---
schema_version: "secwatch.filing_event.v1"
accession: "0000352541-21-000088"
form_type: "8-K"
ticker: "LNT"
cik: "0000352541"
company_name: "ALLIANT ENERGY CORP"
filed_at: "2021-10-28T23:59:59+00:00"
generated_at: "2026-06-28T17:01:22.275945+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Alliant Energy approves amended severance agreements for CEO and other NEOs with enhanced change-in-control benefits

## Summary
- 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.

## SEC filing metadata
- accession: 0000352541-21-000088
- form_type: 8-K
- ticker: LNT
- cik: 0000352541
- company_name: ALLIANT ENERGY CORP
- filed_at: 2021-10-28T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000035254121000088/0000352541-21-000088-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352541/000035254121000088/lnt-20211026.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352541-21-000088
- JSON: https://secwatch.observer/filing/0000352541-21-000088.json
- Plain text: https://secwatch.observer/filing/0000352541-21-000088.txt

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