Pinnacle West Capital Corp SEC filings PNW
Pinnacle West Capital Corp has 1,002 filings in SEC EDGAR's recent list, going back to Feb 18, 2016. Its latest annual report, Form ARS, was filed on Feb 25, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 3, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 3, 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 3, 2026 | Nov 3, 2026 |
| 10-Q | Quarterly report | Nov 3, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 4, 2026 | Sep 4, 2026 |
| 8-K | Current report | Aug 13, 2026 | Aug 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 7, 2026 | Aug 7, 2026 |
| 8-K |
Current report
Material agreement
|
Aug 4, 2026 | Aug 4, 2026 |
| 424B5 | Prospectus supplement | Aug 4, 2026 | — |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 4, 2026 | Aug 4, 2026 |
| 8-K |
Current report
Officer or director change
|
Jun 29, 2026 | Jun 23, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 8, 2026 | Jun 8, 2026 |
| 8-K |
Current report
Other events
|
Jun 5, 2026 | Jun 5, 2026 |
| 424B5 | Prospectus supplement | Jun 5, 2026 | — |
| 8-K | Current report | Jun 5, 2026 | Jun 1, 2026 |
| 424B5 | Prospectus supplement | Jun 2, 2026 | — |
| FWP | Free writing prospectus | Jun 1, 2026 | — |
| 424B5 | Prospectus supplement | Jun 1, 2026 | — |
| POSASR | Filing | May 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 19, 2026 | May 14, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 6, 2026 | May 6, 2026 |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2026 | May 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 15, 2026 | Apr 15, 2026 |
| DEFA14A | Additional proxy material | Apr 3, 2026 | — |
| DEF 14A | Proxy statement | Apr 3, 2026 | May 14, 2026 |
| S-8 POS | Form s-8 pos | Mar 25, 2026 | — |
| 8-K | Current report | Mar 12, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 27, 2026 | Feb 27, 2026 |
| ARS | Annual report to shareholders | Feb 25, 2026 | Dec 31, 2025 |
| 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 |
| 8-K |
Current report
Material agreement, New debt, Officer or director change
|
Feb 19, 2026 | Feb 17, 2026 |
| D/A | Filing | Dec 15, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 7, 2025 | Nov 7, 2025 |
| 10-Q | Quarterly report | Nov 3, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 14, 2025 | Oct 14, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 2, 2025 | Sep 2, 2025 |
| 8-K |
Current report
Material agreement
|
Sep 2, 2025 | Aug 28, 2025 |
| 8-K | Current report | Aug 15, 2025 | Aug 15, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 6, 2025 | Aug 6, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 6, 2025 | Aug 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 22, 2025 | Jul 22, 2025 |
| 8-K/A |
Amended current report
Other events
|
Jun 16, 2025 | Jun 13, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 13, 2025 | Jun 13, 2025 |
| 11-K | Employee savings plan report | Jun 11, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 27, 2025 | May 27, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2025 | May 21, 2025 |
| 8-K | Current report | May 15, 2025 | May 12, 2025 |
| 424B2 | Prospectus | May 13, 2025 | — |
| FWP | Free writing prospectus | May 12, 2025 | — |
| 424B5 | Prospectus supplement | May 12, 2025 | — |
| 10-Q | Quarterly report | May 1, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 1, 2025 | May 1, 2025 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | Dec 31, 2024 |
| PRE 14A | Preliminary proxy statement | Mar 6, 2025 | Mar 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 3, 2025 | Mar 3, 2025 |
| ARS | Annual report to shareholders | Feb 25, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Feb 25, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 25, 2025 | Feb 25, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 19, 2025 | Feb 19, 2025 |
| D/A | Filing | Jan 8, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 6, 2025 | Jan 6, 2025 |
| 8-K |
Current report
Officer or director change
|
Dec 12, 2024 | Dec 10, 2024 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Dec 12, 2024 | Dec 11, 2024 |
| 8-K/A |
Amended current report
Material agreement
