---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-322260"
form_type: "8-K"
ticker: "SR"
cik: "0001126956"
company_name: "SPIRE INC"
filed_at: "2025-12-17T23:59:59+00:00"
generated_at: "2026-05-16T12:51:55.858459+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Spire Tennessee subsidiary enters $825M senior notes private placement for acquisition financing

## Summary
- Issued $825M aggregate principal in five tranches due 2029-2038; rates 4.59%-5.50% depending on close date.
- Notes are senior unsecured obligations of Spire Tennessee, ranking equal with existing senior unsecured debt.
- Proceeds to be used per Investor Presentation; closing contingent on satisfaction of Acquisition Condition.
- Closing must occur by June 30, 2026; interest rate step-ups apply if closing occurs after March 31, 2026.

## SEC filing metadata
- accession: 0001193125-25-322260
- form_type: 8-K
- ticker: SR
- cik: 0001126956
- company_name: SPIRE INC
- filed_at: 2025-12-17T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 1.01, 2.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1126956/000119312525322260/0001193125-25-322260-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1126956/000119312525322260/sr-20251217.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-322260
- JSON: https://secwatch.observer/filing/0001193125-25-322260.json
- Plain text: https://secwatch.observer/filing/0001193125-25-322260.txt

## Key facts
- Debt Financings
  SPIRE INC incurred senior notes of an aggregate $825,000,000 principal amount of its Series 2026 Senior Notes in five tranches at 4.59% per annum (Tranche A), 4.77% per annum (Tranche B), 5.01% per annum (Tranc maturing April 1, 2029 (Tranche A), April 1, 2031 (Tranche B), April 1, 2033 (Tranche C), April 1, 2036 (Tranche D), April 1, 2038 (Tranche E).
  - Instrument: senior notes
  - Principal: an aggregate $825,000,000 principal amount of its Series 2026 Senior Notes in five tranches
  - Rate: 4.59% per annum (Tranche A), 4.77% per annum (Tranche B), 5.01% per annum (Tranc
  - Maturity: April 1, 2029 (Tranche A), April 1, 2031 (Tranche B), April 1, 2033 (Tranche C), April 1, 2036 (Tranche D), April 1, 2038 (Tranche E)
  - Event: incurrence
  source text: On December 17, 2025, Spire Tennessee Inc. (“Spire Tennessee”), a wholly owned subsidiary of Spire Inc. (“Spire”), entered into a Master Note Purchase Agreement, dated as of December 17, 2025 (the “MNPA”), with the institutional investors listed in the Purchaser Schedule thereto (the “Purchasers”). Pursuant to the MNPA, Spire Tennessee has authorized the issuance and sale, in a private placement exempt from registration under the Securities Act of 1933, as amended, of an aggregate $825,000,000 principal amount of its Series 2026 Senior Notes in five tranches as follows: $130,000,000 Series 2026 Senior Notes, Tranche A, due April 1, 2029; $160,000,000 Series 2026 Senior Notes, Tranche B, due April 1, 2031; $105,000,000 Series 2026 Senior Notes, Tranche C, due April 1, 2033; $250,000,000 Series 2026 Senior Notes, Tranche D, due April 1, 2036; and $180,000,000 Series 2026 Senior Notes, Tranche E, due April 1, 2038 (collectively, the “Senior Notes”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1126956/000119312525322260/0001193125-25-322260-index.htm

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