MASTECH DIGITAL INC

Ticker: MHH CUSIP: 57633B100 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 222,848 Value ($000) $1,555 Avg Close $7.19 Range $6.59 - $8.37

Q3 2025

Shares 232,896 Value ($000) $1,776 Avg Close $7.59 Range $6.58 - $8.37

Q2 2025

Shares 239,098 Value ($000) $1,714 Avg Close $7.52 Range $6.20 - $10.26

Q1 2025

Shares 241,138 Value ($000) $2,462 Avg Close $12.21 Range $8.63 - $15.74

Q4 2024

Shares 238,705 Value ($000) $3,557 Avg Close $12.43 Range $8.90 - $16.00

Q3 2024

Shares 234,783 Value ($000) $2,348 Avg Close $9.11 Range $7.20 - $10.90

Q2 2024

Shares 227,350 Value ($000) $1,705 Avg Close $8.32 Range $7.15 - $9.10

Q1 2024

Shares 222,114 Value ($000) $1,999 Avg Close $8.61 Range $8.11 - $9.10

Q4 2023

Shares 222,049 Value ($000) $1,871 Avg Close $8.66 Range $7.50 - $10.00

Q3 2023

Shares 227,222 Value ($000) $2,045 Avg Close $10.36 Range $8.96 - $11.44

Q2 2023

Shares 230,575 Value ($000) $2,278 Avg Close $9.83 Range $8.50 - $12.30

Q1 2023

Shares 230,575 Value ($000) $2,842 Avg Close $12.49 Range $10.70 - $14.16

Q4 2022

Shares 234,916 Value ($000) $3 Avg Close $13.89 Range $10.77 - $15.96

Q3 2022

Shares 234,916 Value ($000) $3,470 Avg Close $15.14 Range $12.72 - $16.65

Q2 2022

Shares 236,516 Value ($000) $3,514 Avg Close $17.92 Range $14.37 - $21.83

Q1 2022

Shares 237,918 Value ($000) $4,399 Avg Close $17.97 Range $16.29 - $19.75

Q4 2021

Shares 237,132 Value ($000) $4,048 Avg Close $17.81 Range $15.89 - $20.60

Q3 2021

Shares 239,631 Value ($000) $4,077 Avg Close $17.01 Range $14.46 - $19.95

Q2 2021

Shares 240,190 Value ($000) $3,591 Avg Close $16.15 Range $14.00 - $18.48

Q1 2021

Shares 234,729 Value ($000) $4,133 Avg Close $17.08 Range $15.33 - $19.50

Q4 2020

Shares 237,003 Value ($000) $3,769 Avg Close $18.06 Range $15.38 - $22.98

Q3 2020

Shares 256,259 Value ($000) $4,616 Avg Close $20.88 Range $17.00 - $26.08

Q2 2020

Shares 260,953 Value ($000) $6,764 Avg Close $17.73 Range $7.85 - $29.98

Q1 2020

Shares 260,304 Value ($000) $3,342 Avg Close $12.70 Range $7.25 - $17.84

Q4 2019

Shares 250,833 Value ($000) $2,777 Avg Close $8.02 Range $5.50 - $11.48

Q3 2019

Shares 244,726 Value ($000) $1,469 Avg Close $5.63 Range $4.78 - $6.36

Q2 2019

Shares 245,841 Value ($000) $1,168 Avg Close $5.37 Range $4.51 - $6.34

Q1 2019

Shares 249,344 Value ($000) $1,537 Avg Close $6.85 Range $5.61 - $8.37

Q4 2018

Shares 249,929 Value ($000) $1,575 Avg Close $6.68 Range $5.80 - $9.59

Q3 2018

Shares 249,669 Value ($000) $2,389 Avg Close $9.76 Range $7.67 - $11.49

Q2 2018

Shares 114,962 Value ($000) $1,851 Avg Close $7.42 Range $5.76 - $9.21

Q1 2018

Shares 121,091 Value ($000) $1,494 Avg Close $5.63 Range $4.71 - $7.96

Q4 2017

Shares 121,879 Value ($000) $1,226 Avg Close $5.51 Range $4.67 - $6.63

Q3 2017

Shares 120,879 Value ($000) $1,545 Avg Close $4.61 Range $3.10 - $7.04

Q2 2017

Shares 124,193 Value ($000) $805 Avg Close $3.39 Range $3.06 - $3.85

Q1 2017

Shares 102,394 Value ($000) $749 Avg Close $3.33 Range $2.90 - $3.70

Q4 2016

Shares 102,394 Value ($000) $697 Avg Close $3.60 Range $3.29 - $4.12

Q3 2016

Shares 103,194 Value ($000) $836 Avg Close $3.69 Range $3.15 - $4.17

Q2 2016

Shares 103,860 Value ($000) $691 Avg Close $3.50 Range $3.13 - $4.00

