Alliant Energy Corporation filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
$LNT
Power Generation
Utilities
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
Date of Report (Date of earliest event reported) November 6, 2025
Name of Registrant, State of Incorporation, Address of Principal Executive Offices, Telephone Number, Commission File Number, IRS Employer Identification Number
(a Wisconsin corporation)
Telephone (608 ) 458-3311
Commission File Number - 1-9894
IRS Employer Identification Number - 39-1380265
(an Iowa corporation)
Telephone (319 ) 786-4411
Commission File Number - 1-4117
IRS Employer Identification Number - 42-0331370
(a Wisconsin corporation)
Telephone (608 ) 458-3311
Commission File Number - 0-337
IRS Employer Identification Number - 39-0714890
(Former name or former address, if changed since last report.)
This combined Form 8-K is separately filed by Alliant Energy Corporation, Interstate Power and Light Company and Wisconsin Power and Light Company.
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:
Securities registered pursuant to Section 12(b) of the Act:
Alliant Energy Corporation, Common Stock, $0.01 Par Value , Trading Symbol LNT , Nasdaq Global Select 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).
Alliant Energy Corporation - Emerging growth company ☐
Interstate Power and Light Company - Emerging growth company ☐
Wisconsin Power and Light Company - Emerging growth 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.
Alliant Energy Corporation ☐
Interstate Power and Light Company ☐
Wisconsin Power and Light Company ☐
Item 2.02 Results of Operations and Financial Condition.
On November 6, 2025, Alliant Energy Corporation issued a press release announcing its financial results for the three and nine months ended September 30, 2025. A copy of such press release is furnished as Exhibit 99.1 and is incorporated by reference herein.
Item 9.01 Financial Statements and Exhibits.
(a)Not applicable.
(b)Not applicable.
(c)Not applicable.
(d)Exhibits. The following exhibits are being furnished herewith:
| Exhibit Number | Description | ||||
| (99.1) | |||||
| (104) | Cover Page Interactive Data File (embedded within the Inline XBRL document) | ||||
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.
ALLIANT ENERGY CORPORATION
| Date: November 6, 2025 | By: /s/ Dylan M. Syse | ||||
| Dylan M. Syse | |||||
| Chief Accounting Officer and Controller | |||||
INTERSTATE POWER AND LIGHT COMPANY
| Date: November 6, 2025 | By: /s/ Dylan M. Syse | ||||
| Dylan M. Syse | |||||
| Chief Accounting Officer and Controller | |||||
WISCONSIN POWER AND LIGHT COMPANY
| Date: November 6, 2025 | By: /s/ Dylan M. Syse | ||||
| Dylan M. Syse | |||||
| Chief Accounting Officer and Controller | |||||