MDU RESOURCES GROUP INC — Investor Relations & Filings
Filings indexed
1,703
across all filing types
Latest filing
2026-05-13
Regulatory Filings
Country
US
United States of America
Listing
US
MDU
MDU Resources Group, Inc. is a company that provides essential products and services through two primary business segments: regulated energy delivery and construction services. The regulated energy delivery operations include the generation, transmission, and distribution of electricity, as well as natural gas distribution, transportation, and storage. The construction services business provides a range of offerings, including electrical and mechanical contracting and other specialty construction services to a diverse client base.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 8-K - MDU RESOURCES GROUP INC (0000067716) (Filer) | 2026-05-13 | English | |
| Major Shareholding Notification 2026 | 2026-05-13 | English | |
| 10-Q - MDU RESOURCES GROUP INC (0000067716) (Filer) | 2026-05-07 | English | |
| 8-K - MDU RESOURCES GROUP INC (0000067716) (Filer) | 2026-05-07 | English | |
| Major Shareholding Notification 2026 | 2026-04-30 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English |
Browse filings by year
27 years- 2026 26 filings
- 2025 57 filings
- 2024 65 filings
- 2023 75 filings
- 2022 65 filings
- 2021 52 filings
- 2020 60 filings
- 2019 64 filings
- 2018 56 filings
- 2017 58 filings
- 2016 71 filings
- 2015 57 filings
- 2014 80 filings
- 2013 93 filings
- 2012 51 filings
- 2011 55 filings
- 2010 75 filings
- 2009 77 filings
- 2008 93 filings
- 2007 81 filings
- 2006 78 filings
- 2005 97 filings
- 2004 93 filings
- 2003 41 filings
- 2002 24 filings
- 2001 24 filings
- 2000 35 filings
Market data
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Peer group · Electric power transmission and distribution activities
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Red Electrica Corporacion S.A.
Operates the national electricity grid and telecommunicatio…
|
RED | ES | Electricity, gas, steam and air… |
|
REN-Redes Energeticas Nacionais
Operates and manages national transmission grids for electr…
|
RN4 | PT | Electricity, gas, steam and air… |
|
REPONO LIMITED
Develops and manages battery energy storage systems for gri…
|
544463 | IN | Electricity, gas, steam and air… |
|
Romande Energie Holding SA
Energy services company providing electricity, thermal ener…
|
HREN | CH | Electricity, gas, steam and air… |
|
Rosseti Centre
Electric distribution grid company serving over 13 million …
|
MRKC | RU | Electricity, gas, steam and air… |
|
Rosseti Centr i Privoljye
Electric utility providing power transmission and distribut…
|
MRKP | RU | Electricity, gas, steam and air… |
|
Rosseti Moscow Region
Electric utility specializing in power transmission and dis…
|
MSRS | RU | Electricity, gas, steam and air… |
|
Rosseti Volga
An electric power distribution company that transmits elect…
|
MRKV | RU | Electricity, gas, steam and air… |
|
Sakhalinenergo
Produces, transmits, and sells electrical energy to consume…
|
SLEN | RU | Electricity, gas, steam and air… |
|
SamaraEnergo ao
An energy sales company and guaranteeing supplier of electr…
|
SAGO_p | RU | Electricity, gas, steam and air… |
MDU RESOURCES GROUP INC via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/31231/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31231 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=31231 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=31231 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 31231}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for MDU RESOURCES GROUP INC (id: 31231)"
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