[8-K] MGE ENERGY INC Reports Material Event

Rhea-AI Filing Summary

MGE Energy, Inc. reported that it furnished its third quarter 2025 earnings press release under Item 2.02. The press release, dated November 5, 2025, is attached as Exhibit 99.1.

This combined report is furnished separately by MGE Energy and Madison Gas and Electric Company; each provides information on its own behalf. No financial statements, pro forma information, or shell company transactions were included. MGE Energy’s common stock trades on NASDAQ under the symbol MGEE.

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		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
	FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
		November 5, 2025 Date of report (date of earliest event reported)
Commission File No.		Name of Registrant, State of Incorporation, Address of Principal Executive Offices, and Telephone No.		IRS Employer Identification No.
000-49965		MGE Energy, Inc. (a Wisconsin Corporation) 133 South Blair Street Madison, Wisconsin 53788 (608) 252-7000 | mgeenergy.com		39-2040501
000-1125		Madison Gas and Electric Company (a Wisconsin Corporation) 133 South Blair Street Madison, Wisconsin 53788 (608) 252-7000 | mge.com		39-0444025

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading symbol(s)		Name of each exchange on which registered
Common Stock, $1 Par Value Per Share		MGEE		The NASDAQ Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

MGE Energy, Inc. ☐ Madison Gas and Electric Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.

MGE Energy, Inc. ☐ Madison Gas and Electric Company ☐

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Item 2.02. Results of Operations and Financial Condition.

On November 5, 2025, MGE Energy, Inc. (the Company) issued a press release announcing its third quarter 2025 earnings. The Company is furnishing a copy of that press release as Exhibit 99.1 to this report.

This combined Form 8-K is being furnished separately by the Company and Madison Gas and Electric Company. Information contained herein relating to any individual registrant has been furnished by such registrant on its own behalf. Neither registrant makes any representation as to information relating to the other registrant.

Item 9.01. Financial Statements and Exhibits.

(a) Financial statements of businesses acquired: None

(b) Pro forma financial information: None

(c) Shell company transactions: None

(d) Exhibits.

Exhibit No.		Description
99.1		Press release of MGE Energy, Inc., issued on November 5, 2025.
104		Cover Page Interactive Data File (the cover page XBRL tags are embedded in the Inline XBRL document).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned hereunto duly authorized.

	MGE Energy, Inc. Madison Gas and Electric Company
	(Registrants)
Date: November 5, 2025	/s/ Jenny L. Lagerwall
	Jenny L. Lagerwall Assistant Vice President - Accounting and Controller (Chief Accounting Officer)

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FAQ

What did MGEE file in this 8-K?

MGEE furnished its third quarter 2025 earnings press release under Item 2.02 and attached it as Exhibit 99.1.

Which period does the MGEE press release cover?

It announces third quarter 2025 earnings.

When was the MGEE press release issued?

The press release was issued on November 5, 2025.

What exhibits are included with this 8-K?

Exhibit 99.1 (press release) and Exhibit 104 (cover page Inline XBRL tags).

Are there financial statements or pro forma information included?

No. The filing states none for both financial statements and pro forma information.

Which entities are covered by this combined filing?

MGE Energy, Inc. and Madison Gas and Electric Company, each furnishing information on its own behalf.

What is MGEE’s stock exchange and ticker?

Common stock trades on The NASDAQ Stock Market under the symbol MGEE.