SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Kristy Kyriakopoulos

2

Check the appropriate box if a member of a Group (see instructions)

(a)

(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,617,006.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,617,006.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,617,006.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

Checkbox not checked

11

Percent of class represented by amount in row (9)

5.12 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: 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.

SCHEDULE 13G

Item 1.

(a)

Name of issuer:

Mistras Group, Inc.

(b)

Address of issuer's principal executive offices:

195 Clarksville Road, Princeton Junction, NJ 08550

Item 2.

(a)

Name of person filing:

Kristy Kyriakopoulos

(b)

Address or principal business office or, if none, residence:

2 Suffolk Lane Princeton Junction, NJ 08550

(c)

Citizenship:

United States of America

(d)

Title of class of securities:

Common Stock, $0.01 par value

(e)

CUSIP No.:

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:

(a)

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

(b)

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

(d)

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f)

An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g)

A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h)

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:

(k)

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

Item 4.

Ownership

(a)

Amount beneficially owned:

1,617,006

(b)

Percent of class:

5.12%* * This percentage calculation is based on 31,595,562 outstanding shares as of March 9, 2026 as reported by the issuer.

(c)

Number of shares as to which the person has:

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

1,617,006

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

0

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

1,617,006

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

0

Item 5.

Ownership of 5 Percent or Less of a Class.

Not Applicable

Item 6.

Ownership of more than 5 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.

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.

SIGNATURE

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.

Kristy Kyriakopoulos

Signature:	/s/Kristy Kyriakopoulos
Name/Title:	Kristy Kyriakopoulos
Date:	03/31/2026