Pinnacle West Capital Corp. Files 8-K

Arizona Public Service Co 8-K Filing Summary
FieldDetail
CompanyArizona Public Service Co
Form Type8-K
Filed DateSep 2, 2025
Risk Levellow
Pages2
Reading Time2 min
Sentimentneutral

Sentiment: neutral

Topics: 8-K, disclosure, regulatory

Related Tickers: PNW

TL;DR

PNW filed an 8-K on 9/2/25, mostly routine stuff, check exhibits for details.

AI Summary

Pinnacle West Capital Corp. (PNW) filed an 8-K on September 2, 2025, primarily for Regulation FD Disclosure and Financial Statements/Exhibits. The filing lists Arizona Public Service Co. as a subsidiary, with both entities headquartered in Phoenix, AZ. No specific financial figures or new material events were detailed in the provided excerpt.

Why It Matters

This filing indicates routine corporate reporting for Pinnacle West Capital Corp. and its subsidiary Arizona Public Service Co., providing transparency to investors about their regulatory and financial disclosures.

Risk Assessment

Risk Level: low — The filing appears to be a standard, routine disclosure without any immediate negative or positive financial implications mentioned.

Key Players & Entities

  • PINNACLE WEST CAPITAL CORP (company) — Filer
  • ARIZONA PUBLIC SERVICE CO (company) — Subsidiary Filer
  • PHOENIX (location) — Headquarters City
  • AZ (location) — State of Incorporation/Headquarters
  • 0000764622-25-000079 (filing_id) — Accession Number

FAQ

What specific information is being disclosed under Regulation FD?

The provided excerpt does not detail the specific information disclosed under Regulation FD, only that it is an item of information for the filing.

Are there any new financial statements or exhibits attached to this 8-K?

The filing lists 'Financial Statements and Exhibits' as an item of information, but the content of these exhibits is not detailed in the provided text.

When was this 8-K filing submitted?

The filing was submitted on September 2, 2025.

What is the primary business of Arizona Public Service Co.?

Arizona Public Service Co. is in the business of 'ELECTRIC & OTHER SERVICES COMBINED' (SIC code 4931).

Has Pinnacle West Capital Corp. changed its name or structure recently?

The filing notes a former company name 'AZP GROUP INC' with a date of name change of 19870506, indicating a past corporate name change.

Filing Stats: 567 words · 2 min read · ~2 pages · Grade level 13.7 · Accepted 2025-09-02 16:04:31

Filing Documents

01 Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure. Pinnacle West Capital Corporation ("Pinnacle West") will be participating in various meetings with securities analysts and investors in September 2025 and will be utilizing handouts during those meetings. Copies of the handouts are attached hereto as Exhibit 99.1.

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits Exhibit No. Registrant(s) Description 99.1 Pinnacle West Arizona Public Service Company Pinnacle West handouts for use at meetings in September 2025 104 Pinnacle West Arizona Public Service Company 104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PINNACLE WEST CAPITAL CORPORATION (Registrant) Dated: September 2, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer ARIZONA PUBLIC SERVICE COMPANY (Registrant) Dated: September 2, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer

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