MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

Note: Option positions (PUT/CALL) are excluded.

Q3 2022

Shares 28,570 Value ($000) $127 Avg Close $5.66 Range $4.39 - $6.72

Q2 2022

Shares 28,256 Value ($000) $168 Avg Close $5.91 Range $5.06 - $6.83

Q1 2022

Shares 25,218 Value ($000) $167 Avg Close $6.80 Range $5.97 - $8.02

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	28,570	$127	$5.66	$4.39 - $6.72
Q2 2022	28,256	$168	$5.91	$5.06 - $6.83
Q1 2022	25,218	$167	$6.80	$5.97 - $8.02