| 2026-08-10 | 10-Q | 10-Q filed 2026-08-10 by Mistras Group, Inc. |
| 2026-08-10 | 8-K | 8-K filed 2026-08-10 by Mistras Group, Inc. |
| 2026-05-20 | 8-K | 8-K filed 2026-05-20 by Mistras Group, Inc. |
| 2026-05-07 | 10-Q | 10-Q filed 2026-05-07 by Mistras Group, Inc. |
| 2026-05-05 | 8-K | 8-K filed 2026-05-05 by Mistras Group, Inc. |
| 2026-04-07 | DEF 14A | DEF 14A filed 2026-04-07 by Mistras Group, Inc. |
| 2026-03-11 | 10-K | 10-K filed 2026-03-11 by Mistras Group, Inc. |
| 2026-03-04 | 8-K | 8-K filed 2026-03-04 by Mistras Group, Inc. |
| 2025-11-06 | 10-Q | 10-Q filed 2025-11-06 by Mistras Group, Inc. |
| 2025-11-04 | 8-K | 8-K filed 2025-11-04 by Mistras Group, Inc. |
| 2025-09-10 | 8-K | 8-K filed 2025-09-10 by Mistras Group, Inc. |
| 2025-08-11 | 10-Q | 10-Q filed 2025-08-11 by Mistras Group, Inc. |
| 2025-08-06 | 8-K | 8-K filed 2025-08-06 by Mistras Group, Inc. |
| 2025-05-23 | 8-K | 8-K filed 2025-05-23 by Mistras Group, Inc. |
| 2025-05-09 | 10-Q | 10-Q filed 2025-05-09 by Mistras Group, Inc. |
| 2025-05-08 | 8-K | 8-K filed 2025-05-08 by Mistras Group, Inc. |
| 2025-04-09 | DEF 14A | DEF 14A filed 2025-04-09 by Mistras Group, Inc. |
| 2025-03-11 | 10-K | 10-K filed 2025-03-11 by Mistras Group, Inc. |
| 2025-03-05 | 8-K | 8-K filed 2025-03-05 by Mistras Group, Inc. |
| 2025-02-13 | 8-K | 8-K filed 2025-02-13 by Mistras Group, Inc. |
| 2025-02-07 | 8-K | 8-K filed 2025-02-07 by Mistras Group, Inc. |
| 2025-01-02 | 8-K | 8-K filed 2025-01-02 by Mistras Group, Inc. |
| 2025-01-02 | 8-K/A | 8-K/A filed 2025-01-02 by Mistras Group, Inc. |
| 2024-12-16 | 8-K | 8-K filed 2024-12-16 by Mistras Group, Inc. |
| 2024-12-05 | 8-K | 8-K filed 2024-12-05 by Mistras Group, Inc. |
| 2024-11-04 | 10-Q | 10-Q filed 2024-11-04 by Mistras Group, Inc. |
| 2024-10-30 | 8-K | 8-K filed 2024-10-30 by Mistras Group, Inc. |
| 2024-09-18 | 8-K | 8-K filed 2024-09-18 by Mistras Group, Inc. |
| 2024-08-02 | 10-Q | 10-Q filed 2024-08-02 by Mistras Group, Inc. |
| 2024-07-31 | 8-K | 8-K filed 2024-07-31 by Mistras Group, Inc. |