---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-197980"
form_type: "8-K"
ticker: "NWN"
cik: "0001733998"
company_name: "Northwest Natural Holding Co"
filed_at: "2024-08-09T23:59:59+00:00"
generated_at: "2026-05-31T10:26:38.959513+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Northwest Natural files new S-3 shelf and $200M ATM equity program

## Summary
- New S-3 registration (333-281437) filed Aug 9, 2024, replacing expiring prior S-3.
- ATM prospectus supplement for up to $200M of common stock through equity distribution agreement.
- BMO Capital Markets added as agent; maximum gross sales price increased under agreement.
- Company has no obligation to sell shares and may suspend offers at any time.

## SEC filing metadata
- accession: 0001193125-24-197980
- form_type: 8-K
- ticker: NWN
- cik: 0001733998
- company_name: Northwest Natural Holding Co
- filed_at: 2024-08-09T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1733998/000119312524197980/0001193125-24-197980-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1733998/000119312524197980/d842982d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-197980
- JSON: https://secwatch.observer/filing/0001193125-24-197980.json
- Plain text: https://secwatch.observer/filing/0001193125-24-197980.txt

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