MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 40,796 Value ($000) $516 Avg Close $11.28 Range $9.37 - $13.43

Q3 2025

Shares 81,930 Value ($000) $806 Avg Close $8.90 Range $7.74 - $10.10

Q2 2025

Shares 153,312 Value ($000) $1,228 Avg Close $8.41 Range $7.06 - $10.57

Q1 2025

Shares 114,946 Value ($000) $1,216 Avg Close $9.87 Range $8.78 - $10.95

Q4 2024

Shares 108,530 Value ($000) $983 Avg Close $9.85 Range $8.10 - $12.44

Q3 2024

Shares 214,802 Value ($000) $2,442 Avg Close $10.27 Range $7.83 - $12.27

Q2 2024

Shares 39,612 Value ($000) $0 Avg Close $8.75 Range $7.45 - $9.85

Q1 2024

Shares 39,014 Value ($000) $0 Avg Close $8.34 Range $7.09 - $9.80

Q1 2023

Shares 20,477 Value ($000) $0 Avg Close $5.47 Range $4.85 - $6.79

Q4 2022

Shares 20,477 Value ($000) $0 Avg Close $4.53 Range $3.38 - $5.42

Q3 2022

Shares 26,747 Value ($000) $119 Avg Close $5.66 Range $4.39 - $6.72

Q2 2022

Shares 15,476 Value ($000) $92 Avg Close $5.91 Range $5.06 - $6.83

Q1 2022

Shares 20,531 Value ($000) $136 Avg Close $6.80 Range $5.97 - $8.02

Q4 2021

Shares 126,040 Value ($000) $936 Avg Close $8.79 Range $7.05 - $11.29

Q3 2021

Shares 243,605 Value ($000) $2,475 Avg Close $9.87 Range $8.99 - $11.38

Q2 2021

Shares 259,840 Value ($000) $2,554 Avg Close $10.78 Range $9.34 - $12.37

Q1 2021

Shares 262,440 Value ($000) $2,994 Avg Close $8.84 Range $6.66 - $12.57

Q4 2020

Shares 268,240 Value ($000) $2,082 Avg Close $5.21 Range $3.69 - $8.16

Q3 2020

Shares 258,710 Value ($000) $1,012 Avg Close $4.02 Range $3.15 - $5.35

Q2 2020

Shares 208,510 Value ($000) $824 Avg Close $4.14 Range $3.00 - $6.34

Q1 2020

Shares 239,953 Value ($000) $1,022 Avg Close $9.13 Range $2.77 - $14.39

Q4 2019

Shares 174,405 Value ($000) $2,489 Avg Close $14.14 Range $12.20 - $16.73

Q3 2019

Shares 112,444 Value ($000) $1,844 Avg Close $15.34 Range $14.04 - $16.95

Q2 2019

Shares 11,128 Value ($000) $160 Avg Close $13.76 Range $12.38 - $14.89

Q1 2019

Shares 105,958 Value ($000) $1,463 Avg Close $14.96 Range $13.01 - $16.38

Q4 2018

Shares 12,732 Value ($000) $183 Avg Close $17.57 Range $13.66 - $22.00

Q1 2017

Shares 26,539 Value ($000) $567 Avg Close $22.67 Range $19.49 - $26.46

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	40,796	$516	$11.28	$9.37 - $13.43
Q3 2025	81,930	$806	$8.90	$7.74 - $10.10
Q2 2025	153,312	$1,228	$8.41	$7.06 - $10.57
Q1 2025	114,946	$1,216	$9.87	$8.78 - $10.95
Q4 2024	108,530	$983	$9.85	$8.10 - $12.44
Q3 2024	214,802	$2,442	$10.27	$7.83 - $12.27
Q2 2024	39,612	$0	$8.75	$7.45 - $9.85
Q1 2024	39,014	$0	$8.34	$7.09 - $9.80
Q1 2023	20,477	$0	$5.47	$4.85 - $6.79
Q4 2022	20,477	$0	$4.53	$3.38 - $5.42
Q3 2022	26,747	$119	$5.66	$4.39 - $6.72
Q2 2022	15,476	$92	$5.91	$5.06 - $6.83
Q1 2022	20,531	$136	$6.80	$5.97 - $8.02
Q4 2021	126,040	$936	$8.79	$7.05 - $11.29
Q3 2021	243,605	$2,475	$9.87	$8.99 - $11.38
Q2 2021	259,840	$2,554	$10.78	$9.34 - $12.37
Q1 2021	262,440	$2,994	$8.84	$6.66 - $12.57
Q4 2020	268,240	$2,082	$5.21	$3.69 - $8.16
Q3 2020	258,710	$1,012	$4.02	$3.15 - $5.35
Q2 2020	208,510	$824	$4.14	$3.00 - $6.34
Q1 2020	239,953	$1,022	$9.13	$2.77 - $14.39
Q4 2019	174,405	$2,489	$14.14	$12.20 - $16.73
Q3 2019	112,444	$1,844	$15.34	$14.04 - $16.95
Q2 2019	11,128	$160	$13.76	$12.38 - $14.89
Q1 2019	105,958	$1,463	$14.96	$13.01 - $16.38
Q4 2018	12,732	$183	$17.57	$13.66 - $22.00
Q1 2017	26,539	$567	$22.67	$19.49 - $26.46