# Mistras Group, Inc. — DEF 14A

Mistras Group, Inc. of PRINCETON JUNCTION, NJ filed a DEF 14A with the SEC on 2010-09-16. Industry: Services-Engineering Services.

## Filing

- Filed: 2010-09-16
- Form: DEF 14A
- Accession: 0000950123-10-086493
- Registrant: Mistras Group, Inc.
- CIK: 0001436126
- Industry (SIC): Services-Engineering Services (8711)
- State of incorporation: DE
- Location: PRINCETON JUNCTION, NJ

## Documents (5)

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (31)

_Showing 12 of 31 filings._

| Filed | Form |
| --- | --- |
| [2026-04-07](https://search.stillhousedata.com/proxy/0001140361-26-013691) | DEFA14A |
| [2026-04-07](https://search.stillhousedata.com/proxy/0001140361-26-013689) | DEF 14A |
| [2025-04-09](https://search.stillhousedata.com/proxy/0001140361-25-013051) | DEFA14A |
| [2025-04-09](https://search.stillhousedata.com/proxy/0001140361-25-013050) | DEF 14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0001140361-24-017928) | DEFA14A |
| [2024-04-04](https://search.stillhousedata.com/proxy/0001140361-24-017926) | DEF 14A |
| [2023-04-12](https://search.stillhousedata.com/proxy/0001140361-23-017900) | DEFA14A |
| [2023-04-12](https://search.stillhousedata.com/proxy/0001140361-23-017899) | DEF 14A |
| [2022-04-13](https://search.stillhousedata.com/proxy/0001140361-22-014358) | DEFA14A |
| [2022-04-13](https://search.stillhousedata.com/proxy/0001140361-22-014356) | DEF 14A |
| [2021-04-14](https://search.stillhousedata.com/proxy/0001140361-21-012774) | DEFA14A |
| [2021-04-14](https://search.stillhousedata.com/proxy/0001140361-21-012773) | DEF 14A |

## More

- [CIK 1436126 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1436126&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950123-10-086493.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.