PNW Pinnacle West Capital
company
SEC Filings & Insider Trading Activity 2026

CIK: 764622
Utilities
Electric Services 69 filings
S&P 500

Latest Pinnacle West Capital (PNW) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on February 25, 2026, a 10-Q quarterly report filed on May 4, 2026, an 8-K current report filed on August 4, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for Pinnacle West Capital (PNW) (SEC CIK 764622), with AI-powered section-by-section summaries updated daily.

10-Q: 34
8-K: 14
10-K: 11
SC 13G: 10

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 25, 2026
10-Q Quarterly Report
May 4, 2026
8-K Current Report
Aug 4, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Arizona regulated electric utility holding company; ~$30B assets; APS serves ~1.4M customers across 11 of 15 Arizona counties
  • Cholla coal plant ceased operations March 2025, formally retired April 30, 2025; 2025 Rate Case filed seeking recovery of ongoing Cholla environmental remediation costs
  • APS committed to SPP Markets+ day-ahead market participation (FERC-approved Jan 2025), expected live October 2027; major western market expansion vs prior WEIM-only posture
  • 2025 peak demand hit 8,648 MW (Aug 7), up from 8,210 MW in 2024; plans to add up to 2,000 MW of new flexible natural gas generation
  • EPA finalized repeal of 2009 GHG "Endangerment Finding" Feb 18, 2026 — directly undercuts regulatory foundation for carbon emission rules affecting APS's gas fleet buildout plans

Management Discussion & Analysis

  • Revenue $5,340M in 2025 vs $5,125M in 2024, up $215M YoY; retail revenues 95% of total
  • Net income $617M vs $609M, up $8M; operating margin data not explicitly stated in text
  • Operating cash flow $1,805M vs $1,610M (+$195M); capex $2,378M investing outflows, rising ~$444M YoY
  • Dividends $423M paid in 2025 at $3.60/share; no share buybacks; equity infusions to APS of $375M total
  • 2025 Rate Case seeks $579.5M net base rate increase (~13.99%); capex guided $2,600M–$2,700M annually 2026–2028; tariff and wildfire risks flagged

Risk Factors

  • ACC/FERC dual regulatory exposure: ACC can reopen and modify final orders; FERC penalties up to ~$1.2M per day per violation under Energy Policy Act of 2005
  • Trump administration tariffs and 2025 U.S. Supreme Court ruling on IEEPA tariff validity creating cost uncertainty; supply chain delays compounding equipment procurement risks
  • Palo Verde nuclear plant = ~18% of APS's owned/leased generation capacity; potential retrospective insurance premium of ~$24.2M and federal liability exposure up to $144.9M per nuclear incident
  • AI/data center load growth highly uncertain; slower-than-projected ramp-up risk where 1% variation in residential/small commercial kWh sales shifts net income ~$25M annually
  • Holding company structural subordination: Pinnacle West debt junior to all APS subsidiary obligations; APS must maintain minimum 40% common equity ratio per ACC financing order before paying dividends upstream

Go deeper on Pinnacle West Capital

Ask AI about PNW filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

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Annual Reports Archive
10-K

AI-powered analysis of Pinnacle West Capital (PNW) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of Pinnacle West Capital (PNW) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of Pinnacle West Capital (PNW) 8-K current reports disclosing material events.

Financial Summary
XBRL

FY2023FY2024FY2025
Profitability
Revenue$4.7B$5.1B$5.3B
Operating Income$824.6M$1.0B$1.1B
Net Income$501.6M$608.8M$616.5M
Op. Margin17.6%19.7%20.0%
Net Margin10.7%11.9%11.5%
Balance Sheet
Total Assets-$26.1B$30.0B
Equity$6.2B$6.8B$7.0B
ROE8.1%9.0%8.7%
Per Share
EPS$4.41$5.24$5.05
Cash Flow
Operating CF$1.2B$1.6B$1.8B

Source: XBRL financial data from Pinnacle West Capital (PNW) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Aug 4, 2026---
8-K
Aug 4, 2026---
8-K
Jun 29, 2026---
8-K
Jun 8, 2026--
8-K
Jun 5, 2026--
8-K
Jun 5, 2026--
8-K
May 19, 2026--
8-K
May 6, 2026--
10-Q
May 4, 2026Mar 31, 2026-
8-K
May 4, 2026---
8-K
Apr 15, 2026---
8-K
Mar 12, 2026---
8-K
Feb 27, 2026-Analysis-
10-K
Feb 25, 2026Dec 31, 2025Analysis
8-K
Feb 25, 2026---
8-K
Feb 19, 2026--
10-Q
Nov 3, 2025Sep 30, 2025Analysis
10-Q
Aug 6, 2025Jun 30, 2025Analysis
10-Q
May 1, 2025Mar 31, 2025Analysis
10-K
Feb 25, 2025Dec 31, 2024Analysis
SC 13G
Nov 13, 2024--
10-Q
Nov 6, 2024Sep 30, 2024-
10-Q
Aug 1, 2024Jun 30, 2024-
10-Q
May 2, 2024Mar 31, 2024-
10-K
Feb 27, 2024Dec 31, 2023-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate PNW share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 253 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest PNW SEC filings in 2026?

Pinnacle West Capital (PNW) has filed a 10-K annual report on February 25, 2026, a 10-Q quarterly report on May 4, 2026, an 8-K current report on August 4, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did PNW file its most recent 10-K annual report?

Pinnacle West Capital (PNW) filed its most recent 10-K annual report on February 25, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view PNW 10-Q quarterly reports?

Pinnacle West Capital (PNW)'s most recent 10-Q quarterly report was filed on May 4, 2026. SignalX displays every PNW 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has PNW filed recently?

Pinnacle West Capital (PNW)'s most recent 8-K was filed on August 4, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find PNW insider trading activity (Form 4)?

SignalX aggregates every PNW Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does PNW file with the SEC?

Pinnacle West Capital (PNW) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new PNW filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for Pinnacle West Capital (PNW).

What is PNW's SEC CIK number?

Pinnacle West Capital (PNW)'s SEC CIK (Central Index Key) number is 764622. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 764622 to look up all PNW filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find PNW return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from Pinnacle West Capital (PNW) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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