MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Washington Trust Bank's Holding History (CIK: 0000861787)

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

Q4 2025

Shares 99,619 Value ($000) $1,945 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 100,341 Value ($000) $1,787 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 100,341 Value ($000) $1,673 Avg Close $16.45 Range $14.69 - $17.49

Q1 2025

Shares 100,341 Value ($000) $1,697 Avg Close $16.76 Range $15.90 - $18.33

Q4 2024

Shares 100,341 Value ($000) $1,808 Avg Close $16.91 Range $14.27 - $19.63

Q3 2024

Shares 100,869 Value ($000) $2,765 Avg Close $13.65 Range $12.67 - $14.89

Q2 2024

Shares 100,869 Value ($000) $2,532 Avg Close $13.17 Range $12.37 - $13.72

Q1 2024

Shares 100,869 Value ($000) $2,542 Avg Close $10.98 Range $9.86 - $13.32

Q4 2023

Shares 100,869 Value ($000) $1,997 Avg Close $9.95 Range $9.41 - $10.65

Q3 2023

Shares 101,411 Value ($000) $1,986 Avg Close $10.78 Range $10.08 - $11.69

Q2 2023

Shares 101,411 Value ($000) $2,124 Avg Close $10.43 Range $9.61 - $10.94

Q1 2023

Shares 101,411 Value ($000) $3,091 Avg Close $10.70 Range $9.98 - $11.37

Q4 2022

Shares 101,411 Value ($000) $3 Avg Close $10.27 Range $9.29 - $11.06

Q3 2022

Shares 101,702 Value ($000) $2,781 Avg Close $10.02 Range $8.94 - $11.08

Q2 2022

Shares 101,702 Value ($000) $2,744 Avg Close $9.15 Range $8.51 - $9.69

Q1 2022

Shares 101,702 Value ($000) $2,710 Avg Close $9.45 Range $8.60 - $10.74

Q4 2021

Shares 101,702 Value ($000) $3,136 Avg Close $9.99 Range $9.15 - $10.63

Q3 2021

Shares 119,384 Value ($000) $3,543 Avg Close $10.53 Range $9.83 - $11.13

Q2 2021

Shares 119,384 Value ($000) $3,742 Avg Close $10.95 Range $10.22 - $11.62

Q1 2021

Shares 119,384 Value ($000) $3,773 Avg Close $9.46 Range $8.38 - $10.66

Q4 2020

Shares 119,384 Value ($000) $3,144 Avg Close $8.05 Range $7.18 - $8.74

Q3 2020

Shares 119,720 Value ($000) $2,693 Avg Close $7.32 Range $6.58 - $8.03

Q2 2020

Shares 148,350 Value ($000) $3,290 Avg Close $7.03 Range $5.94 - $8.01

Q1 2020

Shares 148,350 Value ($000) $3,189 Avg Close $8.83 Range $4.81 - $10.26

Q4 2019

Shares 153,412 Value ($000) $4,558 Avg Close $9.10 Range $8.60 - $9.50

Q3 2019

Shares 155,159 Value ($000) $4,374 Avg Close $8.44 Range $7.93 - $9.12

Q2 2019

Shares 155,159 Value ($000) $4,003 Avg Close $7.99 Range $7.59 - $8.30

Q1 2019

Shares 155,159 Value ($000) $4,008 Avg Close $7.90 Range $7.22 - $8.40

Q4 2018

Shares 150,083 Value ($000) $3,578 Avg Close $7.88 Range $7.03 - $8.27

Q3 2018

Shares 141,593 Value ($000) $3,637 Avg Close $8.58 Range $7.77 - $9.02

Q2 2018

Shares 146,655 Value ($000) $4,206 Avg Close $8.49 Range $8.18 - $8.87

Q1 2018

Shares 146,655 Value ($000) $4,130 Avg Close $8.03 Range $7.29 - $8.53

Q4 2017

Shares 146,691 Value ($000) $3,943 Avg Close $8.04 Range $7.71 - $8.41

Q3 2017

Shares 143,043 Value ($000) $3,712 Avg Close $7.77 Range $7.44 - $8.20

Q2 2017

Shares 84,902 Value ($000) $2,224 Avg Close $7.92 Range $7.51 - $8.25

Q1 2017

Shares 84,902 Value ($000) $2,324 Avg Close $8.03 Range $7.53 - $8.67

Q4 2016

Shares 84,902 Value ($000) $2,443 Avg Close $7.89 Range $7.09 - $8.72

