NorthWestern Energy Group, Inc. — 10-K Filings

3 10-K filings on record

This page lists all 10-K filings submitted to the SEC by NorthWestern Energy Group, Inc. (NWE), sorted by most recent first. Each row links to the full filing on EdgarLookup. NorthWestern Energy Group, Inc. has filed 3 10-K documents with the SEC since 2023. To view all SEC filings by NorthWestern Energy Group, Inc., see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-Q 144 3 4 425 8-K 8-K12G3 ANNLRPT ARS DEF 14A DEFA14A DEFM14A S-3ASR S-8 SC 13G/A SCHEDULE 13G/A

Form	Description	Accession Number	Filed	Period
10-K	10-K	0001993004-26-000006	Feb 12, 2026	Dec 31, 2025
10-K	10-K	0001993004-25-000021	Feb 13, 2025	Dec 31, 2024
10-K	10-K	0001993004-24-000006	Feb 15, 2024	Dec 31, 2023