---
schema_version: "secwatch.filing_event.v1"
accession: "0001993004-26-000026"
form_type: "8-K"
ticker: "NWE"
cik: "0001993004"
company_name: "NorthWestern Energy Group, Inc."
filed_at: "2026-04-03T23:59:59+00:00"
generated_at: "2026-05-15T07:42:11.896885+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NorthWestern shareholders approve merger with Black Hills; Bright Horizon Energy to be formed

## Summary
- 52.4M shares voted for merger adoption (99.9% of votes cast); 85% of outstanding shares participated.
- Combined company named Bright Horizon Energy Corporation, serving customers across eight states.
- Merger remains subject to HSR, FERC, and state approvals in MT, NE, SD; closing expected H2 2026.
- Advisory vote on merger-related executive compensation approved with 49.4M votes in favor.

## SEC filing metadata
- accession: 0001993004-26-000026
- form_type: 8-K
- ticker: NWE
- cik: 0001993004
- company_name: NorthWestern Energy Group, Inc.
- filed_at: 2026-04-03T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 5.07, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000026/0001993004-26-000026-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000026/nwe-20260402.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001993004-26-000026
- JSON: https://secwatch.observer/filing/0001993004-26-000026.json
- Plain text: https://secwatch.observer/filing/0001993004-26-000026.txt

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