---
schema_version: "secwatch.filing_event.v1"
accession: "0001733998-26-000114"
form_type: "8-K"
ticker: "NWN"
cik: "0001733998"
company_name: "Northwest Natural Holding Co"
filed_at: "2026-06-04T22:23:24+00:00"
generated_at: "2026-06-05T10:09:25.818475+00:00"
event_type: "debt"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# NWN and subsidiary raise $195M through senior note placements

## Summary
- Parent NWN issued $50M Series E (5.35%, due 2031); agreed to issue $10M Series F (5.35%, 2031) and $60M Series G (5.83%, 2036).
- Subsidiary NW Natural Water issued $33M Series A (5.15%, 2031) and $42M Series B (5.58%, 2036).
- Proceeds from parent notes for general corporate purposes incl. debt repayment; subsidiary proceeds to repay existing credit facility due June 10, 2026.
- Both issuers must maintain consolidated indebtedness to total capitalization ratio ≤70%.
- NW Holdings is not a guarantor of NW Natural Water notes.

## SEC filing metadata
- accession: 0001733998-26-000114
- form_type: 8-K
- ticker: NWN
- cik: 0001733998
- company_name: Northwest Natural Holding Co
- filed_at: 2026-06-04T22:23:24+00:00
- event_type: debt
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1733998/000173399826000114/0001733998-26-000114-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1733998/000173399826000114/nwn-20260604.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001733998-26-000114
- JSON: https://secwatch.observer/filing/0001733998-26-000114.json
- Plain text: https://secwatch.observer/filing/0001733998-26-000114.txt

## Key facts
- Debt Financings
  Northwest Natural Holding Co incurred senior notes of $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E, due June 4, 2031; $10,000,000 in aggregat with certain institutional investors at Series E: 5.35% per annum; Series F: 5.35% per annum; Series G: 5.83% per annum maturing Series E: June 4, 2031; Series F: August 5, 2031; Series G: August 5, 2036.
  - Instrument: senior notes
  - Principal: $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E, due June 4, 2031; $10,000,000 in aggregat
  - Counterparty: certain institutional investors
  - Rate: Series E: 5.35% per annum; Series F: 5.35% per annum; Series G: 5.83% per annum
  - Maturity: Series E: June 4, 2031; Series F: August 5, 2031; Series G: August 5, 2036
  - Event: incurrence
  source text: On June 4, 2026, Northwest Natural Holding Company (“NW Holdings”) (i) issued and sold $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E, due June 4, 2031 (the “Series E Notes”), (ii) agreed to issue and sell $10,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series F, due August 5, 2031 (the “Series F Notes”) and (iii) agreed to issue and sell $60,000,000 in aggregate principal amount of its 5.83% Senior Notes, Series G, due August 5, 2036 (the “Series G Notes,” and, together with the Series E Notes and the Series F Notes, the “Notes”), to certain institutional investors pursuant to a Note Purchase Agreement, dated June 4, 2026 (the “Note Purchase Agreement”), in reliance on an exemption from registration under Section 4(a)(2) of the Securities Act of 1933, as amended.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399826000114/0001733998-26-000114-index.htm
- Material Agreements
  Northwest Natural Holding Co entered into Note Purchase Agreement with certain institutional investors valued at $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E (effective 2026-06-04).
  - Action: entry
  - Agreement: notes offering
  - Counterparty: certain institutional investors
  - Value: $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E
  - Effective: 2026-06-04
  source text: On June 4, 2026, Northwest Natural Holding Company (“NW Holdings”) (i) issued and sold $50,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series E, due June 4, 2031 (the “Series E Notes”), (ii) agreed to issue and sell $10,000,000 in aggregate principal amount of its 5.35% Senior Notes, Series F, due August 5, 2031 (the “Series F Notes”) and (iii) agreed to issue and sell $60,000,000 in aggregate principal amount of its 5.83% Senior Notes, Series G, due August 5, 2036 (the “Series G Notes,” and, together with the Series E Notes and the Series F Notes, the “Notes”), to certain institutional investors pursuant to a Note Purchase Agreement, dated June 4, 2026 (the “Note Purchase Agreement”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1733998/000173399826000114/0001733998-26-000114-index.htm

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