{"filings":[{"id":2392357,"accession_number":"0001193125-26-360020","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2026-08-21T12:45:22+00:00","items":["8.01","9.01"],"status":"ready","headline":"IPL prices $500M 5.100% senior debentures due 2031; proceeds for debt reduction","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["IPL (subsidiary of Alliant Energy, LNT) priced $500M aggregate 5.100% senior debentures due Sept 30, 2031.","Use of proceeds: reduce receivables purchase/sale program, commercial paper, and general corporate purposes.","Offering expected to close Aug 21, 2026; joint book-runners include Mizuho, PNC, U.S. Bancorp, Wells Fargo.","Debentures issued under shelf registration filed Dec 15, 2023 (Reg. No. 333-276062-01)."],"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":1976568,"accession_number":"0000352541-26-000042","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2026-07-30T22:02:45+00:00","items":["2.02","9.01"],"status":"ready","headline":"Alliant Energy Q2 GAAP EPS $0.65 vs $0.68; reaffirms 2026 guidance $3.36-$3.46","summary_kind":"llm","event_type":"earnings","confidence":"high","bullets":["Q2 2026 GAAP EPS $0.65, down from $0.68 in Q2 2025; non-GAAP EPS also $0.65.","Reaffirms 2026 ongoing EPS guidance $3.36-$3.46; currently trending in upper half of range.","Expects 60% load growth by 2031; three data centers making significant construction progress.","Primary drivers: higher revenue requirements from rate base investments, offset by higher O&M and financing costs.","Consolidated effective tax rate guidance of (35%) for 2026."],"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":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},{"id":252111,"accession_number":"0000352541-24-000026","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2024-03-05T23:59:59+00:00","items":["1.01","2.03","9.01"],"status":"ready","headline":"Alliant Energy subsidiary enters $300M amended term loan credit facility due March 2025","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Subsidiary Alliant Energy Finance, LLC signed $300M one-year term loan; maturity March 3, 2025.","Incremental term loan facility of up to $100M available; no lender obligated to provide.","Proceeds to refinance existing indebtedness and for general corporate purposes.","Alliant Energy Corporation guarantees all payment and performance obligations.","Covenants include debt-to-capital ratio ≤65% and cross-default trigger at $100M."],"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":269639,"accession_number":"0000352541-23-000115","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2023-11-13T23:59:59+00:00","items":["1.01","2.03","8.01","9.01"],"status":"ready","headline":"Alliant Energy Finance issues $300M 5.950% senior notes due 2029, guaranteed by parent","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$300M aggregate principal of 5.950% senior unsecured notes, maturing March 30, 2029.","Notes are fully and unconditionally guaranteed on a senior unsecured basis by Alliant Energy Corp.","Net proceeds to reduce outstanding commercial paper and for general corporate purposes.","Interest payable semi-annually on March 30 and September 30, beginning March 30, 2024.","Offering closed on November 10, 2023; priced on November 7, 2023."],"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":286633,"accession_number":"0000352541-23-000096","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2023-09-21T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"IPL prices $300M in 5.700% senior debentures due 2033","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["IPL priced $300M aggregate principal of 5.700% senior debentures due Oct 15, 2033.","Closing expected Sept 21, 2023; net proceeds to reduce receivables program, commercial paper, or general corporate purposes.","Offering managed by BofA, Mizuho, MUFG, U.S. Bancorp, Wells Fargo as joint book-runners."],"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":306551,"accession_number":"0000352541-23-000061","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2023-05-25T23:59:59+00:00","items":["5.07"],"status":"ready","headline":"Alliant Energy shareholders elect all director nominees and approve say-on-pay at 2023 annual meeting","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Director nominees elected: Cox (2024 term) ~188M for; Allen, Garcia, Whiting (2026 terms) with strong support.","Non-binding say-on-pay approved: ~181M for, ~8M against, ~1M abstain.","Frequency of advisory vote: 1 year chosen (~186M votes); company will hold annual votes until next frequency vote.","Ratification of Deloitte & Touche as 2023 auditor approved: ~209M for, ~5.7M 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":0.1,"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":325675,"accession_number":"0000352541-23-000030","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2023-03-13T23:59:59+00:00","items":["2.03","3.02"],"status":"ready","headline":"Alliant Energy issues $75M additional 3.875% convertible notes due 2026","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Issued $75M aggregate principal of 3.875% Convertible Senior Notes due 2026 via full exercise of initial purchasers' option.","Net proceeds from the option closing were approximately $73.7M after fees and expenses.","Notes rank senior, unsecured; same indenture and terms as $500M Initial Notes issued March 2, 2023.","Maximum shares issuable upon conversion of Option Notes is 1,457,437 shares of common stock.","Notes sold in private placement under Rule 144A to QIBs; not registered under Securities Act."],"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":325674,"accession_number":"0000352541-23-000028","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2023-03-03T23:59:59+00:00","items":["1.01","2.03","3.02","8.01","9.01"],"status":"ready","headline":"Alliant Energy closes $500M 3.875% convertible note offering due 2026","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Issued $500M aggregate principal of 3.875% Convertible Senior Notes due March 15, 2026.","Initial conversion price of $64.32/share, a 25% premium over Feb 27, 2023 closing price.","Net proceeds of ~$490.9M (or ~$564.6M if $75M greenshoe option fully exercised).","Proceeds to be used for general corporate purposes, including debt repayment and capex.","Notes are senior unsecured, convertible into cash/stock at Alliant's election."],"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":343415,"accession_number":"0001193125-22-304962","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2022-12-15T23:59:59+00:00","items":["1.01","9.01"],"status":"ready","headline":"Alliant Energy enters $225M