Pinnacle West Files Reg FD Handouts for September 2026 Investor Meetings

What Happened

• Pinnacle West Capital Corporation filed a Form 8-K on September 4, 2026, reporting a Regulation FD disclosure. The company said it will participate in meetings with securities analysts and investors in September 2026 and will use handouts during those meetings. Copies of the handouts were attached as Exhibit 99.1 to the filing.

Key Details

• Filing date: September 4, 2026 (Form 8-K).
• Event timing: Meetings with analysts and investors in September 2026.
• Materials: Handouts to be used at the meetings are attached as Exhibit 99.1.
• Interactive data: The filing includes an Inline XBRL cover page (Exhibit 104).

Why It Matters

• This is a Reg FD disclosure—Pinnacle West is making presentation materials available to ensure consistent public access to information shared with analysts and investors. Investors can review the attached handouts to see the company’s messaging and any data or outlook presented at those meetings. The filing itself does not report earnings, executive changes, or a transaction; it simply documents the public release of meeting materials.