MG ▲ +2.5% - Mistras Group, Inc. $MG - MISTRAS Group, Inc. Enters into Definitive Agreement to Be Acquired by H.I.G. Capital for $20.35 Per Share in Cash Mistras Group shares rose 2.5% after the company announced it has agreed to be acquired by H.I.G. Capital for $20.35 per share in an all-cash transaction. The deal price represents a premium to the stock's recent trading levels, prompting investor approval of the takeover terms. 18-SEP-2026 07:00 AM ET