FilingIndex
SC 13D/AThe Stakes

Mistras Group, Inc. files SC 13D/A

Filed Jun 4, 2026 · 26d ago · Accession 0000897101-26-000203

Plain English

Activist stake — an investor has acquired more than 5% with intent to influence.

Read the source below for the full document.

Filing details
Ticker
MG
CIK
1436126
Form type
SC 13D/A
Filing date
Jun 4, 2026
Report date
Document
Size