Q3 2016

Shares 86,169 Value ($000) $2,192 Avg Close $6.91 Range $6.46 - $7.47

Q2 2016

Shares 86,142 Value ($000) $2,067 Avg Close $6.12 Range $5.33 - $6.90

Q1 2016

Shares 86,142 Value ($000) $1,676 Avg Close $5.02 Range $4.40 - $5.57

Q4 2015

Shares 81,080 Value ($000) $1,485 Avg Close $5.10 Range $4.59 - $5.49

Q3 2015

Shares 83,848 Value ($000) $1,442 Avg Close $4.95 Range $4.48 - $5.44

Q2 2015

Shares 83,848 Value ($000) $1,638 Avg Close $5.79 Range $5.30 - $6.32

Q1 2015

Shares 83,848 Value ($000) $1,789 Avg Close $6.06 Range $5.47 - $6.65

Q4 2014

Shares 82,348 Value ($000) $1,935 Avg Close $6.84 Range $5.78 - $7.67

Q3 2014

Shares 144,808 Value ($000) $4,027 Avg Close $8.38 Range $7.36 - $9.47

Q2 2014

Shares 172,841 Value ($000) $6,067 Avg Close $9.15 Range $8.68 - $9.59

Q1 2014

Shares 175,728 Value ($000) $6,029 Avg Close $8.65 Range $7.84 - $9.29

Q3 2013

Shares 90,000 Value ($000) $2,517 Avg Close $7.25 Range $6.78 - $7.90

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	99,619	$1,945	$19.57	$17.31 - $21.34
Q3 2025	100,341	$1,787	$16.46	$15.63 - $17.87
Q2 2025	100,341	$1,673	$16.45	$14.69 - $17.49
Q1 2025	100,341	$1,697	$16.76	$15.90 - $18.33
Q4 2024	100,341	$1,808	$16.91	$14.27 - $19.63
Q3 2024	100,869	$2,765	$13.65	$12.67 - $14.89
Q2 2024	100,869	$2,532	$13.17	$12.37 - $13.72
Q1 2024	100,869	$2,542	$10.98	$9.86 - $13.32
Q4 2023	100,869	$1,997	$9.95	$9.41 - $10.65
Q3 2023	101,411	$1,986	$10.78	$10.08 - $11.69
Q2 2023	101,411	$2,124	$10.43	$9.61 - $10.94
Q1 2023	101,411	$3,091	$10.70	$9.98 - $11.37
Q4 2022	101,411	$3	$10.27	$9.29 - $11.06
Q3 2022	101,702	$2,781	$10.02	$8.94 - $11.08
Q2 2022	101,702	$2,744	$9.15	$8.51 - $9.69
Q1 2022	101,702	$2,710	$9.45	$8.60 - $10.74
Q4 2021	101,702	$3,136	$9.99	$9.15 - $10.63
Q3 2021	119,384	$3,543	$10.53	$9.83 - $11.13
Q2 2021	119,384	$3,742	$10.95	$10.22 - $11.62
Q1 2021	119,384	$3,773	$9.46	$8.38 - $10.66
Q4 2020	119,384	$3,144	$8.05	$7.18 - $8.74
Q3 2020	119,720	$2,693	$7.32	$6.58 - $8.03
Q2 2020	148,350	$3,290	$7.03	$5.94 - $8.01
Q1 2020	148,350	$3,189	$8.83	$4.81 - $10.26
Q4 2019	153,412	$4,558	$9.10	$8.60 - $9.50
Q3 2019	155,159	$4,374	$8.44	$7.93 - $9.12
Q2 2019	155,159	$4,003	$7.99	$7.59 - $8.30
Q1 2019	155,159	$4,008	$7.90	$7.22 - $8.40
Q4 2018	150,083	$3,578	$7.88	$7.03 - $8.27
Q3 2018	141,593	$3,637	$8.58	$7.77 - $9.02
Q2 2018	146,655	$4,206	$8.49	$8.18 - $8.87
Q1 2018	146,655	$4,130	$8.03	$7.29 - $8.53
Q4 2017	146,691	$3,943	$8.04	$7.71 - $8.41
Q3 2017	143,043	$3,712	$7.77	$7.44 - $8.20
Q2 2017	84,902	$2,224	$7.92	$7.51 - $8.25
Q1 2017	84,902	$2,324	$8.03	$7.53 - $8.67
Q4 2016	84,902	$2,443	$7.89	$7.09 - $8.72
Q3 2016	86,169	$2,192	$6.91	$6.46 - $7.47
Q2 2016	86,142	$2,067	$6.12	$5.33 - $6.90
Q1 2016	86,142	$1,676	$5.02	$4.40 - $5.57
Q4 2015	81,080	$1,485	$5.10	$4.59 - $5.49
Q3 2015	83,848	$1,442	$4.95	$4.48 - $5.44
Q2 2015	83,848	$1,638	$5.79	$5.30 - $6.32
Q1 2015	83,848	$1,789	$6.06	$5.47 - $6.65
Q4 2014	82,348	$1,935	$6.84	$5.78 - $7.67
Q3 2014	144,808	$4,027	$8.38	$7.36 - $9.47
Q2 2014	172,841	$6,067	$9.15	$8.68 - $9.59
Q1 2014	175,728	$6,029	$8.65	$7.84 - $9.29
Q3 2013	90,000	$2,517	$7.25	$6.78 - $7.90