---
schema_version: "secwatch.filing_event.v1"
accession: "0000092122-24-000034"
form_type: "8-K"
ticker: "SO"
cik: "0000092122"
company_name: "SOUTHERN CO"
filed_at: "2024-02-28T23:59:59+00:00"
generated_at: "2026-06-05T10:17:22.743020+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Southern Company issues $800M in senior note taps: $400M 5.50% due 2029, $400M 5.70% due 2034

## Summary
- Issued additional $400M Series 2023D 5.50% Senior Notes due March 15, 2029.
- Issued additional $400M Series 2023E 5.70% Senior Notes due March 15, 2034.
- Total outstanding after offering: $1B for Series 2023D, $1.1B for Series 2023E.
- Underwriters include BofA Securities, Morgan Stanley, RBC, Scotia Capital, U.S. Bancorp.
- Notes are registered under shelf registration statement No. 333-277138.

## SEC filing metadata
- accession: 0000092122-24-000034
- form_type: 8-K
- ticker: SO
- cik: 0000092122
- company_name: SOUTHERN CO
- filed_at: 2024-02-28T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/92122/000009212224000034/0000092122-24-000034-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/92122/000009212224000034/so-20240226.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000092122-24-000034
- JSON: https://secwatch.observer/filing/0000092122-24-000034.json
- Plain text: https://secwatch.observer/filing/0000092122-24-000034.txt

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