---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-23-033388"
form_type: "8-K12G3"
ticker: "NWE"
cik: "0001993004"
company_name: "NorthWestern Energy Group, Inc."
filed_at: "2023-10-02T23:59:59+00:00"
generated_at: "2026-06-10T06:37:53.364417+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# NorthWestern Energy completes holding company reorganization; NorthWestern Energy Group becomes successor issuer

## Summary
- Each share of Old NWE common stock converted one-for-one into New NWE common stock; ticker NWE and CUSIP unchanged.
- The reorganization was a tax-free transaction under Section 251(g) of Delaware law; no stockholder vote required.
- Directors and executive officers of New NWE are identical to those of Old NWE immediately after the merger.
- In early 2024, second phase will transfer South Dakota and Nebraska utilities to a separate direct subsidiary of New NWE.

## SEC filing metadata
- accession: 0001628280-23-033388
- form_type: 8-K12G3
- ticker: NWE
- cik: 0001993004
- company_name: NorthWestern Energy Group, Inc.
- filed_at: 2023-10-02T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01, 3.03, 5.03, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1993004/000162828023033388/0001628280-23-033388-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1993004/000162828023033388/nwe-20231002.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-23-033388
- JSON: https://secwatch.observer/filing/0001628280-23-033388.json
- Plain text: https://secwatch.observer/filing/0001628280-23-033388.txt

## Key facts
- Material Agreements
  NorthWestern Energy Group, Inc. entered into Agreement and Plan of Merger with NorthWestern Energy Merger Company (effective 2023-10-02).
  - Action: entry
  - Agreement: merger
  - Counterparty: NorthWestern Energy Merger Company
  - Effective: 2023-10-02
  source text: On October 2, 2023, Old NWE implemented the Merger pursuant to the Agreement and Plan of Merger (the “Merger Agreement”), dated as of October 2, 2023, by and among Old NWE, New NWE and NorthWestern Energy Merger Company, a Delaware corporation (“Merger Sub”)
  evidence_url: https://www.sec.gov/Archives/edgar/data/1993004/000162828023033388/0001628280-23-033388-index.htm

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