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NYSE: PNW PINNACLE WEST CAPITAL CORP 8-K

Pinnacle West files routine investor meeting materials under Regulation FD

Filed May 6, 2026 · Period ending May 6, 2026 · ~1 min read

1 key change 2 sections

Key Changes

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    Pinnacle West disclosed presentation handouts for May 2026 investor meetings under Regulation FD fair disclosure requirements. This is routine compliance with no material business updates in the 8-K itself.

Summary

Pinnacle West filed an 8-K to disclose presentation materials it will use at investor and analyst meetings during May 2026. This is a procedural compliance filing under Regulation FD, which requires companies to share with all investors any materials presented in private meetings. The filing itself contains no new business developments, financial results, or strategic announcements.

For retail investors, this is purely administrative. The actual content of interest would be in the attached handouts (Exhibit 99.1), which may contain updated financial guidance, operational metrics, or strategic commentary. Investors should review those materials directly if interested in the company's current positioning. Watch for any subsequent 8-Ks or press releases following these May meetings, as management sometimes uses investor conferences to announce material updates or provide revised guidance that triggers separate disclosure obligations.

Section-by-Section Diff

Event · Item 7.01 — Regulation FD Disclosure

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Item 7.01 — Regulation FD Disclosure filed; see Key Changes for terms.

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Added in current filing · verify on EDGAR →

Pinnacle West Capital Corporation (“Pinnacle West”) will be participating in various meetings with securities analysts and investors in May 2026 and will be utilizing handouts during those meetings. Copies of the handouts are attached hereto as Exhibit 99.1.

The company is disclosing that it will participate in meetings with analysts and investors in May 2026 and is providing copies of presentation handouts as an exhibit. This is a routine Regulation FD disclosure to ensure all investors have equal access to materials being shared in private meetings.

Event · Item 9.01 — Financial Statements and Exhibits

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Item 9.01 — Financial Statements and Exhibits filed; see Key Changes for terms.

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Exhibit No.Registrant(s)Description 99.1Pinnacle West Arizona Public Service Company Pinnacle West handouts for use at meetings in May 2026

The company filed handouts that will be used at investor meetings during May 2026. This is a routine procedural filing to disclose presentation materials, with no specific business event or financial information disclosed in the 8-K itself.

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Figures/quotes linked to EDGAR · Narrative written by AI · Jun 8, 2026 · How we verify