PINNACLE WEST CAPITAL CORP 8-K Filing

Ticker: PNW · Form: 8-K · Filed: 2025-11-07T00:00:00.000Z

Sentiment: neutral

Filing Stats: 568 words · 2 min read · ~2 pages · Grade level 13.7 · Accepted 2025-11-07 16:52:20

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 November 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 Nov ember 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: November 7, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer ARIZONA PUBLIC SERVICE COMPANY (Registrant) Dated: November 7, 2025 By: /s/ Andrew Cooper Andrew Cooper Senior Vice President and Chief Financial Officer

View on Read The Filing