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H.I.G. agrees $866m take-private of Mistras Group

A go-shop leaves room for a rival bid for the industrial inspection firm.

M&A News deals deskIndustrials / Testing services · US18 Sept 2026

Mistras Group agreed on 18 September to be acquired by affiliates of H.I.G. Capital for $20.35 per share in cash, valuing the New Jersey-based inspection and testing company at about $866m including debt.

Mistras Group website: mistrasgroup.com

Market context

The price is a modest 8%-13% premium to Mistras's 30- and 90-day average prices, which is why the board negotiated a 40-day go-shop running to 27 October. Mid-cap industrial services companies have been frequent take-private targets for sponsors this year.