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Filing Details

Accession Number:: 0001436126-22-000002
Form Type:: 13G Filing
Publication Date:: 2022-02-08 19:00:00

Filed By:: Vahaviolos Sotirios J.
Company:: Mistras Group Inc. (NYSE:MG)
Filing Date:: 2022-02-09
SEC Url:: 13G Filing

Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name	Sole Voting Power	Shared Voting Power	Sole Dispositive Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Sotirios J. Vahaviolos				0	8,606,877

Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 12)*

Mistras Group, Inc.

(Name of Issuer)

Common Stock, $0.01 par value

(Title of Class of Securities)

60649T 107

(CUSIP Number)

December 31, 2021

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:


o						Rule 13d-1(b)

o						Rule 13d-1(c)

þ						Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes ).


CUSIP No. 60649T 107			SCHEDULE 13G			Page 2



1		NAMES OF REPORTING PERSONS Sotirios J. Vahaviolos
2		CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a)o (See Instructions) (b)o

3		SEC USE ONLY

4		CITIZENSHIP OR PLACE OF ORGANIZATION
		United States

	5		SOLE VOTING POWER
NUMBER OF			8,606,877

SHARES	6		SHARED VOTING POWER
BENEFICIALLY
OWNED BY			0
EACH	7		SOLE DISPOSITIVE POWER
REPORTING
PERSON			8,606,877

WITH	8		SHARED DISPOSITIVE POWER

			0
9		AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

		8,606,877

10		CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (See Instructions) o

11		PERCENTAGE OF CLASS REPRESENTED BY AMOUNT IN ROW 9 29.1%*
12		TYPE OF REPORTING PERSON (See Instructions)

		IN

* This percentage calculation is based on 29,545,813 outstanding shares as of December 31, 2021.

Item 1(a). Name of Issuer:


CUSIP No. 60649T 107			SCHEDULE 13G			Page 3

Mistras Group, Inc.

Item 1(b).Address of Issuer’s Principal Executive Offices:

195 Clarksville Road, Princeton Junction, New Jersey 08550

Item 2(a). Name of Person Filing:

Sotirios J. Vahaviolos

Item 2(b). Address of Principal Business Office or, if None, Residence:

195 Clarksville Road, Princeton Junction, New Jersey 08550

Item 2(c).Citizenship:

United States

Item 2(d). Title of Class of Securities:

Common Stock, $0.01 par value

Item 2(e). CUSIP Number:

60649T 107

Item 3. If This Statement Is Filed Pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

Not applicable



Item 4.						Ownership.

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned:

8,606,877

(b) Percent of class:

29.1% (See footnote to 11 above on Page 2)


CUSIP No. 60649T 107			SCHEDULE 13G			Page 4

(i) Sole power to vote or to direct the vote

8,606,877

(ii) Shared power to vote or to direct the vote

(iii) Sole power to dispose or to direct the disposition of

8,606,877

(iv) Shared power to dispose or to direct the disposition of

Item 5. Ownership of Five Percent or Less of a Class.

Not Applicable.

Item 6. Ownership of More than Five Percent on Behalf of Another Person.

Not Applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

Not Applicable.

Item 8. Identification and Classification of Members of the Group.

Not Applicable.

Item 9. Notice of Dissolution of Group.

Not Applicable.

Item 10. Certification.

Not Applicable.

SIGNATURE


CUSIP No. 60649T 107			SCHEDULE 13G			Page 5

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 8 , 2022

/s/ Sotirios J. Vahaviolos