Mistras Group, Inc. — Director's Dealing 2025

Oct 1, 2025

SEC Form 4/A — Form 4/A

Issuer: Mistras Group, Inc. (MG)
CIK: 0001436126
Period of Report: 2025-09-15

Reporting Person: Coggins Eileen Mary (EVP & Chief Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-15	Common Stock	A	15000	—	Acquired	15000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-09-15	Right to buy	$9.55	A	25000	Acquired	2035-09-14	Common Stock (25000)	Direct

Footnotes

F1: Represents an award of restricted stock units that will vest 100% on the first anniversary date of the grant.

F2: This corrects the transaction code which was incorrectly filed originally as "P" (Purchase) rather than as "A" (Award) which these transactions represent.