240514
FILED AS OF DATE:		20240404
DATE AS OF CHANGE:		20240404

FILER:

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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34481
		FILM NUMBER:		24823090

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>ny20018763x1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: ny20018763x1_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>mg-20240514.xsd
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - SCHEMA
<TEXT>
Document 2 - file: mg-20240514.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>3
<FILENAME>mg-20240514_def.xml
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - DEFINITION LINKBASE
<TEXT>
Document 3 - file: mg-20240514_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>mg-20240514_lab.xml
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - LABEL LINKBASE
<TEXT>
Document 4 - file: mg-20240514_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>mg-20240514_pre.xml
<DESCRIPTION>INLINE XBRL TAXONOMY EXTENSION - PRESENTATION LINKBASE
<TEXT>
Document 5 - file: mg-20240514_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>logo_mistrasgroup.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: logo_mistrasgroup.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>ny20006941x999_bluebl.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: ny20006941x999_bluebl.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ny20006941x999_blueblx2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: ny20006941x999_blueblx2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ny20006941x999_sqblx1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: ny20006941x999_sqblx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ny20006941x999_sqblx2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: ny20006941x999_sqblx2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ny20018763x1_background.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: ny20018763x1_background.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ny20018763x1_date.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: ny20018763x1_date.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>ny20018763x1_internet.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: ny20018763x1_internet.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ny20018763x1_location.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: ny20018763x1_location.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>ny20018763x1_mail.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: ny20018763x1_mail.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>ny20018763x1_online.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: ny20018763x1_online.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>ny20018763x1_pc01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: ny20018763x1_pc01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>ny20018763x1_pc02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: ny20018763x1_pc02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>ny20018763x1_time.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: ny20018763x1_time.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>sig_mstamatakis.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: sig_mstamatakis.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>ny20018763x1_bcvx1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: ny20018763x1_bcvx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>ny20018763x1_coverx1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: ny20018763x1_coverx1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>ny20018763x1_table01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: ny20018763x1_table01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>ny20018763x1_table02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: ny20018763x1_table02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>ny20018763x1_table03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: ny20018763x1_table03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>27
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 27 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>28
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 28 - file: R2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>29
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 29 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>30
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 30 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>32
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 32 - file: FilingSummary.html

Document 32 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>34
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 34 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>35
<FILENAME>0001140361-24-017926-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 35 - file: 0001140361-24-017926-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>37
<FILENAME>ny20018763x1_def14a_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 37 - file: ny20018763x1_def14a_htm.html

Document 37 - RAW XML: ny20018763x1_def14a_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>