NorthWestern Energy Group, Inc.

For the period ended Nov 4, 2026. Filed Nov 5, 2026.

About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Nov 4, 2026 · Filed Nov 5, 2026

NWE$84.10+1.7%Stored close · as of Nov 9, 2026

Opening this filing…