at-the-market common stock distribution agreement","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Up to $225M of common stock may be sold from time to time through Agents Barclays, Mizuho, and Wells Fargo.","Sales will occur via ordinary brokers' transactions on Nasdaq at market prices, block trades, or as agreed.","Net proceeds for general corporate purposes: debt repayment, working capital, construction, acquisitions, and investments.","Shares issued under existing shelf registration (333-251353); prospectus supplement filed Dec 14, 2022.","Affiliates of the Agents are lenders under the company's credit facility."],"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":378847,"accession_number":"0000352541-22-000060","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2022-05-24T23:59:59+00:00","items":["5.07"],"status":"ready","headline":"Alliant Energy shareholders elect all director nominees, approve say-on-pay, ratify auditor","summary_kind":"llm","event_type":"other","confidence":"high","bullets":["All three director nominees elected with >99% votes cast: Falotico, Larsen, O'Toole.","Advisory say-on-pay approved with ~94% of votes cast (181M for, 9.2M against).","Ratification of Deloitte & Touche as auditor for 2022 passed with ~97% of votes cast."],"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":0.15,"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":397092,"accession_number":"0000352541-22-000037","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2022-03-04T23:59:59+00:00","items":["1.01","2.03","9.01"],"status":"ready","headline":"Alliant Energy Finance closes $300M term loan; parent guarantees, maturity March 2024","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Subsidiary AEF entered a $300M two-year term loan with $100M incremental facility; proceeds to refinance existing debt and general corporate.","Loan bears interest at Term SOFR + 0.60% (0.00% for Base Rate); Alliant Energy Corp. guarantees all obligations.","Consolidated debt-to-capital ratio must not exceed 65%; cross-default triggered if parent or domestic sub defaults on ≥$100M debt.","Covenants restrict liens (10% of consolidated asset cap) and require asset sale proceeds above 25% of assets to reduce 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":0.5,"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":397091,"accession_number":"0000352541-22-000029","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2022-03-01T23:59:59+00:00","items":["1.01","2.03","8.01","9.01"],"status":"ready","headline":"Alliant Energy unit issues $350M of 3.600% Senior Notes due 2032","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["$350 million aggregate principal, 3.600% interest, maturity March 1, 2032.","Fully and unconditionally guaranteed by Alliant Energy on senior unsecured basis.","Net proceeds to reduce outstanding commercial paper and for general corporate purposes.","Private offering under Rule 144A and Regulation S; not registered under Securities Act.","Closing expected Feb 28, 2022, 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":0.6,"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":416046,"accession_number":"0000352541-21-000099","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2021-11-19T23:59:59+00:00","items":["8.01","9.01"],"status":"ready","headline":"IPL prices $300M 3.100% senior debentures due 2051; to fund preferred stock redemption","summary_kind":"llm","event_type":"debt","confidence":"high","bullets":["Offering of $300M aggregate principal of 3.100% senior debentures due Nov 30, 2051.","Proceeds to redeem 5.100% Series D Cumulative Perpetual Preferred Stock and for general corporate purposes.","Closing expected Nov 19, 2021; underwriters led by Goldman Sachs, J.P. Morgan, MUFG, U.S. Bancorp.","Issuer is Interstate Power and Light, wholly owned subsidiary of Alliant Energy (LNT)."],"consensus_eps_estimate":null,"consensus_eps_actual":null,"consensus_revenue_estimate":null,"consensus_revenue_actual":null,"consensus_period":null,"consensus_source":null,"sentiment":"positive","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":416044,"accession_number":"0000352541-21-000091","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2021-11-04T23:59:59+00:00","items":["8.01"],"status":"ready","headline":"IPL redeems all 8M Series D Preferred shares for ~$200M, delisting Dec 15","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Interstate Power & Light (Alliant Energy subsidiary) calls all 8M shares of 5.100% Series D Preferred Stock (IPLDP).","Redemption price set at $25/share plus accrued dividends; total ~$200M.","Redemption effective December 15, 2021; shares will be delisted from Nasdaq.","Series D Preferred Stock held through DTC; payment via EQ Shareowner Services.","Quarterly dividend scheduled Dec 15 still paid separately to record holders."],"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":416043,"accession_number":"0000352541-21-000088","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2021-10-28T23:59:59+00:00","items":["5.02","9.01"],"status":"ready","headline":"Alliant Energy approves amended severance agreements for CEO and other NEOs with enhanced change-in-control benefits","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["CEO cash termination payment set at 2.99x (base salary plus target incentive); other executives at 2x.","Severance includes 2-year continuation of insurance, outplacement up to 10% of salary, and full vesting of supplemental retirement plans.","Benefits triggered on qualifying termination within two years after a change in control, or within 180 days before a change if tied to it.","Executives subject to one-year non-compete and five-year confidentiality after termination.","Amended KEESAs replace prior agreements for named executive officers effective October 26, 2021."],"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":433660,"accession_number":"0000352541-21-000080","cik":352541,"company_name":"ALLIANT ENERGY CORP","ticker":"LNT","form_type":"8-K","filed_at":"2021-09-24T23:59:59+00:00","items":["5.03","9.01"],"status":"ready","headline":"Alliant Energy amends bylaws to adopt majority voting for director elections","summary_kind":"llm","event_type":"other_material","confidence":"high","bullets":["Board approved amended and restated bylaws effective September 23, 2021.","Directors elected by majority of votes cast in non-contested elections; plurality in contested elections.","Incumbent directors receiving less than a majority in non-contested elections must tender resignation to Board Chair for consideration."],"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":0.15,"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}