PINNACLE WEST CAPITAL CORP 8-K

What Happened Pinnacle West Capital Corporation filed an 8‑K on May 6, 2026 (Item 7.01) saying it will participate in meetings with securities analysts and investors in May 2026 and will use handouts during those meetings. Copies of the handouts to be used are attached to the filing as Exhibit 99.1. The filing also lists Exhibit 104 (interactive XBRL cover page) under Item 9.01.

Key Details

• Filing date: May 6, 2026.
• Event timing: meetings with analysts and investors in May 2026.
• Materials: handouts for those meetings are attached as Exhibit 99.1 (also notes Arizona Public Service Company as a registrant).
• Disclosure type: Item 7.01 — Regulation FD disclosure; Item 9.01 lists exhibits including the Inline XBRL cover page.

Why It Matters This 8‑K is a Regulation FD disclosure that makes the materials Pinnacle West plans to present to analysts and investors publicly available. Investors can review Exhibit 99.1 to see the information the company will present at those meetings. This filing does not report earnings, revenue, executive changes, mergers, or financial results — it only provides the presentation materials and timing for investor outreach.