---
schema_version: "secwatch.filing_event.v1"
accession: "0000092122-22-000043"
form_type: "8-K"
ticker: "SO"
cik: "0000092122"
company_name: "SOUTHERN CO"
filed_at: "2022-08-17T23:59:59+00:00"
generated_at: "2026-06-23T23:18:59.206040+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.35
calibrated_materiality_score: 0.35
confidence: "high"
source: SEC EDGAR
---

# Southern Company amends change-in-control plans; updates severance calculation and equity vesting triggers

## Summary
- BPP eliminates 'Company Does Not Survive Merger' category; adds liquidation/dissolution and asset sale as triggering events.
- Equity awards granted on/after Aug 15, 2022: if no replacement award in Company Change in Control I, awards vest at greater of target or projected actual performance.
- Severance Plan: cash severance now based on greater of target annual incentive or 3-year average actual payouts; PSUs vest at greater of target or projected actual.
- Definitions of change-in-control events aligned between BPP and Severance Plan.

## SEC filing metadata
- accession: 0000092122-22-000043
- form_type: 8-K
- ticker: SO
- cik: 0000092122
- company_name: SOUTHERN CO
- filed_at: 2022-08-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.35
- calibrated_materiality_score: 0.35
- confidence: high
- sec_items: 5.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/92122/000009212222000043/0000092122-22-000043-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/92122/000009212222000043/so-20220815.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000092122-22-000043
- JSON: https://secwatch.observer/filing/0000092122-22-000043.json
- Plain text: https://secwatch.observer/filing/0000092122-22-000043.txt

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