NorthWestern Energy Group, Inc. SEC EDGAR Filings (CIK 0001993004)

SEC EDGAR filings, ownership reports, and insider transactions for NorthWestern Energy Group, Inc..

Symbol
NWE on Nasdaq
Industry
Electric & Other Services Combined (Office Of Energy & Transportation)
Business address
3010 West 69 Th Street, Sioux Falls, SD, 57108
State of incorporation
DE
Fiscal year end
31 December
⭐ Add to watchlist ⭐
Get insider transactions for this issuer
NorthWestern Energy Group, Inc. has filed 273 SEC EDGAR filings since 02 Oct 2023

Latest Filings

Recent SEC filings for NorthWestern Energy Group, Inc. including 4, 8-K, 10-K and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2026 03 Mar 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Mar 2026 27 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 25 Feb 2026 24 Feb 2026
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 17 Feb 2026 11 Feb 2026 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 12 Feb 2026 11 Feb 2026 000-56598
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 12 Feb 2026 31 Dec 2025 000-56598
DEFM14A Open DEFM14A document View SEC filing for DEFM14A DEFM14A 06 Feb 2026 000-56598
425 Open 425 document View SEC filing for 425 425 06 Feb 2026 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2026 03 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2026 03 Feb 2026
425 Open 425 document View SEC filing for 425 425 30 Jan 2026 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 26 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 23 Jan 2026 22 Jan 2026
425 Open 425 document View SEC filing for 425 425 KRTV INTERVIEW TRANSCRIPT 22 Jan 2026 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2026 15 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2026 15 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2026 02 Jan 2026
425 Open 425 document View SEC filing for 425 425 SD BILL INSERT JANUARY 2026 29 Dec 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NE BILL INSERT JAN 2026 29 Dec 2025 000-56598
425 Open 425 document View SEC filing for 425 425 MT RADIO ADS 2025 12 29 29 Dec 2025 000-56598
425 Open 425 document View SEC filing for 425 425 BIRD THE OUTLET TRANSCRIPT 23 Dec 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 19 Dec 2025 19 Dec 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Dec 2025 09 Dec 2025 000-56598
425 Open 425 document View SEC filing for 425 425 EMPLOYEE EMAIL RE DEC MT BILL INSERT 03 Dec 2025 000-56598
425 Open 425 document View SEC filing for 425 425 DECEMBER 2025 MT CUSTOMER BILL INSERT 03 Dec 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2025 07 Nov 2025 000-56598
425 Open 425 document View SEC filing for 425 425 MT PBS IMPACT TRANSCRIPT EXCERPTS 13 Nov 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Nov 2025 10 Nov 2025 000-56598
425 Open 425 document View SEC filing for 425 425 10 Nov 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2025 04 Nov 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2025 04 Nov 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Oct 2025 27 Oct 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2025 29 Oct 2025 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Oct 2025 30 Sep 2025 000-56598
425 Open 425 document View SEC filing for 425 425 28 Oct 2025 000-56598
425 Open 425 document View SEC filing for 425 425 28 Oct 2025 000-56598
425 Open 425 document View SEC filing for 425 425 PRESS RELEASE MT MERGER APPROVAL FILING 21 Oct 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Oct 2025 06 Oct 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Oct 2025 29 Sep 2025 000-56598
425 Open 425 document View SEC filing for 425 425 VOICES OF MT TRANSCRIPT 22 Sep 2025 000-56598
425 Open 425 document View SEC filing for 425 425 B OF A INTERVIEW TRANSCRIPT BIRD 11 Sep 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Sep 2025 03 Sep 2025 000-56598
425 Open 425 document View SEC filing for 425 425 HH TRANSCRIPT 28 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 JH LINKEDIN POST 20 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE SUPPLIER BUSINESS PARTNER 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 REGULATOR ELECTED OFFICIAL 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE PEOPLE LEADER TOOLKIT 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE PEOPLE LEADER COVER EMAIL 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE LEADER COMM TOOLKIT 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE EMPLOYEE FAQ 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE CUSTOMER EMAIL 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 ANALYST INVESTOR COURTESY 19 Aug 2025 000-56598
425 Open 425 document View SEC filing for 425 425 NWE EMPLOYEE EMAIL 19 Aug 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Aug 2025 18 Aug 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Aug 2025 19 Aug 2025 000-56598
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Aug 2025 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2025 01 Aug 2025
4 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2025 01 Aug 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Jul 2025 30 Jul 2025 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2025 30 Jun 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 09 Jul 2025 01 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2025 01 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2025 01 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2025 01 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2025 01 Jul 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Jul 2025 01 Jul 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Jun 2025 05 Jun 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 May 2025 28 May 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 May 2025 19 May 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 07 May 2025 01 May 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 06 May 2025 05 May 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 May 2025 02 May 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 May 2025 30 Apr 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2025 02 May 2025
144 Open 144 document View SEC filing for 144 02 May 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Apr 2025 29 Apr 2025 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 30 Apr 2025 31 Mar 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 10 Apr 2025 10 Apr 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
4 Open 4 document View SEC filing for 4 FORM 4 07 Apr 2025 04 Apr 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 03 Apr 2025 005-94291
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Mar 2025 21 Mar 2025 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 25 Mar 2025 25 Mar 2025 000-56598
