Avista Corp SEC filings AVA
Avista Corp has 1,010 filings in SEC EDGAR's recent list, going back to Jan 4, 2018. Its latest annual report, Form ARS, was filed on Apr 1, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 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 4, 2026 | Nov 4, 2026 |
| 10-Q | Quarterly report | Nov 4, 2026 | Sep 30, 2026 |
| 3 | Initial insider ownership | Oct 1, 2026 | Oct 1, 2026 |
| 3 | Initial insider ownership | Oct 1, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 2, 2026 |
| 4 | Insider transaction | Sep 2, 2026 | Sep 1, 2026 |
| 144 | Notice of proposed sale | Sep 2, 2026 | — |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 19, 2026 | Aug 17, 2026 |
| 8-K |
Current report
Other events
|
Aug 3, 2026 | Aug 1, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 3, 2026 | Aug 3, 2026 |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2026 | Jul 2, 2026 |
| 11-K | Employee savings plan report | Jun 26, 2026 | Dec 31, 2025 |
| 4 | Insider transaction | Jun 16, 2026 | Jun 15, 2026 |
| 8-K |
Current report
Other events
|
Jun 12, 2026 | Jun 12, 2026 |
| 8-K |
Current report
Other events
|
Jun 2, 2026 | May 29, 2026 |
| 8-K |
Current report
Material agreement, New debt, Shareholder vote results
|
May 20, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 18, 2026 | May 15, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 13, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 11, 2026 | May 8, 2026 |
| 4 | Insider transaction | May 7, 2026 | May 7, 2026 |
| 144 | Notice of proposed sale | May 7, 2026 | — |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
May 5, 2026 | May 5, 2026 |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 29, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 28, 2026 | — |
| S-8 | Employee stock plan registration | Apr 27, 2026 | — |
| 4 | Insider transaction | Apr 16, 2026 | Apr 15, 2026 |
| ARS | Annual report to shareholders | Apr 1, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 1, 2026 | — |
| DEF 14A | Proxy statement | Apr 1, 2026 | May 14, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 26, 2026 | — |
| 4 | Insider transaction | Mar 17, 2026 | Mar 16, 2026 |
| 4 | Insider transaction | Mar 13, 2026 | Mar 13, 2026 |
| 144 | Notice of proposed sale | Mar 13, 2026 | — |
| 4 | Insider transaction | Mar 10, 2026 | Mar 9, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 4, 2026 | Feb 27, 2026 |
| 4/A | Primary document | Mar 4, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 26, 2026 | Feb 26, 2026 |
| 144 | Notice of proposed sale | Feb 26, 2026 | — |
| 10-K | Annual report | Feb 25, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 25, 2026 | Feb 25, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 5 | Annual insider ownership | Feb 12, 2026 | Jan 15, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 2, 2026 |
| 8-K |
Current report
Other events
|
Jan 16, 2026 | Jan 16, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Jan 8, 2026 | Jan 6, 2026 |
| 4 | Insider transaction | Dec 16, 2025 | Dec 16, 2025 |
| 144 | Notice of proposed sale | Dec 16, 2025 | — |
| 4 | Insider transaction | Dec 12, 2025 | Dec 12, 2025 |
| 144 | Notice of proposed sale | Dec 12, 2025 | — |
| 5 | Annual insider ownership | Dec 9, 2025 | Dec 9, 2025 |
| 4 | Insider transaction | Dec 4, 2025 | Dec 3, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 2, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 5, 2025 | Nov 5, 2025 |
| 10-Q | Quarterly report | Nov 5, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 30, 2025 | — |
| 3 | Initial insider ownership | Oct 8, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 5 | Annual insider ownership | Sep 17, 2025 | Sep 16, 2025 |
| 4 | Insider transaction | Sep 5, 2025 | Sep 5, 2025 |
| 144 | Notice of proposed sale | Sep 5, 2025 | — |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 4 | Insider transaction | Sep 4, 2025 | Sep 2, 2025 |
| 424B5 | Prospectus supplement | Aug 8, 2025 | — |
| 8-K |
Current report
Results of operations
|
Aug 6, 2025 | Aug 6, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Jul 25, 2025 | Jul 23, 2025 |
| 4 | Insider transaction | Jul 2, 2025 | Jul 1, 2025 |
| 11-K | Employee savings plan report | Jun 23, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Jun 12, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Other events
|
Jun 11, 2025 | Jun 9, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 13, 2025 | May 8, 2025 |
| 424B5 | Prospectus supplement | May 7, 2025 | — |
| S-3ASR | Automatic shelf registration | May 7, 2025 | — |
| 8-K |
Current report
Results of operations
|
May 7, 2025 | May 7, 2025 |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 5, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 23, 2025 | — |
| 4 | Insider transaction | Apr 2, 2025 | Apr 1, 2025 |
| ARS | Annual report to shareholders | Mar 26, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Mar 26, 2025 | — |
| DEF 14A | Proxy statement | Mar 26, 2025 | May 8, 2025 |
| 4 | Insider transaction | Mar 13, 2025 | Mar 13, 2025 |
| 144 | Notice of proposed sale | Mar 13, 2025 | — |
| 4 | Insider transaction | Mar 10, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Mar 10, 2025 | Mar 10, 2025 |
| 144 | Notice of proposed sale | Mar 10, 2025 | — |
| 4 | Insider transaction | Mar 6, 2025 | Mar 6, 2025 |
| 144 | Notice of proposed sale | Mar 6, 2025 | — |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 4, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 3, 2025 |
| 4 | Insider transaction | Mar 4, 2025 | Mar 4, 2025 |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 144 | Notice of proposed sale | Mar 4, 2025 | — |
| 4 | Insider transaction | Feb 28, 2025 | Feb 28, 2025 |
| 144 | Notice of proposed sale | Feb 28, 2025 | — |
| 8-K |
Current report
Results of operations
|
Feb 26, 2025 | Feb 26, 2025 |
| 10-K | Annual report | Feb 26, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 13, 2025 | Feb 12, 2025 |
| 8-K |
Current report
Other events
|
Feb 6, 2025 | Jan 31, 2025 |
| 4/A | Primary document | Jan 16, 2025 | Jan 8, 2025 |
| 4/A | Primary document | Jan 16, 2025 | Jan 8, 2025 |
Showing 200 filings, the most recent 200. 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
- AVA (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- WA
- Headquarters
- Spokane, WA
- SEC filer status
- Large accelerated filer
- SEC CIK
- 104918
- Former names
- WASHINGTON WATER POWER CO (until Dec 10, 1998)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.