MDU Resources Group, Inc. (NYSE: MDU) Stock Information | RedChip
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MDU Resources Group, Inc. (NYSE: MDU)
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$21.42
+0.2650 ( +1.25% ) 153.3K

MDU Resources Group Inc operates in three business segments, which include the electric segment, which generates, transmits, and distributes electricity in Montana, North Dakota, South Dakota, and Wyoming; The natural gas distribution segment distributes natural gas in those states, as well as in Idaho, Minnesota, Oregon, and Washington; The pipeline segment provides natural gas transportation and underground storage services through a regulated pipeline system in the Rocky Mountain and northern Great Plains regions of the United States.

Market Data


Open $21.42
Previous Close $21.15
Volume 153.3K
Market Cap $4.34B
Day Range $20.94 - $21.44
52 Week Range $15.76 - $22.98
Shares Outstanding 209.01M
Change % +1.25%
Net Change ▲ 0.2650
Insider Ownership N/A
Exchange NYSE
SectorBasic Materials
IndustryMINING & QUARRYING OF NONMETALLIC MINERALS (NO FUELS)
IPO Year1948
CountryUnited States

Insider Ownership Transactions

Total Amount Purchased: 20,000.00

Date Type Amount Purchased Purchaser
2025-09-09 Buy 5000.00 Vollmer Jason L
2025-09-09 Buy 5000.00 Vollmer Jason L
2025-08-19 Buy 5000.00 Vollmer Jason L
2025-08-19 Buy 5000.00 Vollmer Jason L

SEC Filings


Form Type Description Pages Date
10-q Quarterly Reports 145 Nov 10, 2025
8-k 8K-related 15 Nov 06, 2025
4 Insider transactions 1 Oct 01, 2025
4 Insider transactions 1 Oct 01, 2025
4 Insider transactions 1 Sep 09, 2025
4 Insider transactions 1 Aug 19, 2025
3 Insider transactions 1 Aug 14, 2025
3 Insider transactions 1 Aug 14, 2025
8-k 8K-related 15 Aug 13, 2025
8-k 8K-related 16 Aug 07, 2025

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