{"filings":[{"id":584081,"accession_number":"0000352541-26-000036","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2026-05-21T21:05:15+00:00","items":["5.07"],"status":"ready","headline":"Alliant Energy shareholders elect directors, approve say-on-pay and auditor at annual meeting","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Four director nominees elected, each with >177M votes for; ~24M broker non-votes per nominee.","Advisory say-on-pay proposal passed with ~196M for vs ~8.7M against.","Ratification of Deloitte & Touche as independent auditor for 2026 approved: ~221.5M for, ~7.8M against."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.15,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":113263,"accession_number":"0001193125-26-116244","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2026-03-19T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Alliant Energy enters $1B at-the-market equity distribution agreement","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Company may sell up to $1B in common stock through agents and forward purchasers.","Proceeds for general corporate purposes including debt repayment, construction, and investments.","Shares sold at market prices via Nasdaq; forward confirmations allow delayed settlement.","Agents include Barclays, BofA, Goldman Sachs, J.P. Morgan, KeyBanc, Mizuho, MUFG, TD, Wells Fargo."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":113262,"accession_number":"0000352541-26-000009","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2026-03-04T23:59:59+00:00","items":["1.01","2.03","9.01"],"status":"ready","headline":"Alliant Energy enters $400M term loan credit agreement maturing March 2027","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$400M term loan facility with incremental $100M available; maturity March 1, 2027.","Proceeds for general corporate purposes: working capital, capex interim funding, debt refinancing.","Contains covenants: debt-to-capital ratio ≤65%, liens limited to 10% of tangible assets.","Cross-default provision triggered if default on ≥$100M of other debt."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":146231,"accession_number":"0000352541-25-000076","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-09-26T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Alliant Energy prices $725M of 5.750% junior subordinated notes due 2056","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$725M principal of 5.750% junior subordinated notes due Apr 1, 2056 priced.","Net proceeds to reduce commercial paper, retire long-term debt, or general corporate purposes.","Closing expected Sept 26, 2025, subject to customary conditions.","Underwriters: BofA, MUFG, Barclays, Goldman Sachs, J.P. Morgan, Mizuho, Wells Fargo.","Notes are Fixed-to-Fixed Reset Rate junior subordinated; registered under shelf S-3."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":146230,"accession_number":"0000352541-25-000074","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-09-11T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"IPL prices $300M 5.600% senior debentures due 2055; proceeds for debt reduction","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["IPL (Alliant Energy subsidiary) priced $300M aggregate principal of 5.600% senior debentures due Oct 1, 2055.","Net proceeds to reduce outstanding receivables purchase program, commercial paper, and general corporate purposes.","Offering expected to close Sept 11, 2025, subject to customary conditions.","Joint book-running managers include KeyBanc, PNC Capital Markets, TD Securities, U.S. Bancorp."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":164569,"accession_number":"0000352541-25-000055","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-05-20T23:59:59+00:00","items":["5.07"],"status":"ready","headline":"Alliant Energy annual meeting elects directors, approves say-on-pay, rejects GHG proposal","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Three director nominees elected: Falotico (98.6% for), O'Toole (87.7% for), Raymond (98.1% for), all terms through 2028.","Advisory say-on-pay vote approved with 96.4% support (193.1M for, 7.2M against).","Ratification of Deloitte & Touche as independent auditor for 2025 approved (220M for, 6.0M against).","Shareholder proposal on GHG reduction targets evaluation rejected (13.1% for, 86.9% against)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.15,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":164568,"accession_number":"0001628280-25-026398","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-05-19T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"Interstate Power & Light prices $600M 5.600% senior debentures due 2035","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["IPL issued $600M aggregate principal of 5.600% senior debentures due June 29, 2035.","Net proceeds to retire $50M 5.50% debentures due July 2025 and $250M 3.40% debentures due Aug 2025.","Proceeds also used to reduce commercial paper and receivables program; closing expected May 19, 2025.","Joint book-running managers: BofA Securities, Mizuho, MUFG Securities Americas, and Wells Fargo Securities."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":164567,"accession_number":"0001193125-25-120808","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-05-15T23:59:59+00:00","items":["1.01","2.03","3.02","8.01","9.01"],"status":"ready","headline":"Alliant Energy closes $575M 3.250% convertible notes offering due 2028","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$575M aggregate principal of 3.250% convertible senior notes due 2028 issued, including full $75M option exercise.","Initial conversion rate 13.1773 shares per $1,000 principal, conversion price ~$75.89/share (27.5% premium).","Net proceeds ~$567M (after discounts) to repay debt, reduce commercial paper, or general corporate purposes.","Notes mature May 30, 2028; interest payable semi-annually starting Nov 30, 2025."