| Owner | Filings | Transaction Date | Type of Owner |
|---|---|---|---|
| Sotirios Vahaviolos January 2023 2-Year Grantor Retained Annuity Trust | 0001963130 | Jan-09-2023 | 10 percent owner |
| PIZZI CHARLES P | 0001192898 | Jan-01-2021 | director |
| Lohmeier Michelle | 0001645009 | May-15-2019 | director |
| Prajzner Edward J | 0001361681 | Jan-05-2018 | officer: Sr. VP, CFO and Treasurer |
| DEBENEDICTIS NICHOLAS | 0001194707 | Oct-20-2015 | director |
| WELDON WAYNE CURTIS | 0001512845 | Oct-21-2014 | director |
| Wolk Jonathan H | 0001311412 | Nov-18-2013 | officer: EVP, Chief Financial Officer |
| Orlando Philip | 0001590578 | Sep-04-2013 | officer: Principal Financial Officer |
| Vogel Justin | 0001590582 | Sep-04-2013 | officer: Principal Accounting Officer |
| DICKINSON DANIEL M | 0001264714 | May-11-2011 | director, 10 percent owner |
| TC NDT Holdings, L.L.C. | 0001473716 | May-11-2011 | 10 percent owner |
| FORESE JAMES J | 0001179521 | Apr-15-2011 | director, 10 percent owner |
| Ruff Ellen T | 0001370621 | Feb-15-2011 | director |
| Bertolotti Dennis | 0001501429 | Sep-13-2010 | officer: President and COO, Services |
| Keefe Michael C | 0001396018 | Aug-19-2010 | officer: EVP, General Counsel |
| Genesi Ralph L. | 0001473729 | Aug-19-2010 | officer: Group EVP, Marketing and Sales |
| Cole Phillip T. | 0001473734 | Aug-19-2010 | officer: Group EVP, International |
| Lange Michael J. | 0001473738 | Aug-19-2010 | director, officer: Group EVP, Services |
| GLANTON RICHARD H | 0001060493 | Aug-13-2010 | director |
| Vahaviolos Sotirios J. | 0001473727 | Aug-13-2010 | director, 10 percent owner, officer: Chairman, President and CEO |
| Carlos Mark F. | 0001473730 | Aug-13-2010 | officer: Group EVP, Products & Systems |
| Stamatakis Manuel N. | 0001473735 | Aug-13-2010 | director |
| JOYCE FRANCIS T | 0001255898 | Jul-12-2010 | officer: EVP, CFO and Treasurer |
| Burgess Elizabeth | 0001473728 | Oct-07-2009 | director, 10 percent owner |
| Peterik Paul | 0001473736 | Oct-07-2009 | officer: Chief Financial Officer |
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Includes all SEC registration details as well as a list of all documents (S-1, Prospectus, Current Reports, 8-K, 10K, Annual Reports) filed by Mistras Group, Inc.
| Filings | Format | Description | Filed/Effective | File/Film Number |
|---|---|---|---|---|
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000054 ( Act) Size: 0 KB |
Mar-23-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000052 ( Act) Size: 0 KB |
Mar-17-2026 | |
| 10-K | Document | Annual report pursuant to section 13 and 15(d) Acc-no: 0001628280-26-016765 (34 Act) Size: KB |
Mar-11-2026 | 26742822 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000050 ( Act) Size: 0 KB |
Mar-10-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000048 ( Act) Size: 0 KB |
Mar-10-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000043 ( Act) Size: 0 KB |
Mar-10-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000041 ( Act) Size: 0 KB |
Mar-10-2026 | |
| 4/A | Document | Amendment to Statement of changes in beneficial ownership of securities Acc-no: 0002018025-26-000003 ( Act) Size: KB |
Mar-09-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000039 ( Act) Size: 0 KB |
Mar-06-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000036 ( Act) Size: 0 KB |
Mar-06-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000034 ( Act) Size: 0 KB |
Mar-06-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0002018025-26-000001 ( Act) Size: 0 KB |
Mar-04-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0002087458-26-000001 ( Act) Size: 0 KB |
Mar-04-2026 | |
| 8-K | Document | Current report filing Acc-no: 0001628280-26-014662 (34 Act) Size: KB |
Mar-04-2026 | 26721993 |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000020 ( Act) Size: 0 KB |
Mar-03-2026 | |
| 3 | Document | Initial statement of beneficial ownership of securities Acc-no: 0001192482-26-000102 ( Act) Size: 0 KB |
Feb-27-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001192482-26-000101 ( Act) Size: 0 KB |
Feb-27-2026 | |
| 4/A | Document | Amendment to Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000015 ( Act) Size: KB |
Jan-09-2026 | |
| 4/A | Document | Amendment to Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000013 ( Act) Size: KB |
Jan-09-2026 | |
| 4 | Document | Statement of changes in beneficial ownership of securities Acc-no: 0001436126-26-000011 ( Act) Size: 0 KB |
Jan-05-2026 |
Recent 20 filings. View all Mistras Group, Inc. filings
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