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: 54
Latest filed: Jul 13, 2026
Form Count
4 40
8-K 10
SCHEDULE 13G 2
4/A 1
SCHEDULE 13G/A 1

Latest files

Filed Form Report period Accession SEC
Jul 13, 2026 4/A Jul 09, 2026 0001182496-26-000011 View
Jul 13, 2026 4 Jul 09, 2026 0001530618-26-000007 View
Jul 13, 2026 4 Jul 09, 2026 0001931208-26-000006 View
Jul 13, 2026 4 Jul 09, 2026 0001428704-26-000006 View
Jul 13, 2026 4 Jul 09, 2026 0001634403-26-000006 View
Jul 13, 2026 4 Jul 09, 2026 0001328106-26-000007 View
Jul 13, 2026 4 Jul 06, 2026 0001182496-26-000009 View
Jun 22, 2026 8-K Jun 15, 2026 0001993004-26-000046 View
Jun 02, 2026 8-K Jun 02, 2026 0001993004-26-000042 View
Jun 02, 2026 8-K May 27, 2026 0001993004-26-000044 View
May 27, 2026 8-K May 27, 2026 0001993004-26-000038 View
May 18, 2026 8-K May 18, 2026 0001993004-26-000035 View
May 12, 2026 4 May 11, 2026 0001244563-26-000004 View
May 12, 2026 4 May 11, 2026 0001730877-26-000004 View
May 05, 2026 8-K Apr 30, 2026 0001993004-26-000033 View
Apr 30, 2026 8-K Apr 29, 2026 0001993004-26-000031 View
Apr 30, 2026 SCHEDULE 13G 0002100119-26-000778 View
Apr 29, 2026 SCHEDULE 13G 0002100121-26-000542 View
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