Aspasia Felice Vahaviolos - 23 May 2025 SCHEDULE 13G Report for Mistras Group, Inc. Common Stock, $0.01 par value (MG)

Filing Manager: Aspasia Felice Vahaviolos
Reporting Manager: Aspasia Vahaviolos
Security: Mistras Group, Inc. Common Stock, $0.01 par value
Symbol: MG
Shares outstanding: 31,472,423 shares
Disclosed Ownership: 6,105,650 shares
Ownership: 19%
Form type: SCHEDULE 13G
Filing time: 11 Sep 2025, 16:50:07 UTC
Date of event: 23 May 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
Aspasia Vahaviolos	19%	6,105,650	6,105,650	0	Michael C. Keefe	Michael C. Keefe as attorney-in-fact for Aspasia Vahaviolos