PNW - NYSE
Pinnacle West Capital Corporation
$100.48
+1.1%Pinnacle West Capital Corporation, through its subsidiary, Arizona Public Service Company, provides retail and wholesale electric services primarily in the state of Arizona. The company engages in the generation, transmission, and distribution of electricity using coal, nuclear, gas, oil, and solar generating facilities. Its transmission facilities include approximately 5,814 pole miles of overhead lines and approximately 74 miles of underground lines; and distribution facilities comprise approximately 11,258 miles of overhead lines and approximately 22,821 miles of underground primary cable, as well as owns and maintains 475 transmission and distribution substations. The company also owns or leases approximately 6,323 megawatts of regulated generation capacity. It serves approximately 1.3 million customers. Pinnacle West Capital Corporation was incorporated in 1985 and is headquartered in Phoenix, Arizona.
At a Glance
Live SnapshotSEC Filings
PNW - Filing history and reports
| Filing Type | Filing Date | Period Ending | Fiscal Year | Actions |
|---|---|---|---|---|
8-K 8-K 2026 N/A | May 19, 2026 | May 14, 2026 | 2026 | |
8-K 8-K 2026 N/A | May 06, 2026 | May 06, 2026 | 2026 | |
8-K 8-K 2026 N/A | May 04, 2026 | May 04, 2026 | 2026 | |
10-Q 10-Q 2026 Q1 Q1 | May 04, 2026 | March 31, 2026 | 2026 | |
8-K 8-K 2026 N/A | April 15, 2026 | April 15, 2026 | 2026 | |
DEF 14A DEF 14A 2026 N/A | April 03, 2026 | May 14, 2026 | 2026 | |
8-K 8-K 2026 N/A | March 12, 2026 | March 10, 2026 | 2026 | |
8-K 8-K 2026 N/A | February 27, 2026 | February 27, 2026 | 2026 | |
10-K 10-K 2025 FY FY | February 25, 2026 | December 31, 2025 | 2025 | |
8-K 8-K 2026 N/A | February 25, 2026 | February 25, 2026 | 2026 |
Understanding SEC Filings
Essential regulatory documents for investors
SEC filings are mandatory documents that publicly traded companies must submit to the Securities and Exchange Commission. These reports provide critical insights into a company's financial health, operations, risks, and strategic direction. For investors conducting due diligence, these filings are the most authoritative source of company information.
Annual Report
Comprehensive annual financial report filed within 60-90 days of fiscal year-end. Includes audited financial statements, management discussion & analysis (MD&A), risk factors, and detailed business operations. The most thorough financial disclosure of the year.
Quarterly Report
Unaudited quarterly financial report filed within 40-45 days after each of the first three fiscal quarters. Provides updates on financial position, results of operations, and significant events. Essential for tracking quarterly performance trends.
Current Report
Event-driven filing for material events that shareholders should know about, filed within 4 business days. Includes acquisitions, executive changes, bankruptcy, earnings releases, and other significant developments. Critical for staying informed about breaking news.
Proxy Statement
Definitive proxy statement sent to shareholders before annual meetings. Contains executive compensation details, board member information, voting matters, and corporate governance policies. Key for understanding management incentives and board composition.
Registration Statement
Initial registration for securities offerings, including IPOs. Provides detailed company history, business model, financial statements, risk factors, and use of proceeds. Essential for evaluating new investment opportunities and understanding company fundamentals.
Foreign Annual Report
Annual report for foreign private issuers, equivalent to Form 10-K for non-U.S. companies. Filed within 4-6 months of fiscal year-end. Contains audited financials, business description, and regulatory disclosures adapted for international companies.
Why SEC Filings Matter
- Regulatory Accuracy: Filings are subject to SEC review and legal penalties for misstatements, ensuring high data quality
- Management Insights: MD&A sections reveal management's perspective on trends, challenges, and future outlook
- Risk Assessment: Detailed risk factor disclosures help investors understand potential threats to business operations
- Competitive Analysis: Business descriptions and segment data enable comparison with industry peers
- Historical Context: Years of filings provide trend analysis and context for current performance
Research Paths
Snapshot
Start with context, operating signals, and key market metrics.
Value Model
Stress test fair value across bear, base, and bull assumptions.
Statements
Validate revenue quality, margins, and balance sheet durability.
Earnings Call
Read management commentary and compare it with reported outcomes.
Dividends
Check payout sustainability and long-term distribution behavior.
Analyst Expectations
Review consensus spread and where estimate risk is concentrated.