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":164566,"accession_number":"0001193125-25-116990","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-05-09T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Alliant Energy enters $1.3B common stock distribution agreement with forward sale option","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Agreement with nine agents and forward purchasers to sell up to $1.3B of common stock at market prices.","Forward confirmations allow borrowing and sale of shares by forward purchasers; proceeds deferred until physical settlement.","Net proceeds for general corporate purposes including debt repayment, capex, working capital, and acquisitions.","Prospectus supplement filed May 9, 2025 under existing shelf registration (333-276062)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.65,"calibrated_materiality_score":0.65,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":182318,"accession_number":"0000352541-25-000025","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2025-03-03T23:59:59+00:00","items":["1.01","2.03","9.01"],"status":"ready","headline":"Alliant Energy subsidiary enters $300M term loan credit agreement maturing March 2026","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Initial principal amount $300M, with option to increase by up to $100M (incremental facility).","Matures March 2, 2026; Alliant Energy Corporation guarantees payment.","Proceeds to refinance existing indebtedness and for general corporate purposes.","Covenants include debt-to-capital ratio not to exceed 65% on consolidated basis.","Amends and restates prior term loan credit agreement."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":214974,"accession_number":"0000352541-24-000092","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-09-06T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"IPL prices $650M in senior debentures (4.950%/5.450%) to refinance $500M maturing Dec 2024","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$350M of 4.950% senior debentures due 2034 and $300M of 5.450% senior debentures due 2054 priced.","Net proceeds to retire $500M of 3.25% senior debentures maturing Dec 1, 2024, plus general corporate purposes.","Offering expected to close Sept 6, 2024; joint book-runners include Barclays, Goldman Sachs, J.P. Morgan, MUFG.","Debentures issued under shelf registration (333-276062-01) with prospectus supplement filed Sept 5, 2024."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":214972,"accession_number":"0000352541-24-000084","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-07-26T23:59:59+00:00","items":["5.04","9.01"],"status":"ready","headline":"Alliant Energy 401(k) blackout period Aug 30 - week of Sep 22, 2024 due to service provider switch to Fidelity","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["Blackout begins Aug 30, 2024 at 3:00 p.m. CT and ends during the week of Sep 22, 2024.","Plan changes recordkeeping and trustee services to Fidelity Workplace Services, LLC.","Participants cannot change contributions, investments, or request loans/distributions during blackout.","Directors and executive officers prohibited from trading Alliant Energy stock (LNT) during blackout under Reg BTR.","Notice sent to directors/executives on Jul 26, 2024; contacts: Omar Chaudhary (608-458-3186)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":234183,"accession_number":"0000352541-24-000072","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-06-24T23:59:59+00:00","items":["2.06"],"status":"ready","headline":"Alliant Energy records $60M pre-tax impairment on Lansing coal plant regulatory asset","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Non-cash pre-tax charge of ~$60M ($45M after-tax, $0.17/diluted share) for Q2 2024.","Impairment related to IPL's Lansing Generating Station regulatory asset, no longer probable to earn return.","Charge triggered by non-unanimous settlement agreement in IPL retail electric rate review with Iowa OCA and IBC.","Settlement agreement subject to Iowa Utilities Board approval; final rates expected later in 2024."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"negative","materiality_score":0.7,"calibrated_materiality_score":0.7,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":234182,"accession_number":"0000352541-24-000067","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-06-06T23:59:59+00:00","items":["1.01","2.03","8.01","9.01"],"status":"ready","headline":"Alliant Energy subsidiary issues $375M 5.400% senior notes due 2027, guaranteed by parent","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Alliant Energy Finance, LLC issued $375M aggregate principal of 5.400% Senior Notes due June 6, 2027.","Notes are fully and unconditionally guaranteed by Alliant Energy Corporation (LNT) on a senior unsecured basis.","Net proceeds to reduce outstanding commercial paper and for general corporate purposes.","Offered in private placement under Rule 144A and Regulation S; not registered under Securities Act.","Closing expected June 6, 2024, subject to customary conditions."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null},{"id":234181,"accession_number":"0000352541-24-000064","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-05-20T23:59:59+00:00","items":["5.07"],"status":"ready","headline":"Alliant Energy shareholders elect all director nominees and approve say-on-pay at 2024 annual meeting","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["All six director nominees elected: Raymond (2025), Cortina (2026), Barton, Cox, Newport, Sanders (2027).","Say-on-pay approved; 189.6M for (95.7%), 8.5M against, 1M abstain.","Ratification of Deloitte as auditor approved with 218.5M for (97.4%), 5.3M against."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"neutral","materiality_score":0.2,"calibrated_materiality_score":0.15,"market_cap_usd":19047931673.775105,"market_cap_bucket":"not_microcap","market_cap_source":"finnhub_profile2","market_cap_as_of_date":"2026-05-28","daily_digest_date":null,"daily_digest_url":null,"daily_digest_rank":null}],"next_cursor":null}