| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 425 | Open Document | Open Filing | 425 B OF A INTERVIEW TRANSCRIPT BIRD | Sep 11, 2025 | 000-56598 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Sep 3, 2025 | Sep 3, 2025 | 000-56598 |
| 425 | Open Document | Open Filing | 425 HH TRANSCRIPT | Aug 28, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 JH LINKEDIN POST | Aug 20, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE SUPPLIER BUSINESS PARTNER | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 REGULATOR ELECTED OFFICIAL | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE PEOPLE LEADER TOOLKIT | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE PEOPLE LEADER COVER EMAIL | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE LEADER COMM TOOLKIT | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE EMPLOYEE FAQ | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE CUSTOMER EMAIL | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 ANALYST INVESTOR COURTESY | Aug 19, 2025 | 000-56598 | |
| 425 | Open Document | Open Filing | 425 NWE EMPLOYEE EMAIL | Aug 19, 2025 | 000-56598 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 19, 2025 | Aug 18, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 19, 2025 | Aug 19, 2025 | 000-56598 |
| SCHEDULE 13G/A | Open Document | Open Filing | Aug 14, 2025 | 005-94291 | ||
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2025 | Aug 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2025 | Aug 1, 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jul 31, 2025 | Jul 30, 2025 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 31, 2025 | Jun 30, 2025 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 9, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2025 | Jul 1, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 7, 2025 | Jul 1, 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 5, 2025 | Jun 5, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 28, 2025 | May 28, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 19, 2025 | May 19, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 7, 2025 | May 1, 2025 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2025 | May 5, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2025 | May 2, 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | May 5, 2025 | Apr 30, 2025 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2025 | May 2, 2025 | |
| 144 | Open Document | Open Filing | May 2, 2025 | 000-56598 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 30, 2025 | Apr 29, 2025 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Apr 30, 2025 | Mar 31, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 10, 2025 | Apr 10, 2025 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 7, 2025 | Apr 4, 2025 | |
| SCHEDULE 13G/A | Open Document | Open Filing | Apr 3, 2025 | 005-94291 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 27, 2025 | Mar 21, 2025 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 25, 2025 | Mar 25, 2025 | 000-56598 |
| ARS | Open Document | Open Filing | ARS NWE ANNUAL REPORT (FILED 2025) | Mar 12, 2025 | Dec 31, 2024 | 000-56598 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Mar 12, 2025 | 000-56598 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Mar 12, 2025 | Apr 30, 2025 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2025 | Mar 7, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2025 | Mar 7, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2025 | Mar 3, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2025 | Feb 25, 2025 | |
| 144 | Open Document | Open Filing | Feb 25, 2025 | 000-56598 | ||
| SCHEDULE 13G/A | Open Document | Open Filing | Feb 14, 2025 | 005-94291 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 13, 2025 | Feb 12, 2025 | 000-56598 |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 13, 2025 | Dec 31, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2025 | Feb 5, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2025 | Feb 5, 2025 | |
| SCHEDULE 13G/A | Open Document | Open Filing | Feb 5, 2025 | 005-94291 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2025 | Jan 6, 2025 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 19, 2024 | Dec 12, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2024 | Dec 12, 2024 | |
| 144 | Open Document | Open Filing | Dec 12, 2024 | 000-56598 | ||
| 144 | Open Document | Open Filing | Dec 9, 2024 | 000-56598 | ||
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2024 | Dec 9, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 4, 2024 | Dec 3, 2024 | |
| 3 | Open Document | Open Filing | FORM 3 | Dec 2, 2024 | Dec 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 21, 2024 | Nov 20, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 8, 2024 | Nov 8, 2024 | 000-56598 |
| SC 13G/A | Open Document | Open Filing | Nov 8, 2024 | 005-94291 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Nov 8, 2024 | 005-94291 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2024 | Nov 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 30, 2024 | Oct 28, 2024 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Oct 29, 2024 | Sep 30, 2024 | 000-56598 |
| SC 13G/A | Open Document | Open Filing | Oct 18, 2024 | 005-94291 | ||
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2024 | Oct 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Sep 4, 2024 | Sep 4, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 9, 2024 | Aug 7, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2024 | Aug 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2024 | Aug 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Aug 2, 2024 | Jul 30, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jul 31, 2024 | Jul 30, 2024 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Jul 31, 2024 | Jun 30, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Jul 15, 2024 | Jul 15, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2024 | Jul 2, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jun 3, 2024 | Jun 3, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | May 20, 2024 | May 20, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2024 | May 7, 2024 | |
| 144 | Open Document | Open Filing | May 7, 2024 | 000-56598 | ||
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2024 | May 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2024 | May 3, 2024 | |
| 144 | Open Document | Open Filing | May 3, 2024 | 000-56598 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | May 2, 2024 | Apr 26, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2024 | May 1, 2024 | |
| 144 | Open Document | Open Filing | May 1, 2024 | 000-56598 | ||
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 26, 2024 | Apr 25, 2024 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Apr 26, 2024 | Mar 31, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 18, 2024 | Apr 12, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Apr 3, 2024 | Mar 28, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2024 | Apr 2, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 21, 2024 | Mar 21, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2024 | Mar 13, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2024 | Mar 5, 2024 | |
| ARS | Open Document | Open Filing | ARS NWE ANNUAL REPORT (FILED 2024) | Mar 6, 2024 | Dec 31, 2023 | 000-56598 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Mar 6, 2024 | 000-56598 | |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | Mar 6, 2024 | Apr 26, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 5, 2024 | Mar 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Mar 5, 2024 | Mar 5, 2024 | 000-56598 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2024 | Feb 27, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2024 | Feb 20, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 20, 2024 | Feb 14, 2024 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Feb 15, 2024 | Feb 14, 2024 | 000-56598 |
| 10-K | Open Document | Data | Open Filing | 10-K | Feb 15, 2024 | Dec 31, 2023 | 000-56598 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 12, 2024 | 005-94291 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2024 | Feb 5, 2024 | |
| SC 13G/A | Open Document | Open Filing | Jan 22, 2024 | 005-94291 | ||
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2024 | Jan 8, 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | Jan 2, 2024 | Dec 27, 2023 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 27, 2023 | Dec 20, 2023 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 6, 2023 | Dec 6, 2023 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Dec 5, 2023 | Nov 29, 2023 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Nov 13, 2023 | Nov 12, 2023 | 000-56598 |
| 8-K | Open Document | Data | Open Filing | 8-K | Oct 27, 2023 | Oct 26, 2023 | 000-56598 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | Oct 27, 2023 | Sep 30, 2023 | 000-56598 |
| S-8 | Open Document | Open Filing | S-8 | Oct 3, 2023 | 333-274844 | |
| S-8 | Open Document | Open Filing | S-8 | Oct 3, 2023 | 333-274843 | |
| S-3ASR | Open Document | Open Filing | S-3ASR | Oct 2, 2023 | 333-274814 | |
| S-3ASR | Open Document | Open Filing | S-3ASR | Oct 2, 2023 | 333-274813 | |
| 8-K12G3 | Open Document | Data | Open Filing | 8-K12G3 | Oct 2, 2023 | Oct 2, 2023 | 000-56598 |