Key facts
- Aspasia Felice Vahaviolos filed SCHEDULE 13G for Mistras Group, Inc. Common Stock, $0.01 par value (MG).
- Disclosed ownership: 19%.
- Date of event: 31 Dec 2025.
Aspasia Felice Vahaviolos - 31 Dec 2025 SCHEDULE 13G Report for Mistras Group, Inc. Common Stock, $0.01 par value (MG)
- Filing Manager
- Aspasia Felice Vahaviolos
- Reporting Manager
- Aspasia Vahaviolos
- Symbol
- MG
- Shares outstanding
- 31,602,743 shares
- Disclosed Ownership
- 6,105,650 shares
- Ownership
- 19%
- Form type
- SCHEDULE 13G
- Filing time
- 31 Mar 2026, 16:17:44 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 11 Sep 2025
- SEC
- View on sec.gov
Key filing fact
Aspasia Felice Vahaviolos disclosed 19% ownership in Mistras Group, Inc. Common Stock, $0.01 par value (MG) on 31 Dec 2025.
Change
- Previous schedule filing date: 11 Sep 2025.
- Current filing was accepted on 31 Mar 2026, 16:17.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (1)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Aspasia Vahaviolos | 19% | 6,105,650 | 854,292 | 5,251,358 | /s/Aspasia Vahaviolos | Aspasia Vahaviolos |
CIK / CUSIP context first