ARS Open ARS document View SEC filing for ARS ARS NWE ANNUAL REPORT (FILED 2025) 12 Mar 2025 31 Dec 2024 000-56598
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 12 Mar 2025 000-56598
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 12 Mar 2025 30 Apr 2025 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2025 07 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2025 07 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 10 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2025 03 Mar 2025
4 Open 4 document View SEC filing for 4 FORM 4 26 Feb 2025 25 Feb 2025
144 Open 144 document View SEC filing for 144 25 Feb 2025 000-56598
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-94291
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Feb 2025 12 Feb 2025 000-56598
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 13 Feb 2025 31 Dec 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2025 05 Feb 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2025 05 Feb 2025
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 05 Feb 2025 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
4 Open 4 document View SEC filing for 4 FORM 4 06 Jan 2025 06 Jan 2025
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 19 Dec 2024 12 Dec 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 13 Dec 2024 12 Dec 2024
144 Open 144 document View SEC filing for 144 12 Dec 2024 000-56598
144 Open 144 document View SEC filing for 144 09 Dec 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 09 Dec 2024 09 Dec 2024
4 Open 4 document View SEC filing for 4 FORM 4 04 Dec 2024 03 Dec 2024
3 Open 3 document View SEC filing for 3 FORM 3 02 Dec 2024 01 Dec 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Nov 2024 20 Nov 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Nov 2024 08 Nov 2024 000-56598
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 08 Nov 2024 005-94291
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 08 Nov 2024 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2024 01 Nov 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 30 Oct 2024 28 Oct 2024 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 29 Oct 2024 30 Sep 2024 000-56598
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 18 Oct 2024 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Oct 2024 01 Oct 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Sep 2024 04 Sep 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 09 Aug 2024 07 Aug 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 08 Aug 2024 08 Aug 2024
4 Open 4 document View SEC filing for 4 FORM 4 05 Aug 2024 01 Aug 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Aug 2024 30 Jul 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 31 Jul 2024 30 Jul 2024 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 31 Jul 2024 30 Jun 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Jul 2024 15 Jul 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Jul 2024 02 Jul 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Jun 2024 03 Jun 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 May 2024 20 May 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 08 May 2024 07 May 2024
144 Open 144 document View SEC filing for 144 07 May 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 06 May 2024 02 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 03 May 2024 03 May 2024
144 Open 144 document View SEC filing for 144 03 May 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 May 2024 26 Apr 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 01 May 2024 01 May 2024
144 Open 144 document View SEC filing for 144 01 May 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 26 Apr 2024 25 Apr 2024 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Apr 2024 31 Mar 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 18 Apr 2024 12 Apr 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Apr 2024 28 Mar 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
4 Open 4 document View SEC filing for 4 FORM 4 02 Apr 2024 02 Apr 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 21 Mar 2024 21 Mar 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 14 Mar 2024 13 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
4 Open 4 document View SEC filing for 4 FORM 4 06 Mar 2024 05 Mar 2024
ARS Open ARS document View SEC filing for ARS ARS NWE ANNUAL REPORT (FILED 2024) 06 Mar 2024 31 Dec 2023 000-56598
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 06 Mar 2024 000-56598
DEF 14A Open DEF 14A document | Open XBRL data View SEC filing for DEF 14A DEF 14A 06 Mar 2024 26 Apr 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 05 Mar 2024 01 Mar 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Mar 2024 05 Mar 2024 000-56598
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2024 27 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 21 Feb 2024 20 Feb 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Feb 2024 14 Feb 2024 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 15 Feb 2024 14 Feb 2024 000-56598
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 15 Feb 2024 31 Dec 2023 000-56598
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Feb 2024 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2024 05 Feb 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 22 Jan 2024 005-94291
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 08 Jan 2024
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 02 Jan 2024 27 Dec 2023 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Dec 2023 20 Dec 2023 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 06 Dec 2023 06 Dec 2023 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 05 Dec 2023 29 Nov 2023 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 13 Nov 2023 12 Nov 2023 000-56598
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Oct 2023 26 Oct 2023 000-56598
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 27 Oct 2023 30 Sep 2023 000-56598
S-8 Open S-8 document View SEC filing for S-8 S-8 03 Oct 2023 333-274844
S-8 Open S-8 document View SEC filing for S-8 S-8 03 Oct 2023 333-274843
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 02 Oct 2023 333-274814
S-3ASR Open S-3ASR document View SEC filing for S-3ASR S-3ASR 02 Oct 2023 333-274813
8-K12G3 Open 8-K12G3 document | Open XBRL data View SEC filing for 8-K12G3 8-K12G3 02 Oct 2023 02 Oct 2023 000-56598

About this filer

NorthWestern Energy Group, Inc. files with the SEC under CIK 0001993004. This page aggregates EDGAR filings and related ownership activity.

Industry: Electric & Other Services Combined.

See insider transactions for this issuer.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

Related pages