---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-158782"
form_type: "8-K"
ticker: "UTL"
cik: "0000755001"
company_name: "UNITIL CORP"
filed_at: "2025-07-14T23:59:59+00:00"
generated_at: "2026-05-18T06:49:41.395245+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Unitil subsidiary Bangor issues $32M in senior notes at 5.70% and 6.31%

## Summary
- Bangor Natural Gas issued $14M of 5.70% Senior Notes due 2030 and $18M of 6.31% Notes due 2035.
- Proceeds will refinance existing debt of Unitil and for general corporate purposes.
- Notes sold to CoBank and United of Omaha Life Insurance Company in a private placement.
- Notes contain customary covenants and events of default; unregistered under Securities Act.

## SEC filing metadata
- accession: 0001193125-25-158782
- form_type: 8-K
- ticker: UTL
- cik: 0000755001
- company_name: UNITIL CORP
- filed_at: 2025-07-14T23:59:59+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/755001/000119312525158782/0001193125-25-158782-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/755001/000119312525158782/d42911d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-158782
- JSON: https://secwatch.observer/filing/0001193125-25-158782.json
- Plain text: https://secwatch.observer/filing/0001193125-25-158782.txt

## Key facts
- Debt Financings
  UNITIL CORP incurred senior notes of $14,000,000 of 5.70% Senior Unsecured Notes, Series 2025A, due July 8, 2030 and $18,000,000 of 6.31% Senior Unsecured No with CoBank, ACB and United of Omaha Life Insurance Company at 5.70% and 6.31% maturing July 8, 2030 and July 8, 2035.
  - Instrument: senior notes
  - Principal: $14,000,000 of 5.70% Senior Unsecured Notes, Series 2025A, due July 8, 2030 and $18,000,000 of 6.31% Senior Unsecured No
  - Counterparty: CoBank, ACB and United of Omaha Life Insurance Company
  - Rate: 5.70% and 6.31%
  - Maturity: July 8, 2030 and July 8, 2035
  - Event: incurrence
  source text: pursuant to which it issued and sold (i) $14,000,000 of 5.70% Senior Unsecured Notes, Series 2025A, due July 8, 2030 and (ii) $18,000,000 of 6.31% Senior Unsecured Notes, Series 2025B, due July 8, 2035
  evidence_url: https://www.sec.gov/Archives/edgar/data/755001/000119312525158782/0001193125-25-158782-index.htm

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