PINNACLE WEST CAPITAL CORP 8-K

What Happened
Pinnacle West Capital Corporation filed a Form 8-K on June 8, 2026, announcing it will participate in meetings with securities analysts and investors in June 2026 and will use handouts during those meetings. The filing is made as a Regulation FD disclosure and attaches the handouts as Exhibit 99.1 (also listing Arizona Public Service Company as a registrant for the materials).

Key Details

• Filing date: June 8, 2026 (Form 8-K).
• Event: Meetings with securities analysts and investors scheduled for June 2026.
• Materials: Presentation handouts attached as Exhibit 99.1; Inline XBRL cover page file included (Exhibit 104).
• Item reported: 7.01 (Regulation FD Disclosure); no earnings, executive changes, or other material financial results were announced in this filing.

Why It Matters
This is a routine disclosure to ensure all investors have equal access to information provided to analysts and investors (Regulation FD compliance). While the 8-K itself does not report earnings or leadership changes, investors should review the attached handouts (Exhibit 99.1) for any operational or strategic details, slides, or forward-looking commentary presented at the meetings.