Aspasia Felice Vahaviolos - 31 Dec 2025 Form 4 Insider Report for Mistras Group, Inc. (MG)

Role
10%+ Owner
Signature
/s/ Aspasia Vahaviolos
Issuer symbol
MG
Transactions as of
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
27 Feb 2026, 17:25:47 UTC
Previous filing
10 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Vahaviolos Aspasia Felice 10%+ Owner 7 RIDGEVIEW ROAD, PRINCETON /s/ Aspasia Vahaviolos 16 Feb 2026 0002082296

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MG Common Stock Gift $0 -5,251,358 -86% $0.000000 854,292 31 Dec 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Remarks:

Transaction represents a gift by the reporting person to the 2025 2-Year Irrevocable Grantor Retained Annuity Trust of Aspasia F. Vahaviolos (GRAT). Mrs. Vahaviolos has retained an interest in the value of the original principal contribution to the GRAT and will receive annuity payments which may be in shares if the GRAT retains the shares. Any shares retained by the GRAT after annuity payments will be distributed to the beneficiaries of the GRAT upon its termination in two years. Mrs. Vahaviolos' daughter. who does not reside with her is the trustee for the GRAT and will hold sole power over the voting and disposition of the shares held by the GRAT. Mrs. Vahaviolos and the GRAT trustee have agreed that the GRAT will be subject to the issuer's insider trading compliance policy regarding the shares held by the GRAT because of the managerial position with the issuer held by the trustee of the GRAT.