LNT Alliant EnergycompanySEC Filings & Insider Trading Activity 2026
Latest Alliant Energy (LNT) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 20, 2026, a 10-Q quarterly report filed on November 7, 2025, an 8-K current report filed on May 1, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Alliant Energy (LNT) (SEC CIK 352541), with AI-powered section-by-section summaries updated daily.
Latest 2026 SEC Filing Dates
AI 10-K Annual Report AnalysisLatest 10-K (2025-12-31)
Management Discussion & Analysis
- • Revenue $3.697B in 2025, up $325M YoY from $3.372B, driven by higher electric utility revenues (+$333M) and gas utility revenues (+$60M)
- • Utilities and Corporate Services net income $875M, EPS $3.39 in 2025 vs $722M, EPS $2.81 in 2024; consolidated net income $810M, EPS $3.14 vs $690M, EPS $2.69
Business Overview
- • Core business: Regulated electric and natural gas utility serving Midwest retail customers via IPL and WPL
- • New emphasis: Exit of IPL’s steam business post-2025; continued focus on renewable energy projects with 400 MW solar placed in service 2024
Risk Factors
- • Compliance risk with NERC Critical Infrastructure Protection and DHS Transportation Security Administration cybersecurity standards
- • Cybersecurity threat from evolving risks potentially impacting operations despite layered defenses and annual third-party NIST framework assessments
AI 10-Q Quarterly Report AnalysisLatest 10-Q (2025-09-30)
Management Discussion & Analysis
- • Revenue $36.38B, up ~$2.22B YoY driven by electric and gas utility increases
- • Utilities operating income declined, net income $292M vs $308M YoY; EPS 1.13 vs 1.20, due to higher expenses and taxes
Risk Factors
- • No material changes to risk factors from 2024 Form 10-K
- • Continued exposure to regulatory risks from evolving utility industry policies
AI 8-K Current Report AnalysisRecent 8-K Filings
Item 1.01: Entry into a Material Definitive Agreement
- • Distribution agreement to sell up to $1 billion of common stock through agents including Barclays, Goldman Sachs, JPMorgan, BofA, and others
- • Shares may be sold at market prices via Nasdaq brokers, block trades, or other agreed methods providing flexibility in capital raising timing
Item 1.01: Entry into a Material Definitive Agreement
- • $400M term loan facility secured March 2, 2026, with optional $100M incremental tranche (no lender obligation to fund)
- • Short-duration debt: matures March 1, 2027 — effectively a 1-year bridge for capex and refinancing needs
Item 2.03: Creation of a Direct Financial Obligation
- • Alliant Energy (LNT) filed under Item 2.03 (new financial obligation/borrowing) but the substantive text appears truncated or missing from the provided excerpt
- • Investors should review the full 8-K filing directly for debt terms including amount, interest rate, maturity, and use of proceeds
Annual Reports Archive10-K
AI-powered analysis of Alliant Energy (LNT) 10-K annual reports filed with SEC EDGAR.
Quarterly Reports Archive10-Q
AI-powered analysis of Alliant Energy (LNT) 10-Q quarterly reports filed with SEC EDGAR.
Recent 8-K FilingsCurrent Reports
AI-powered analysis of Alliant Energy (LNT) 8-K current reports disclosing material events.
Financial SummaryXBRL
| FY2022 | FY2023 | FY2024 | FY2025 | |
|---|---|---|---|---|
| Profitability | ||||
| Revenue | $4.2B | $4.0B | $4.0B | $4.4B |
| Operating Income | $928.0M | $943.0M | $886.0M | $1.0B |
| Net Income | $686.0M | $703.0M | $690.0M | $810.0M |
| Op. Margin | 22.1% | 23.4% | 22.3% | 23.5% |
| Net Margin | 16.3% | 17.5% | 17.3% | 18.6% |
| Balance Sheet | ||||
| Total Assets | $20.2B | $21.2B | $22.7B | $25.0B |
| Equity | $6.3B | $6.8B | $7.0B | $7.3B |
| ROE | 10.9% | 10.4% | 9.9% | 11.0% |
Source: XBRL financial data from Alliant Energy (LNT) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.
Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4
| Form | Filing Date | Period | Analysis | SEC |
|---|---|---|---|---|
8-K | May 1, 2026 | — | — | — |
8-K | Mar 19, 2026 | — | Analysis | — |
8-K | Mar 4, 2026 | — | Analysis | — |
8-K | Feb 20, 2026 | — | — | |
10-K | Feb 20, 2026 | Dec 31, 2025 | Analysis | |
8-K | Jan 8, 2026 | — | — | |
8-K | Dec 16, 2025 | — | — | |
8-K | Dec 5, 2025 | — | — | |
10-Q | Nov 7, 2025 | Sep 30, 2025 | Analysis | |
10-Q | Aug 8, 2025 | Jun 30, 2025 | Analysis | |
10-Q | May 9, 2025 | Mar 31, 2025 | Analysis | |
10-K | Feb 21, 2025 | Dec 31, 2024 | — | |
10-Q | Nov 1, 2024 | Sep 30, 2024 | — | |
10-Q | Aug 2, 2024 | Jun 30, 2024 | — | |
10-Q | May 3, 2024 | Mar 31, 2024 | — | |
10-K | Feb 16, 2024 | Dec 31, 2023 | — | |
10-Q | Nov 3, 2023 | Sep 30, 2023 | — | |
10-Q | Aug 4, 2023 | Jun 30, 2023 | — | |
10-Q | May 5, 2023 | Mar 31, 2023 | — | |
10-K | Feb 24, 2023 | Dec 31, 2022 | — | |
10-Q | Nov 8, 2022 | Sep 30, 2022 | — | |
10-Q | Aug 5, 2022 | Jun 30, 2022 | — | |
10-Q | Apr 29, 2022 | Mar 31, 2022 | — | |
10-K | Feb 18, 2022 | Dec 31, 2021 | — | |
10-Q | Nov 5, 2021 | Sep 30, 2021 | — |
Frequently Asked Questions
What are the latest LNT SEC filings in 2026?
Alliant Energy (LNT) has filed a 10-K annual report on February 20, 2026, a 10-Q quarterly report on November 7, 2025, an 8-K current report on May 1, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.
When did LNT file its most recent 10-K annual report?
Alliant Energy (LNT) filed its most recent 10-K annual report on February 20, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.
How do I view LNT 10-Q quarterly reports?
Alliant Energy (LNT)'s most recent 10-Q quarterly report was filed on November 7, 2025. SignalX displays every LNT 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.
What 8-K current reports has LNT filed recently?
Alliant Energy (LNT)'s most recent 8-K was filed on May 1, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.
Where can I find LNT insider trading activity (Form 4)?
SignalX aggregates every LNT Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.
How often does LNT file with the SEC?
Alliant Energy (LNT) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new LNT filing with AI-powered analysis.
What is the difference between 10-K, 10-Q, and 8-K SEC filings?
A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Alliant Energy (LNT).
What is LNT's SEC CIK number?
Alliant Energy (LNT)'s SEC CIK (Central Index Key) number is 352541. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 352541 to look up all LNT filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.
Where can I find LNT return on equity (ROE) and financial data?
SignalX extracts XBRL financial data from Alliant Energy (LNT) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.
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