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Jul 15, 2025 04:04PM Form SCHEDULE 13G Mistras Group, Inc. Filed by: DIMENSIONAL FUND ADVISORS LP

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Feb 10, 2021 11:31AM Form SC 13G/A Mistras Group, Inc. Filed by: VANGUARD GROUP INC

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Aug 20, 2019 01:17PM Form SC 13G/A Mistras Group, Inc. Filed by: BERNZOTT CAPITAL ADVISORS

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Feb 9, 2018 09:48AM Form SC 13G Mistras Group, Inc. Filed by: VANGUARD GROUP INC

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Feb 11, 2016 01:58PM Form SC 13G/A Mistras Group, Inc. Filed by: WELLINGTON MANAGEMENT GROUP LLP

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Oct 8, 2014 01:03PM Unusual 11 Mid-Day Movers 10/8: (GTAT) (UNIS) (TRT) Higher; (ARWR) (ATEN) (MG) Lower

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