NorthWestern Energy Group, Inc. - NWE

All tracked SEC files for this issuer. Showing up to 200 latest records.
Need parsed ownership details (13D/13G with shares/percent)? Open ownership details
Form 4 = insider transactions report. Form 144 = notice of proposed sale (not a completed trade confirmation).

Files summary

Total files loaded: 52
Latest filed: Apr 07, 2026
Form Count
4 43
8-K 8
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Apr 07, 2026 4 Apr 07, 2026 0001182496-26-000004 View
Apr 07, 2026 4 Apr 07, 2026 0001328106-26-000004 View
Apr 07, 2026 4 Apr 07, 2026 0001530618-26-000004 View
Apr 07, 2026 4 Apr 07, 2026 0001634403-26-000004 View
Apr 07, 2026 4 Apr 07, 2026 0001428704-26-000004 View
Apr 07, 2026 4 Apr 07, 2026 0001931208-26-000004 View
Apr 03, 2026 8-K Apr 02, 2026 0001993004-26-000026 View
Mar 27, 2026 SCHEDULE 13G/A 0000102909-26-001990 View
Mar 03, 2026 4 Mar 03, 2026 0001522051-26-000006 View
Mar 02, 2026 4 Feb 27, 2026 0001847810-26-000004 View
Mar 02, 2026 4 Feb 27, 2026 0001335071-26-000006 View
Mar 02, 2026 4 Feb 27, 2026 0001945750-26-000004 View
Mar 02, 2026 4 Feb 27, 2026 0001450010-26-000004 View
Mar 02, 2026 4 Feb 27, 2026 0001522052-26-000006 View
Mar 02, 2026 4 Feb 27, 2026 0001656678-26-000006 View
Mar 02, 2026 4 Feb 27, 2026 0001981436-26-000004 View
Mar 02, 2026 4 Feb 27, 2026 0001960374-26-000006 View
Mar 02, 2026 4 Feb 27, 2026 0001271670-26-000006 View
Feb 25, 2026 4 Feb 24, 2026 0001271670-26-000004 View
Feb 25, 2026 4 Feb 24, 2026 0001522051-26-000004 View
Feb 25, 2026 4 Feb 24, 2026 0001960374-26-000004 View
Feb 25, 2026 4 Feb 24, 2026 0001522052-26-000004 View
Feb 25, 2026 4 Feb 24, 2026 0001335071-26-000004 View
Feb 25, 2026 4 Feb 24, 2026 0001656678-26-000004 View
Feb 17, 2026 8-K Feb 11, 2026 0001993004-26-000010 View
Feb 12, 2026 8-K Feb 11, 2026 0001993004-26-000008 View
Feb 04, 2026 4 Feb 03, 2026 0001730877-26-000002 View
Feb 04, 2026 4 Feb 03, 2026 0001244563-26-000002 View
Jan 26, 2026 4 Jan 22, 2026 0001450010-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001271670-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001847810-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001335071-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001945750-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001656678-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001981436-26-000002 View
Jan 23, 2026 4 Jan 22, 2026 0001522052-26-000002 View
Jan 20, 2026 4 Jan 15, 2026 0001522051-26-000002 View
Jan 20, 2026 4 Jan 15, 2026 0001960374-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001182496-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001328106-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001530618-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001634403-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001428704-26-000002 View
Jan 06, 2026 4 Jan 02, 2026 0001931208-26-000002 View
Dec 19, 2025 4 Dec 19, 2025 0001271670-25-000009 View
Dec 09, 2025 8-K Dec 09, 2025 0001993004-25-000203 View
Nov 13, 2025 8-K Nov 07, 2025 0001993004-25-000196 View
Nov 10, 2025 8-K Nov 10, 2025 0001993004-25-000192 View
Nov 05, 2025 4 Nov 04, 2025 0001730877-25-000008 View
Nov 05, 2025 4 Nov 04, 2025 0001244563-25-000004 View
Oct 31, 2025 8-K Oct 27, 2025 0001993004-25-000190 View
Oct 30, 2025 8-K Oct 29, 2025 0001993004-25-000186 View