---
schema_version: "secwatch.filing_event.v1"
accession: "0001733998-24-000139"
form_type: "8-K"
ticker: "NWN"
cik: "0001733998"
company_name: "Northwest Natural Holding Co"
filed_at: "2024-12-19T23:59:59+00:00"
generated_at: "2026-05-29T01:43:33.676249+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NWN issues $135M in senior notes at 5.52% and 5.86% due 2029 and 2034

## Summary
- $90M of 5.52% Senior Notes Series C due December 19, 2029.
- $45M of 5.86% Senior Notes Series D due December 19, 2034.
- Notes sold via private placement to institutional investors under Section 4(a)(2).
- Interest payable semi-annually on June 19 and December 19, starting June 19, 2025.
- Prepayment options with make-whole premium until Nov 19, 2029 (Series C) and Sep 19, 2034 (Series D).

## SEC filing metadata
- accession: 0001733998-24-000139
- form_type: 8-K
- ticker: NWN
- cik: 0001733998
- company_name: Northwest Natural Holding Co
- filed_at: 2024-12-19T23:59:59+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 2.03
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1733998/000173399824000139/0001733998-24-000139-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1733998/000173399824000139/nwn-20241219.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001733998-24-000139
- JSON: https://secwatch.observer/filing/0001733998-24-000139.json
- Plain text: https://secwatch.observer/filing/0001733998-24-000139.txt

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