| Filed On | Filing |
|---|---|
| 21 Aug 2026 | 8-K: Other Events |
| 31 Jul 2026 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - July 30, 2026 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $0.65 for second quarter 2026, compared to $... |
| 21 May 2026 | 8-K: Submission of Matters to a Vote of Security Holders |
| 01 May 2026 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - April 30, 2026 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $0.87 for first quarter 2026, compared to $... |
| 19 Mar 2026 | 8-K: Entry into a Material Definitive Agreement |
| 04 Mar 2026 | 8-K: Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation |
| 20 Feb 2026 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - February 19, 2026 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $3.14 for 2025, compared to $2.69 for 20... |
| 08 Jan 2026 |
8-K: Departure/Election of Directors or Officers; Compensation
On January 5, 2026, the Boards of Directors (the “Boards”) of Alliant Energy Corporation (“Alliant Energy”), Interstate Power and Light Company and Wisconsin Power and Light Company increased the number of directors on the Boards to 11 a... |
| 16 Dec 2025 |
8-K: Departure/Election of Directors or Officers; Compensation
On December 10, 2025, David A. de Leon, President of Wisconsin Power and Light Company (WPL) and Senior Vice President of Alliant Energy Corporation (Alliant Energy) and Interstate Power and Light Company (IPL, and together with Alliant ... |
| 05 Dec 2025 |
8-K: Other Events
Schedule A – List of Underwriters’ Purchase AmountsSchedule B – Issuer Free Writing Prospectuses contained in the General Disclosure PackageSchedule C – Pricing InformationSchedule D – Final Term SheetSchedule E – Underwriter Information |
| 07 Nov 2025 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - November 6, 2025 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) of $1.09 for the third quarter of 2025, comp... |
| 26 Sep 2025 | 8-K: Other Events |
| 11 Sep 2025 | 8-K: Other Events |
| 08 Aug 2025 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - August 7, 2025 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated and non-GAAP consolidated unaudited earnings per share (EPS) for the three months... |
| 20 May 2025 | 8-K: Submission of Matters to a Vote of Security Holders |
| 19 May 2025 | 8-K: Other Events |
| 15 May 2025 | 8-K: Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation +2 more |
| 09 May 2025 | 8-K: Entry into a Material Definitive Agreement |
| 09 May 2025 |
8-K: Results of Operations and Financial Condition
MADISON, Wis. - May 8, 2025 - Alliant Energy Corporation (NASDAQ: LNT) today announced U.S. generally accepted accounting principles (GAAP) consolidated unaudited earnings per share (EPS) for the three months ended March 31 as follows: |
| 10 Mar 2025 |
8-K: Departure/Election of Directors or Officers; Compensation
(b) On March 7, 2025, John O. Larsen informed the Boards of Directors (the Boards) of Alliant Energy Corporation (Alliant Energy), Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL, and together with All... |
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