---
schema_version: "secwatch.filing_event.v1"
accession: "0001733998-22-000050"
form_type: "8-K"
ticker: "NWN"
cik: "0001733998"
company_name: "Northwest Natural Holding Co"
filed_at: "2022-12-14T23:59:59+00:00"
generated_at: "2026-06-21T04:49:54.136674+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# NW Natural issues $230M in first mortgage bonds across three series with rates 5.18%-5.43%

## Summary
- $100M 5.43% Series due 2053, $80M 5.18% Series due 2034, $50M 5.23% Series due 2038.
- 5.43% bonds expected Jan 6, 2023; 5.18% and 5.23% bonds expected Aug 4, 2023.
- All bonds subject to make-whole redemption prior to certain dates; semi-annual interest.
- Issued under Section 4(a)(2) exemption; proceeds for general corporate purposes.

## SEC filing metadata
- accession: 0001733998-22-000050
- form_type: 8-K
- ticker: NWN
- cik: 0001733998
- company_name: Northwest Natural Holding Co
- filed_at: 2022-12-14T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1733998/000173399822000050/0001733998-22-000050-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/73020/000173399822000050/nwn-20221213.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001733998-22-000050
- JSON: https://secwatch.observer/filing/0001733998-22-000050.json
- Plain text: https://secwatch.observer/filing/0001733998-22-000050.txt

## Key facts
- Debt Financings
  Northwest Natural Holding Co incurred senior notes of $50,000,000 aggregate principal amount at 5.23% per annum maturing August 4, 2038.
  - Instrument: senior notes
  - Principal: $50,000,000 aggregate principal amount
  - Rate: 5.23% per annum
  - Maturity: August 4, 2038
  - Event: incurrence
  source text: $50,000,000 aggregate principal amount of NW Natural’s First Mortgage Bonds, 5.23% Series due August 4, 2038
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399822000050/0001733998-22-000050-index.htm
- Debt Financings
  Northwest Natural Holding Co incurred senior notes of $100,000,000 aggregate principal amount at 5.43% per annum maturing January 6, 2053.
  - Instrument: senior notes
  - Principal: $100,000,000 aggregate principal amount
  - Rate: 5.43% per annum
  - Maturity: January 6, 2053
  - Event: incurrence
  source text: $100,000,000 aggregate principal amount of NW Natural’s First Mortgage Bonds, 5.43% Series due 2053
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399822000050/0001733998-22-000050-index.htm
- Debt Financings
  Northwest Natural Holding Co incurred senior notes of $80,000,000 aggregate principal amount at 5.18% per annum maturing August 4, 2034.
  - Instrument: senior notes
  - Principal: $80,000,000 aggregate principal amount
  - Rate: 5.18% per annum
  - Maturity: August 4, 2034
  - Event: incurrence
  source text: $80,000,000 aggregate principal amount of NW Natural’s First Mortgage Bonds, 5.18% Series due 2034
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399822000050/0001733998-22-000050-index.htm

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