MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

Summit Trail Advisors, LLC's Holding History (CIK: 0001698478)

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

Q4 2025

Shares 43,815 Value ($000) $859 Avg Close $19.57 Range $17.31 - $21.34

Q3 2025

Shares 56,805 Value ($000) $1,015 Avg Close $16.46 Range $15.63 - $17.87

Q2 2025

Shares 13,590 Value ($000) $224 Avg Close $16.45 Range $14.69 - $17.49

Q4 2017

Shares 728 Value ($000) $19 Avg Close $8.04 Range $7.71 - $8.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	43,815	$859	$19.57	$17.31 - $21.34
Q3 2025	56,805	$1,015	$16.46	$15.63 - $17.87
Q2 2025	13,590	$224	$16.45	$14.69 - $17.49
Q4 2017	728	$19	$8.04	$7.71 - $8.41