MDU RESOURCES GROUP INC

MDU - Company ID 0000067716

Market cap$4.34 B

Rank#1527

Filings1,787

MDU RESOURCES GROUP INC has filed 1,787 public company documents between 1994 and 2026. The most frequent type is insider trade (843 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Continue researchMDU overview$4.34 BMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyRank #1527See the market value trend behind the filing history.

Continue researchRevenue trendAnnual historyMove from documents into filing-backed operating results.

Continue researchCompare with VMCPeer viewPut MDU beside VMC across market cap, revenue, income, and filings.

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Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Type	Filing	Filed	Period covered	Open
8-K	Major company event	23y ago2002-12-23	2002-12-20	View filing
424B5	Prospectus supplement	23y ago2002-11-21	-	View filing
424B5	Prospectus supplement	23y ago2002-11-20	-	View filing
8-K	Major company event	23y ago2002-11-18	2002-11-18	View filing
S-3	Securities registration	23y ago2002-11-18	-	View filing
10-Q	Quarterly report	23y ago2002-11-14	2002-09-30	View filing
8-K	Major company event	23y ago2002-11-05	2002-11-01	View filing
8-K	Major company event	23y ago2002-10-23	2002-10-22	View filing
8-K	Major company event	23y ago2002-08-14	2002-08-14	View filing
10-Q	Quarterly report	23y ago2002-08-13	2002-06-30	View filing
8-K	Major company event	23y ago2002-07-25	2002-06-30	View filing
11-K	Employee plan annual report	24y ago2002-06-26	2001-12-31	View filing
10-Q	Quarterly report	24y ago2002-05-14	2002-03-31	View filing
8-K	Major company event	24y ago2002-04-29	2002-03-31	View filing
8-K	Major company event	24y ago2002-03-28	2002-03-25	View filing
S-8	Employee stock plan	24y ago2002-03-25	-	View filing
ARS	Annual report to shareholders	24y ago2002-03-06	2001-12-31	View filing
DEF 14A	Proxy statement	24y ago2002-03-05	2002-04-23	View filing
10-K	Annual report	24y ago2002-03-01	2001-12-31	View filing
8-K	Major company event	24y ago2002-02-20	2002-02-14	View filing
SC 13G	Passive ownership stake	24y ago2002-02-14	-	View filing
PRE 14A	PRE 14A	24y ago2002-02-04	2002-04-23	View filing
8-K	Major company event	24y ago2002-01-25	2002-01-24	View filing
8-K	Major company event	24y ago2002-01-03	2001-12-31	View filing

MDU RESOURCES GROUP INC

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