# NorthWestern Energy Group, Inc.: Form 8-K, filed May 18, 2026

- Company: [NorthWestern Energy Group, Inc.](/companies/nwe.md) (CIK 1993004)
- Form: 8-K
- Filed: 2026-05-18
- Accepted by EDGAR: May 18, 2026, 10:23 ET
- Period: 2026-05-18
- Accession: 0001993004-26-000035
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000035/nwe-20260518.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/1993004/000199300426000035/

## Items reported

- Item 7.01: Regulation FD disclosure
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/1993004/000199300426000035/nwe-20260518.htm

Filed May 18, 2026.
Source: SEC EDGAR, the filing index for accession 0001993004-26-000035. Last ingested by Listed: Nov 6, 2026, 17:53 ET. No prices; not investment advice.