Date Filed | Type | Description |
10/13/2023 |
8-K
| Quarterly results |
10/10/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
08/07/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
08/02/2023 |
8-K/A
| Quarterly results |
08/02/2023 |
8-K
| Quarterly results |
05/24/2023 |
8-K
| Submission of Matters to a Vote of Security Holders |
05/05/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
05/05/2023 |
10-K/A
| Annual Report for the period ended December 31, 2022 [amend] |
04/03/2023 |
8-K
| Changes in Registrant's Certifying Accountant, Financial Statements and Exhibits |
03/15/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
03/08/2023 |
8-K
| Quarterly results |
02/09/2023 |
8-K
| Quarterly results |
02/07/2023 |
SC 13G
| Vahaviolos Sotirios J. reports a 28.8% stake in Mistras Group, Inc. |
01/26/2023 |
SC 13D
| Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust reports a 22.5% stake in Mistras Group, Inc. |
11/07/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
11/02/2022 |
8-K
| Quarterly results |
08/05/2022 |
S-8
| Form S-8 - Securities to be offered to employees in employee benefit plans: |
08/05/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
08/03/2022 |
8-K
| Quarterly results |
08/01/2022 |
8-K
| Entry into a Material Definitive Agreement, Regulation FD Disclosure |
06/24/2022 |
SD
| Form SD - Specialized disclosure report: |
05/25/2022 |
8-K
| Quarterly results |
05/06/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
05/03/2022 |
8-K
| Quarterly results |
04/13/2022 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
04/13/2022 |
8-K
| Regulation FD Disclosure Interactive Data |
04/13/2022 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
03/14/2022 |
10-K
| Annual Report for the period ended December 31, 2021 |
03/09/2022 |
8-K
| Quarterly results |
02/08/2022 |
SC 13G
| Vahaviolos Sotirios J. reports a 29.1% stake in Mistras Group, Inc. |
11/03/2021 |
10-Q
| Quarterly Report for the period ended September 30, 2021 |
11/02/2021 |
8-K
| Quarterly results |
08/03/2021 |
10-Q
| Quarterly Report for the period ended June 30, 2021 |
08/02/2021 |
8-K
| Quarterly results |
|