Company facts
- Industry
- Electric Services
- Headquarters
- Phoenix, Arizona
- Most recent report
- 8-K, filed Sep 4, 2026
- Incorporated
- Arizona
- Filings on record
- 1,000+ filings
- On EDGAR
- CIK 764622
- Fiscal year ends
- December
- Filer status
- Large accelerated filer
Financials 8 of 43
News 8 of 248
- 8-K Current report on a material event Sep 4, 2026
- 8-K Current report on a material event Aug 13, 2026
- 8-K Current report on a material event Aug 7, 2026
- 8-K Significant contract Aug 4, 2026
- 8-K Quarterly results Aug 4, 2026
- 8-K Leadership change Jun 29, 2026
- 8-K Current report on a material event Jun 8, 2026
- 8-K Other events Jun 5, 2026
Prospectuses and Registrations 8 of 29
- 424B5 Prospectus supplement for an offering Aug 4, 2026
- 424B5 Prospectus supplement for an offering Jun 5, 2026
- 424B5 Prospectus supplement for an offering Jun 2, 2026
- FWP Free writing prospectus Jun 1, 2026
- 424B5 Prospectus supplement for an offering Jun 1, 2026
- S-8 POS Post-effective amendment to an employee plan registration Mar 25, 2026
- 424B2 Prospectus supplement for an offering May 13, 2025
- FWP Free writing prospectus May 12, 2025
Proxies 8 of 34
- DEFA14A Extra proxy material Apr 3, 2026
- DEF 14A Proxy statement for a shareholder vote Apr 3, 2026
- DEFA14A Extra proxy material Apr 8, 2025
- DEF 14A Proxy statement for a shareholder vote Apr 8, 2025
- PRE 14A Preliminary proxy statement Mar 6, 2025
- DEFA14A Extra proxy material May 6, 2024
- DEFA14A Extra proxy material Apr 4, 2024
- DEF 14A Proxy statement for a shareholder vote Apr 4, 2024
Ownership 8 of 607
- SCHEDULE 13G Large holder reported a passive stake Aug 12, 2026
- 4 Insider reported a trade Aug 11, 2026
- 4 Insider reported a trade Aug 11, 2026
- 144 Notice of a proposed sale of restricted stock Aug 7, 2026
- 144 Notice of a proposed sale of restricted stock Aug 7, 2026
- 4 Insider reported a trade May 18, 2026
- 4 Insider reported a trade May 18, 2026
- 4 Insider reported a trade May 18, 2026
Other 8 of 39
- POSASR May 29, 2026
- ARS Annual report sent to shareholders Feb 25, 2026
- D/A Amended filing Dec 15, 2025
- 11-K Employee stock plan report Jun 11, 2025
- ARS Annual report sent to shareholders Feb 25, 2025
- D/A Amended filing Jan 8, 2025
- 11-K Employee stock plan report Jun 14, 2024
- ARS Annual report sent to shareholders Feb 27, 2024
What to read: Jun 2026 10-Q
SECSift found 3 of 10 sections worth reading, with 0 positive, 8 notable, and 3 negative flags.
Financial Statements (Item 1)
Financial statements and notes with rate case, debt, and lawsuit details.NotableManagement's Discussion (Item 2)
MD&A with pending rate case, court ruling, and financial results.Notable- APS announced Cholla gas conversion (380 MW, up to $440M cost) targeted for 2029.
- Inflation reaccelerating: CPI-U 4.2% nationally (May 2026) vs 2.4% (Feb 2026) in prior filing.
- 2025 Rate Case: $579.5M net base rate increase (13.99%) requested; hearing concluded July 7, 2026.
- Arizona Court of Appeals ruled GAC for solar customers was imposed without adequate notice (June 16, 2026).
- APS applied to increase long-term debt limit from $9.5B to $12B on July 31, 2026.
Other Information (Item 5)
Pending lawsuit challenges EPA rule; outcome could tighten permits for APS gas units.
What changed: Jun 2026 vs. Mar 2026
About 9% of PNW's Jun 2026 10-Q is new information. 70 paragraphs were added, 203 changed, and 56 removed. Below are the most important lines SECSift identified.
New
- Cholla gas conversion announced July 2, 2026 (380 MW, construction 2028, service 2029). Item 1
- Court of Appeals ruling on GAC (June 16, 2026) found lack of notice; APS seeks reconsideration. Item 1
- Current section adds ozone nonattainment status and lawsuit, which was absent from prior filing. Item 5
- Regulatory Lag Docket: Arizona Supreme Court denied petition on May 8, 2026. Item 2
Removed
Everything here comes from Pinnacle West Capital Corp's own filings on SEC EDGAR. The filing list is rechecked every hour. SECSift analysis was completed on Aug 20, 2026, from the 10-Q for Jun 2026.