NorthWestern Energy Group, Inc. SEC filings NWE
NorthWestern Energy Group, Inc. has 318 filings in SEC EDGAR's recent list, going back to Oct 2, 2023. Its latest annual report, Form 10-K, was filed on Feb 12, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations, regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 5, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 9, 2026 | Sep 9, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 30, 2026 | Jul 29, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 22, 2026 | Jun 15, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Jun 2, 2026 | May 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 2, 2026 | Jun 2, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 27, 2026 | May 27, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 18, 2026 | May 18, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 5, 2026 | Apr 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2026 | Apr 29, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Apr 3, 2026 | Apr 2, 2026 |
| 8-K |
Current report
Officer or director change
|
Feb 17, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 12, 2026 | Feb 11, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 9, 2025 | Dec 9, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 13, 2025 | Nov 7, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2025 | Nov 10, 2025 |
| 8-K |
Current report
Officer or director change
|
Oct 31, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 3, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 3, 2025 | Sep 3, 2025 |
| 8-K |
Current report
Material agreement, Officer or director change, Bylaw or fiscal year change, Regulation FD disclosure
|
Aug 19, 2025 | Aug 18, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 19, 2025 | Aug 19, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2025 | Jul 30, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 5, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 28, 2025 | May 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
May 19, 2025 | May 19, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
May 7, 2025 | May 1, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 5, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 30, 2025 | Apr 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 10, 2025 | Apr 10, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Mar 27, 2025 | Mar 21, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 25, 2025 | Mar 25, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 13, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 19, 2024 | Dec 12, 2024 |
| 8-K |
Current report
Officer or director change
|
Nov 21, 2024 | Nov 20, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 30, 2024 | Oct 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 4, 2024 | Sep 4, 2024 |
| 8-K |
Current report
Officer or director change
|
Aug 9, 2024 | Aug 7, 2024 |
| 8-K |
Current report
Material agreement
|
Aug 2, 2024 | Jul 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 31, 2024 | Jul 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jul 15, 2024 | Jul 15, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 20, 2024 | May 20, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 2, 2024 | Apr 26, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Apr 26, 2024 | Apr 25, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 18, 2024 | Apr 12, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 3, 2024 | Mar 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 21, 2024 | Mar 21, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 5, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 20, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 15, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Material agreement
|
Jan 2, 2024 | Dec 27, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 27, 2023 | Dec 20, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 6, 2023 | Dec 6, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Dec 5, 2023 | Nov 29, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 13, 2023 | Nov 12, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Oct 27, 2023 | Oct 26, 2023 |
Showing 58 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Electric & Other Services Combined (SIC 4931)
- Listed as
- NWE (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Sioux Falls, SD
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1993004
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.