MDU RESOURCES GROUP INC

MDU - Company ID 0000067716

Market cap$4.38 B

Rank#1519

Filings1,789

MDU RESOURCES GROUP INC has filed 1,789 public company documents between 1994 and 2026. The most frequent type is insider trade (844 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$4.38 BMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyRank #1519See 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
3/A	3/A	22y ago2003-08-21	2003-08-13	View filing
4	Insider trade	22y ago2003-08-20	2003-05-23	View filing
4	Insider trade	22y ago2003-08-20	2003-08-18	View filing
10-Q	Quarterly report	22y ago2003-08-13	2003-06-30	View filing
8-K	Major company event	22y ago2003-07-24	2003-06-30	View filing
3	New insider ownership	23y ago2003-07-11	2003-07-01	View filing
4	Insider trade	23y ago2003-07-02	2003-06-30	View filing
4	Insider trade	23y ago2003-07-02	2003-06-30	View filing
4	Insider trade	23y ago2003-07-02	2003-06-30	View filing
11-K	Employee plan annual report	23y ago2003-06-26	2002-12-31	View filing
S-3/A	S-3/A	23y ago2003-06-13	-	View filing
10-Q	Quarterly report	23y ago2003-05-14	2003-03-31	View filing
8-K	Major company event	23y ago2003-04-22	2003-03-31	View filing
S-3	Securities registration	23y ago2003-03-31	-	View filing
8-K	Major company event	23y ago2003-03-13	2003-03-11	View filing
POS AM	POS AM	23y ago2003-03-10	-	View filing
8-A12B/A	8-A12B/A	23y ago2003-03-10	-	View filing
DEF 14A	Proxy statement	23y ago2003-03-06	2003-04-22	View filing
ARS	Annual report to shareholders	23y ago2003-03-04	2002-12-31	View filing
10-K	Annual report	23y ago2003-02-28	2002-12-31	View filing
SC 13G/A	Passive ownership stake (update)	23y ago2003-02-14	-	View filing
8-K	Major company event	23y ago2003-01-29	2002-12-31	View filing
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
424B2	Prospectus supplement	24y ago2001-12-31	-	View filing
424B2	Prospectus supplement	24y ago2001-12-31	-	View filing
10-Q	Quarterly report	24y ago2001-10-26	2001-09-30	View filing
S-8	Employee stock plan	24y ago2001-10-01	-	View filing

MDU RESOURCES GROUP INC

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