Alliant Energy Corp (LNT) — SEC Filings

Alliant Energy Corp (LNT) — 36 SEC filings. Latest: 8-K (Dec 16, 2025). Includes 22 8-K, 6 10-Q, 4 SC 13G/A.

View Alliant Energy Corp on SEC EDGAR

Overview

Alliant Energy Corp (LNT) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Dec 5, 2025: Alliant Energy Corp. announced on December 2, 2025, that it has entered into a definitive agreement to sell its Wisconsin unregulated renewable energy business to a subsidiary of Brookfield Renewable Partners for $750 million. This strategic divestiture is expected to close in the first quarter of 2

Sentiment Summary

Across 36 filings, the sentiment breakdown is: 1 bullish, 34 neutral, 1 mixed. The dominant filing sentiment for Alliant Energy Corp is neutral.

Filing Type Overview

Alliant Energy Corp (LNT) has filed 22 8-K, 6 10-Q, 2 DEF 14A, 2 10-K, 4 SC 13G/A with the SEC between Jan 2024 to Dec 2025.

Filings by Year

2025 · 2024

Recent SEC Filings (36)

Alliant Energy Corp SEC Filing History
DateFormDescriptionRisk
Dec 16, 20258-K8-K Filing
Dec 5, 20258-KAlliant Energy Sells Wisconsin Renewables for $750Mmedium
Nov 7, 202510-QAlliant Energy's Q3 Net Income Jumps 23.7% on Strong Utility Revenuemedium
Sep 26, 20258-KAlliant Energy Sells Interstate Gas Pipeline Businessmedium
Sep 11, 20258-KAlliant Energy Sells Gas Utility for $3.2Bmedium
Aug 8, 202510-QAlliant Energy's Q2 Net Income Jumps 13% on Revenue Growthlow
May 20, 20258-KAlliant Energy Corp. Files 8-K on Shareholder Matterslow
May 19, 20258-KAlliant Energy Files 8-K with Corporate Updateslow
May 15, 20258-KAlliant Energy Files 8-K: Agreements, Obligations, and Equity Salesmedium
May 9, 20258-KAlliant Energy Files 8-K: Material Agreement & Financialslow
May 9, 202510-QAlliant Energy Corp. Files Q1 2025 10-Qlow
Apr 1, 2025DEF 14AAlliant Energy Files 2025 Proxy Statementlow
Mar 10, 20258-KAlliant Energy Corp. Announces Executive and Director Changeslow
Mar 3, 20258-KAlliant Energy Corp. Enters Material Definitive Agreementmedium
Feb 21, 202510-KAlliant Energy Files 2024 10-Klow
Feb 11, 20258-KAlliant Energy Appoints New CFO and Board Memberlow
Dec 18, 20248-KAlliant Energy Files 8-K on Financial Obligationmedium
Nov 1, 202410-QAlliant Energy Files Q3 2024 10-Qlow
Oct 16, 2024SC 13G/ASC 13G/A Filing
Sep 6, 20248-KAlliant Energy Sells Gas Pipeline for $1.2Bmedium

Risk Profile

Risk Assessment: Of LNT's 31 recent filings, 0 were flagged as high-risk, 14 as medium-risk, and 17 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Alliant Energy Corp Financial Summary (10-Q, Nov 7, 2025)
MetricValue
Revenue$3.3B
Net Income$668M
EPS$2.59
Cash Position$503M
Operating Margin25.11%
Total Assets$24.63B
Total Debt$10.66B

Key Executives

  • Robert J. Knaus
  • Patricia L. Kampling
  • Robert J. Durkle
  • Sarah M. Laase
  • David J. Miller
  • Robert J. Durr

Industry Context

Alliant Energy operates in the regulated electric and gas utility sector, characterized by stable demand but significant capital intensity and regulatory oversight. The industry is undergoing a transition towards cleaner energy sources, requiring substantial investments in renewable generation and grid modernization. Competition primarily comes from other utilities within their service territories and, to a lesser extent, from alternative energy providers.

Top Tags

divestiture (5) · strategic-shift (4) · Utilities (3) · corporate-governance (3) · debt (3) · 10-Q (3) · financial-obligation (3) · Alliant Energy (3) · Earnings Report (2) · Renewable Energy (2)

Key Numbers

Alliant Energy Corp Key Metrics
MetricValueContext
Sale Price$750 millionAmount Alliant Energy Corp. will receive for its Wisconsin unregulated renewable energy business.
Total Revenues$3.3BIncreased by $293 million (9.75%) from $3.005 billion in 2024 to $3.298 billion in 2025 for the nine months ended September 30.
Net Income$668MIncreased by $128 million (23.7%) from $540 million in 2024 to $668 million in 2025 for the nine months ended September 30.
Diluted EPS$2.59Increased from $2.10 in 2024 to $2.59 in 2025 for the nine months ended September 30.
Long-term Debt, Net$10.66BIncreased by $1.978 billion from $8.677 billion in December 2024 to $10.655 billion in September 2025.
Property, Plant and Equipment, Net$19.81BIncreased by $1.112 billion from $18.701 billion in December 2024 to $19.813 billion in September 2025.
Interest Expense$372MIncreased by $43 million from $329 million in 2024 to $372 million in 2025 for the nine months ended September 30.
Electric Utility Revenue$2,828MIncreased by $249 million from $2,579 million in 2024 to $2,828 million in 2025 for the nine months ended September 30.
Pipeline Business Size1,600 milesRepresents the scale of the regulated interstate natural gas pipeline assets being divested.
Q2 2025 Net Income$198MIncreased from $175M in Q2 2024, a 13% rise.
Six-Month Net Income (2025)$380MUp from $350M in the prior year, showing consistent growth.
Q2 2025 Operating Revenues$1.15BIncreased from $1.10B in Q2 2024, a 4.5% growth.
Q2 Net Income Growth13%Percentage increase from Q2 2024 to Q2 2025.
Renewable Tax Credits Transferred (2025)$15MIncreased from $10M in 2024, indicating growing tax incentive utilization.
Fiscal Year2024Primary year for compensation data

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Frequently Asked Questions

What are the latest SEC filings for Alliant Energy Corp (LNT)?

Alliant Energy Corp has 36 recent SEC filings from Jan 2024 to Dec 2025, including 22 8-K, 6 10-Q, 4 SC 13G/A. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of LNT filings?

Across 36 filings, the sentiment breakdown is: 1 bullish, 34 neutral, 1 mixed. The dominant sentiment is neutral.

Where can I find Alliant Energy Corp SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Alliant Energy Corp (LNT) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Alliant Energy Corp?

Key financial highlights from Alliant Energy Corp's most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for LNT?

The investment thesis for LNT includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Alliant Energy Corp?

Key executives identified across Alliant Energy Corp's filings include Robert J. Knaus, Patricia L. Kampling, Robert J. Durkle, Sarah M. Laase, David J. Miller and 1 others.

What are the main risk factors for Alliant Energy Corp stock?

Of LNT's 31 assessed filings, 0 were flagged high-risk, 14 medium-risk, and 17 low-risk.

What are recent predictions and forward guidance from Alliant Energy Corp?

Forward guidance and predictions for Alliant Energy Corp are extracted from SEC filings as they are enriched.

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