---
schema_version: "secwatch.filing_event.v1"
accession: "0000352541-21-000080"
form_type: "8-K"
ticker: "LNT"
cik: "0000352541"
company_name: "ALLIANT ENERGY CORP"
filed_at: "2021-09-24T23:59:59+00:00"
generated_at: "2026-06-29T01:39:10.195254+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.15
calibrated_materiality_score: 0.15
confidence: "high"
source: SEC EDGAR
---

# Alliant Energy amends bylaws to adopt majority voting for director elections

## Summary
- Board approved amended and restated bylaws effective September 23, 2021.
- Directors elected by majority of votes cast in non-contested elections; plurality in contested elections.
- Incumbent directors receiving less than a majority in non-contested elections must tender resignation to Board Chair for consideration.

## SEC filing metadata
- accession: 0000352541-21-000080
- form_type: 8-K
- ticker: LNT
- cik: 0000352541
- company_name: ALLIANT ENERGY CORP
- filed_at: 2021-09-24T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.15
- calibrated_materiality_score: 0.15
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/352541/000035254121000080/0000352541-21-000080-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/352541/000035254121000080/lnt-20210923.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000352541-21-000080
- JSON: https://secwatch.observer/filing/0000352541-21-000080.json
- Plain text: https://secwatch.observer/filing/0000352541-21-000080.txt

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