---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-116244"
form_type: "8-K"
ticker: "LNT"
cik: "0000352541"
company_name: "ALLIANT ENERGY CORP"
filed_at: "2026-03-19T23:59:59+00:00"
generated_at: "2026-05-15T09:44:43.910867+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Alliant Energy enters $1B at-the-market equity distribution agreement

## Summary
- 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.

## SEC filing metadata
- accession: 0001193125-26-116244
- form_type: 8-K
- ticker: LNT
- cik: 0000352541
- company_name: ALLIANT ENERGY CORP
- filed_at: 2026-03-19T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000119312526116244/0001193125-26-116244-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352541/000119312526116244/d131241d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-116244
- JSON: https://secwatch.observer/filing/0001193125-26-116244.json
- Plain text: https://secwatch.observer/filing/0001193125-26-116244.txt

## Key facts
- Material Agreements
  ALLIANT ENERGY CORP entered into Distribution Agreement with Barclays Capital Inc., BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, KeyBanc Capital Markets Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., TD Securities (USA) LLC, and Wells Fargo Securities, LLC, as agents, and Barclays Bank PLC, Bank of America, N.A. valued at up to $1,000,000,000 (effective 2026-03-19).
  - Action: entry
  - Agreement: atm program
  - Counterparty: Barclays Capital Inc., BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, KeyBanc Capital Markets Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., TD Securities (USA) LLC, and Wells Fargo Securities, LLC, as agents, and Barclays Bank PLC, Bank of America, N.A.
  - Value: up to $1,000,000,000
  - Effective: 2026-03-19
  source text: On March 19, 2026, Alliant Energy Corporation (the “Company”), entered into a distribution agreement (the “Distribution Agreement”) with Barclays Capital Inc., BofA Securities, Inc., Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC, KeyBanc Capital Markets Inc., Mizuho Securities USA LLC, MUFG Securities Americas Inc., TD Securities (USA) LLC, and Wells Fargo Securities, LLC, as agents (the “Agents” and each, an “Agent”), and Barclays Bank PLC, Bank of America, N.A., Goldman Sachs & Co. LLC, JPMorgan Chase Bank, National Association, KeyBanc Capital Markets Inc., Mizuho Markets Americas LLC, MUFG Securities EMEA plc, The Toronto-Dominion Bank and Wells Fargo Bank, National Association, as forward purchasers
  evidence_url: https://www.sec.gov/Archives/edgar/data/352541/000119312526116244/0001193125-26-116244-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.