Q1 2016

Shares 103,860 Value ($000) $750 Avg Close $3.66 Range $3.25 - $4.00

Q4 2015

Shares 103,860 Value ($000) $759 Avg Close $3.90 Range $3.52 - $4.31

Q3 2015

Shares 103,860 Value ($000) $787 Avg Close $3.95 Range $2.65 - $4.60

Q2 2015

Shares 103,860 Value ($000) $925 Avg Close $4.63 Range $4.05 - $5.17

Q1 2015

Shares 111,252 Value ($000) $1,012 Avg Close $4.92 Range $4.26 - $5.75

Q4 2014

Shares 119,123 Value ($000) $1,265 Avg Close $5.38 Range $4.03 - $6.00

Q3 2014

Shares 119,627 Value ($000) $1,256 Avg Close $6.33 Range $5.01 - $8.46

Q2 2014

Shares 120,127 Value ($000) $1,791 Avg Close $8.01 Range $6.83 - $8.89

Q1 2014

Shares 119,527 Value ($000) $1,659 Avg Close $6.92 Range $6.50 - $7.32

Q4 2013

Shares 118,616 Value ($000) $1,659 Avg Close $6.69 Range $4.48 - $9.99

Q3 2013

Shares 91,065 Value ($000) $1,045 Avg Close $4.05 Range $2.82 - $4.69

Q2 2013

Shares 91,592 Value ($000) $706 Avg Close $3.05 Range $2.65 - $3.58

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	222,848	$1,555	$7.19	$6.59 - $8.37
Q3 2025	232,896	$1,776	$7.59	$6.58 - $8.37
Q2 2025	239,098	$1,714	$7.52	$6.20 - $10.26
Q1 2025	241,138	$2,462	$12.21	$8.63 - $15.74
Q4 2024	238,705	$3,557	$12.43	$8.90 - $16.00
Q3 2024	234,783	$2,348	$9.11	$7.20 - $10.90
Q2 2024	227,350	$1,705	$8.32	$7.15 - $9.10
Q1 2024	222,114	$1,999	$8.61	$8.11 - $9.10
Q4 2023	222,049	$1,871	$8.66	$7.50 - $10.00
Q3 2023	227,222	$2,045	$10.36	$8.96 - $11.44
Q2 2023	230,575	$2,278	$9.83	$8.50 - $12.30
Q1 2023	230,575	$2,842	$12.49	$10.70 - $14.16
Q4 2022	234,916	$3	$13.89	$10.77 - $15.96
Q3 2022	234,916	$3,470	$15.14	$12.72 - $16.65
Q2 2022	236,516	$3,514	$17.92	$14.37 - $21.83
Q1 2022	237,918	$4,399	$17.97	$16.29 - $19.75
Q4 2021	237,132	$4,048	$17.81	$15.89 - $20.60
Q3 2021	239,631	$4,077	$17.01	$14.46 - $19.95
Q2 2021	240,190	$3,591	$16.15	$14.00 - $18.48
Q1 2021	234,729	$4,133	$17.08	$15.33 - $19.50
Q4 2020	237,003	$3,769	$18.06	$15.38 - $22.98
Q3 2020	256,259	$4,616	$20.88	$17.00 - $26.08
Q2 2020	260,953	$6,764	$17.73	$7.85 - $29.98
Q1 2020	260,304	$3,342	$12.70	$7.25 - $17.84
Q4 2019	250,833	$2,777	$8.02	$5.50 - $11.48
Q3 2019	244,726	$1,469	$5.63	$4.78 - $6.36
Q2 2019	245,841	$1,168	$5.37	$4.51 - $6.34
Q1 2019	249,344	$1,537	$6.85	$5.61 - $8.37
Q4 2018	249,929	$1,575	$6.68	$5.80 - $9.59
Q3 2018	249,669	$2,389	$9.76	$7.67 - $11.49
Q2 2018	114,962	$1,851	$7.42	$5.76 - $9.21
Q1 2018	121,091	$1,494	$5.63	$4.71 - $7.96
Q4 2017	121,879	$1,226	$5.51	$4.67 - $6.63
Q3 2017	120,879	$1,545	$4.61	$3.10 - $7.04
Q2 2017	124,193	$805	$3.39	$3.06 - $3.85
Q1 2017	102,394	$749	$3.33	$2.90 - $3.70
Q4 2016	102,394	$697	$3.60	$3.29 - $4.12
Q3 2016	103,194	$836	$3.69	$3.15 - $4.17
Q2 2016	103,860	$691	$3.50	$3.13 - $4.00
Q1 2016	103,860	$750	$3.66	$3.25 - $4.00
Q4 2015	103,860	$759	$3.90	$3.52 - $4.31
Q3 2015	103,860	$787	$3.95	$2.65 - $4.60
Q2 2015	103,860	$925	$4.63	$4.05 - $5.17
Q1 2015	111,252	$1,012	$4.92	$4.26 - $5.75
Q4 2014	119,123	$1,265	$5.38	$4.03 - $6.00
Q3 2014	119,627	$1,256	$6.33	$5.01 - $8.46
Q2 2014	120,127	$1,791	$8.01	$6.83 - $8.89
Q1 2014	119,527	$1,659	$6.92	$6.50 - $7.32
Q4 2013	118,616	$1,659	$6.69	$4.48 - $9.99
Q3 2013	91,065	$1,045	$4.05	$2.82 - $4.69
Q2 2013	91,592	$706	$3.05	$2.65 - $3.58