Company facts
- Industry
- Services-Engineering Services
- Headquarters
- Princeton Junction, New Jersey
- Most recent report
- 10-Q, filed Aug 10, 2026
- Incorporated
- Delaware
- Filings on record
- 1,002+ filings
- On EDGAR
- CIK 1436126
- Fiscal year ends
- December
- Filer status
- Accelerated filer
Financials 8 of 65
News 8 of 138
Prospectuses and Registrations 8 of 9
- S-8 Registration statement for an employee plan Jun 18, 2026
- S-8 Registration statement for an employee plan May 22, 2024
- S-8 Registration statement for an employee plan Aug 5, 2022
- S-8 Registration statement for an employee plan Mar 17, 2021
- S-8 Registration statement for an employee plan Mar 30, 2017
- 424B5 Prospectus supplement for an offering May 6, 2011
- 424B5 Prospectus supplement for an offering May 2, 2011
- S-3/A Shelf registration statement, amended Apr 20, 2011
Proxies 8 of 31
- DEFA14A Extra proxy material Apr 7, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 7, 2026
- DEFA14A Extra proxy material Apr 9, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 9, 2025
- DEFA14A Extra proxy material Apr 4, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 4, 2024
- DEFA14A Extra proxy material Apr 12, 2023
- DEF 14A Proxy statement for a shareholder vote Apr 12, 2023
Ownership 8 of 707
- SCHEDULE 13G/A Large holder reported a passive stake, amended Aug 13, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Jun 12, 2026
- 4 Insider reported a trade Jun 12, 2026
- 4 Insider reported a trade Jun 12, 2026
- SCHEDULE 13D/A Large holder reported an active stake, amended Jun 4, 2026
- 4 Insider reported a trade Jun 4, 2026
- 4 Insider reported a trade Jun 4, 2026
- 3 Insider reported their initial holding Jun 4, 2026
Other 8 of 52
- SD Conflict minerals disclosure May 27, 2026
- ARS Annual report sent to shareholders Apr 8, 2026
- UPLOAD Comment letter from SEC staff Jun 12, 2025
- CORRESP Reply to SEC staff Jun 12, 2025
- UPLOAD Comment letter from SEC staff Jun 11, 2025
- ARS/A Annual report sent to shareholders, amended Jun 2, 2025
- CORRESP Reply to SEC staff Jun 2, 2025
- SD Conflict minerals disclosure May 30, 2025
Everything here comes from Mistras Group, Inc.'s own filings on SEC EDGAR. The filing list is rechecked every hour.