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Material agreement
|
Nov 8, 2024 | Nov 8, 2024 |
| 424B5 | Prospectus supplement | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 6, 2024 | Nov 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 30, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 3, 2024 | Sep 3, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Aug 2, 2024 | Aug 2, 2024 |
| 10-Q | Quarterly report | Aug 1, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 1, 2024 | Aug 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Jun 20, 2024 | Jun 19, 2024 |
| 11-K | Employee savings plan report | Jun 14, 2024 | Dec 31, 2023 |
| 8-K | Current report | Jun 10, 2024 | Jun 5, 2024 |
| 424B2 | Prospectus | Jun 6, 2024 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Jun 6, 2024 | Jun 6, 2024 |
| FWP | Free writing prospectus | Jun 5, 2024 | — |
| 424B5 | Prospectus supplement | Jun 5, 2024 | — |
| 8-K |
Current report
Other events
|
Jun 4, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2024 | May 22, 2024 |
| 8-K | Current report | May 9, 2024 | May 9, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2024 | May 7, 2024 |
| DEFA14A | Additional proxy material | May 6, 2024 | — |
| 10-Q | Quarterly report | May 2, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 2, 2024 | May 2, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 8, 2024 | Apr 8, 2024 |
| DEFA14A | Additional proxy material | Apr 4, 2024 | — |
| DEF 14A | Proxy statement | Apr 4, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 20, 2024 | Mar 20, 2024 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 4, 2024 | Feb 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 4, 2024 | Mar 4, 2024 |
| 424B5 | Prospectus supplement | Mar 1, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 29, 2024 | Feb 29, 2024 |
| 424B5 | Prospectus supplement | Feb 28, 2024 | — |
| S-3ASR | Automatic shelf registration | Feb 28, 2024 | — |
| ARS | Annual report to shareholders | Feb 27, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Feb 27, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 27, 2024 | Feb 27, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 10, 2024 | Jan 10, 2024 |
| D/A | Filing | Jan 5, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 1, 2023 | Dec 1, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 9, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2023 | Nov 2, 2023 |
| 10-Q | Quarterly report | Nov 2, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 5, 2023 | Sep 5, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 3, 2023 | Aug 3, 2023 |
| 10-Q | Quarterly report | Aug 3, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 18, 2023 | Jul 18, 2023 |
| 8-K | Current report | Jun 30, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Other events
|
Jun 22, 2023 | Jun 21, 2023 |
| 11-K | Employee savings plan report | Jun 15, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Other events
|
Jun 15, 2023 | Jun 14, 2023 |
| S-3ASR | Automatic shelf registration | Jun 14, 2023 | — |
| S-8 | Employee stock plan registration | Jun 1, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 31, 2023 | May 31, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 19, 2023 | May 19, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2023 | May 4, 2023 |
| 10-Q | Quarterly report | May 4, 2023 | Mar 31, 2023 |
| DEFA14A | Additional proxy material | May 2, 2023 | — |
| DEFA14A | Additional proxy material | May 1, 2023 | — |
| 8-K |
Current report
Officer or director change
|
May 1, 2023 | Apr 28, 2023 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
Apr 10, 2023 | Apr 10, 2023 |
| DEFA14A | Additional proxy material | Apr 5, 2023 | — |
| DEF 14A | Proxy statement | Apr 5, 2023 | — |
| D/A | Filing | Mar 7, 2023 | — |
| D | Filing | Mar 7, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 27, 2023 | Feb 27, 2023 |
| ARS | Annual report to shareholders | Feb 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 27, 2023 | Feb 27, 2023 |
| 10-K | Annual report | Feb 27, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Officer or director change
|
Feb 22, 2023 | Feb 22, 2023 |
