Pinnacle West Capital Corporation and Arizona Public Service Company File Combined Form 8-K with the US Securities and Exchange Commission

Strategic Insights -

Pinnacle West Capital Corporation and Arizona Public Service Company, two Arizona-based energy companies, have filed a combined Form 8-K with the US Securities and Exchange Commission on October 14, 2025. The filing reports on various meetings and presentations scheduled for October 2025, during which the companies will provide handouts to securities analysts and investors. These handouts, attached as Exhibit 99.1, are considered material non-public information under Regulation FD.

Key Takeaways:

  • The combined Form 8-K filing is a result of the merger between Pinnacle West Capital Corporation and Arizona Public Service Company.
  • The filing includes a disclosure of upcoming meetings with securities analysts and investors in October 2025.
  • Pinnacle West will be utilizing handouts during these meetings, which are attached as Exhibit 99.1.
  • The handouts are considered material non-public information under Regulation FD.
  • The filing also includes Exhibit 104, an Interactive Data File (embedded within the Inline XBRL document) for Pinnacle West and Arizona Public Service Company.
  • The reports are signed by Andrew Cooper, Senior Vice President and Chief Financial Officer, for both Pinnacle West and Arizona Public Service Company.

Statistics:

  • Date of filing: October 14, 2025
  • Number of exhibits attached: 4 (Exhibit 99.1, Exhibit 104, and two blank exhibits)
  • Type of information disclosed: Upcoming meetings and presentations with securities analysts and investors
  • Industry: Energy

Sources:

  • UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 8-K CURRENT REPORT
  • Pinnacle West Capital Corporation and Arizona Public Service Company, Form 8-K, Item 7.01 Regulation FD Disclosure