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Schedule 13D filing
Foglia Stephanie Athena disclosed a 19.1% stake in Mistras Group, Inc. (MG)
Foglia Stephanie Athena reported owning 19.1% of Mistras Group, Inc. (MG) (6,078,259 shares) in a Schedule 13D filed Sep 21, 2026.
A 13D means the holder may push for changes at the company.
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From a public Schedule 13D, linked above. Not investment advice, and not a recommendation to buy or sell.