| D/A | Filing | Feb 7, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 11, 2023 | Jan 11, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 19, 2022 | Dec 13, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 2, 2022 | Dec 2, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 10, 2022 | Nov 10, 2022 |
| 8-K | Current report | Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 3, 2022 | Nov 3, 2022 |
| 10-Q | Quarterly report | Nov 3, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 28, 2022 | Oct 28, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 12, 2022 | Sep 12, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 9, 2022 | Aug 9, 2022 |
| 10-Q | Quarterly report | Aug 3, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 3, 2022 | Aug 3, 2022 |
| D/A | Filing | Jul 1, 2022 | — |
| 8-K/A |
Amended current report
Officer or director change
|
Jun 27, 2022 | Mar 24, 2022 |
| 11-K | Employee savings plan report | Jun 22, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 13, 2022 | Jun 13, 2022 |
| 8-K |
Current report
Other events
|
Jun 9, 2022 | Jun 9, 2022 |
| 8-K/A |
Amended current report
Officer or director change
|
May 24, 2022 | Mar 24, 2022 |
| 8-K |
Current report
Shareholder vote results
|
May 24, 2022 | May 18, 2022 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
May 12, 2022 | May 11, 2022 |
| DEFA14A | Additional proxy material | May 12, 2022 | — |
| 8-K |
Current report
Regulation FD disclosure
|
May 9, 2022 | May 9, 2022 |
| 10-Q | Quarterly report | May 4, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 4, 2022 | May 4, 2022 |
| DEFA14A | Additional proxy material | Apr 5, 2022 | — |
| DEF 14A | Proxy statement | Apr 5, 2022 | May 18, 2022 |
| 8-K |
Current report
Officer or director change
|
Mar 30, 2022 | Mar 24, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 28, 2022 | Feb 28, 2022 |
| 10-K | Annual report | Feb 25, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations, Officer or director change, Regulation FD disclosure
|
Feb 25, 2022 | Feb 23, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2022 | Jan 12, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2021 | Dec 14, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 3, 2021 | Dec 3, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2021 | Nov 8, 2021 |
| 10-Q | Quarterly report | Nov 5, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 5, 2021 | Nov 5, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 3, 2021 | Sep 3, 2021 |
| 8-K |
Current report
Officer or director change
|
Aug 24, 2021 | Aug 20, 2021 |
| 8-K | Current report | Aug 16, 2021 | Aug 11, 2021 |
| 10-Q | Quarterly report | Aug 5, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2021 | Aug 5, 2021 |
| D/A | Filing | Aug 4, 2021 | — |
| 11-K | Employee savings plan report | Jun 22, 2021 | Dec 31, 2020 |
| S-8 | Employee stock plan registration | Jun 3, 2021 | — |
| 8-K |
Current report
Material agreement, Agreement ended, New debt
|
May 28, 2021 | May 28, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 25, 2021 | May 25, 2021 |
| 8-K |
Current report
Officer or director change, Shareholder vote results, Regulation FD disclosure
|
May 21, 2021 | May 19, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
May 12, 2021 | May 12, 2021 |
| 8-K |
Current report
Officer or director change
|
May 7, 2021 | May 3, 2021 |
| 10-Q | Quarterly report | May 5, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 5, 2021 | May 5, 2021 |
| 8-K |
Current report
Officer or director change
|
Apr 1, 2021 | Mar 30, 2021 |
| DEFA14A | Additional proxy material | Apr 1, 2021 | — |
| DEF 14A | Proxy statement | Apr 1, 2021 | May 19, 2021 |
| D | Filing | Mar 22, 2021 | — |
| S-3ASR | Automatic shelf registration | Mar 4, 2021 | — |
| 8-K |
Current report
Officer or director change
|
Mar 3, 2021 | Feb 26, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 26, 2021 | Feb 26, 2021 |
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 Services (SIC 4911)
- Listed as
- PNW (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- AZ
- Headquarters
- Phoenix, AZ
- SEC filer status
- Large accelerated filer
- SEC CIK
- 764622
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.