---
schema_version: "secwatch.filing_event.v1"
accession: "0000352541-24-000067"
form_type: "8-K"
ticker: "LNT"
cik: "0000352541"
company_name: "ALLIANT ENERGY CORP"
filed_at: "2024-06-06T23:59:59+00:00"
generated_at: "2026-06-01T06:04:46.370388+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Alliant Energy subsidiary issues $375M 5.400% senior notes due 2027, guaranteed by parent

## Summary
- 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.

## SEC filing metadata
- accession: 0000352541-24-000067
- form_type: 8-K
- ticker: LNT
- cik: 0000352541
- company_name: ALLIANT ENERGY CORP
- filed_at: 2024-06-06T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000035254124000067/0000352541-24-000067-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352541/000035254124000067/lnt-20240603.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352541-24-000067
- JSON: https://secwatch.observer/filing/0000352541-24-000067.json
- Plain text: https://secwatch.observer/filing/0000352541-24-000067.txt

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