---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-293344"
form_type: "8-K"
ticker: "SR"
cik: "0001126956"
company_name: "SPIRE INC"
filed_at: "2025-11-24T23:59:59+00:00"
generated_at: "2026-05-16T17:15:14.327543+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Spire issues $900M in junior subordinated notes for TN gas acquisition

## Summary
- Issued $450M of 6.250% Series A Junior Subordinated Notes due 2056 and $450M of 6.450% Series B Junior Subordinated Notes due 2056.
- Notes issued under indenture with Regions Bank as trustee; underwriters include BMO, J.P. Morgan, Wells Fargo, Mizuho, Morgan Stanley, RBC.
- Net proceeds to finance acquisition of Piedmont Natural Gas Company's Tennessee natural gas business from Duke Energy.
- Notes registered under existing S-3 shelf; prospectus supplement filed Nov. 19, 2025.
- Issuance completed Nov. 24, 2025.

## SEC filing metadata
- accession: 0001193125-25-293344
- form_type: 8-K
- ticker: SR
- cik: 0001126956
- company_name: SPIRE INC
- filed_at: 2025-11-24T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1126956/000119312525293344/0001193125-25-293344-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1126956/000119312525293344/d59157d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-293344
- JSON: https://secwatch.observer/filing/0001193125-25-293344.json
- Plain text: https://secwatch.observer/filing/0001193125-25-293344.txt

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