---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-149018"
form_type: "8-K"
ticker: "ATO"
cik: "0000731802"
company_name: "ATMOS ENERGY CORP"
filed_at: "2025-06-26T23:59:59+00:00"
generated_at: "2026-05-18T18:43:28.961535+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Atmos Energy issues $500M of 5.200% Senior Notes due 2035

## Summary
- Public offering of $500M aggregate principal of 5.200% Senior Notes due August 15, 2035.
- Net proceeds of approximately $493.5M after underwriting discount and expenses.
- Interest payable semi-annually on February 15 and August 15, beginning February 15, 2026.
- Notes are unsecured senior obligations, ranking equally with other unsubordinated debt.
- Atmos may redeem the notes at any time at redemption prices per the indenture.

## SEC filing metadata
- accession: 0001193125-25-149018
- form_type: 8-K
- ticker: ATO
- cik: 0000731802
- company_name: ATMOS ENERGY CORP
- filed_at: 2025-06-26T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/731802/000119312525149018/0001193125-25-149018-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/731802/000119312525149018/d28440d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-149018
- JSON: https://secwatch.observer/filing/0001193125-25-149018.json
- Plain text: https://secwatch.observer/filing/0001193125-25-149018.txt

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