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MGE ENERGY INC — Investor Relations & Filings

Ticker · MGEE ISIN · US55277P1049 LEI · 549300BYWGHSXX2TEO67 US Electricity, gas, steam and air conditioning supply
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Filings indexed 800 across all filing types
Latest filing 2026-05-22 Declaration of Voting R…
Country US United States of America
Listing US MGEE

About MGE ENERGY INC

https://www.mgeenergy.com/en/

MGE Energy, Inc. is a public utility holding company. Its principal subsidiary, Madison Gas and Electric Company (MGE), generates and distributes electricity and purchases and distributes natural gas. The company serves residential and commercial customers in south-central and western Wisconsin, providing electricity to approximately 167,000 customers in Dane County and natural gas to 178,000 customers in its service area. MGE Energy utilizes a diverse energy portfolio and is actively investing in renewable sources, including solar, wind, and battery storage systems, to enhance its generation capacity. The company focuses on providing safe and reliable energy services.

Recent filings

Filing Released Lang Actions
8-K
Declaration of Voting Results & Voting Rights Announcements Classification · 97% confidence The document is a Form 8-K reporting the results of shareholder votes at the Annual Meeting, including director elections, ratification of auditor, and advisory compensation vote. This is an announcement of voting results, matching the Declaration of Voting Results & Voting Rights Announcements category.
2026-05-22 English
8-K - MGE ENERGY INC (0001161728) (Filer)
Capital/Financing Update Classification · 92% confidence The document is an SEC Form 8-K reporting the entry into an underwriting agreement and related forward sale agreements for a public offering of common stock. It details the company’s fundraising and capital structure change (sale of 3.3 million shares). This is not a full annual or interim report, nor merely a proxy or certification. It is a financing update, fitting the Capital/Financing Update category.
2026-05-08 English
424B5 - MGE ENERGY INC (0001161728) (Filer)
Capital/Financing Update Classification · 88% confidence The document is a prospectus supplement filed under SEC Rule 424(b)(5) for an equity offering (3,300,331 shares of common stock) and accompanying prospectus. It is clearly a formal financing document announcing and detailing a share capital raise and related underwriting arrangements. This fits the “Capital/Financing Update” category (CAP), which covers company fundraising or financing activities. It is not merely a short notice or report publication announcement, nor an annual or interim report, proxy statement, or other category.
2026-05-07 English
8-K - MGE ENERGY INC (0001161728) (Filer)
Earnings Release Classification · 85% confidence The document is a Form 8-K filed under Item 2.02 “Results of Operations and Financial Condition,” furnishing the Company’s press release announcing first quarter 2026 earnings. This is the standard mechanism for an initial quarterly earnings release. Therefore, it falls under the “Earnings Release” category (ER). Q1 2026
2026-05-05 English
10-Q - MGE ENERGY INC (0001161728) (Filer)
Interim / Quarterly Report Q1 2026
2026-05-05 English
ARS - MGE ENERGY INC (0001161728) (Filer)
Annual Report
2026-04-02 English

Browse filings by year

26 years

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