PINNACLE WEST CAPITAL CORP

Q: Jun 30 2026

Q: Mar 31 2026

FY: Dec 31 2025

Q: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

FY: Dec 31 2024

Q: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

FY: Dec 31 2023

Q: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

FY: Dec 31 2022

Q: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

FY: Dec 31 2021

Q: Sep 30 2021

Regulation FD Disclosure

Regulation FD Disclosure

Financial Statements and Exhibits

Regulation FD Disclosure

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Regulation FD Disclosure

Financial Statements and Exhibits

Other Events

Submission of Matters to a Vote of Security Holders

Regulation FD Disclosure

Results of Operations and Financial Condition

Regulation FD Disclosure

Financial Statements and Exhibits

Regulation FD Disclosure

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

Regulation FD Disclosure

Results of Operations and Financial Condition

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Post Effective Amendment to S-8

Rule 506(b) provides a "safer harbor" for a private offering

Prospectus Supplement for Delayed or Continuous Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

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Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Primary Offering

Free Writing Prospectus

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Automatic Shelf Registration

06b

Automatic Shelf Registration

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BARROW HANLEY MEWHINNEY & STRAUSS LLC

Esparza Jose Luis Jr

Blankenship Elizabeth A

Blankenship Elizabeth A

Esparza Jose Luis Jr

TREVATHAN JAMES E JR

BRYAN GLYNIS

Svinicki Kristine L

Flanagan Susan T.

Sims Paula J

SPENCE WILLIAM H

EICHER CAROL S

Butler Ronald Jr

de la Melena Gonzalo A Jr

Tetlow Jacob

Capital Research Global Investors

BARROW HANLEY MEWHINNEY & STRAUSS LLC

Tetlow Jacob

VANGUARD CAPITAL MANAGEMENT LLC

VANGUARD GROUP INC

Post-effective amendment to an automatic shelf registration statement

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual Report Scanned (Paper)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Letter from the SEC

Correspondence with the SEC

Letter from the SEC

Post-effective amendment to an automatic shelf registration statement

Letter from the SEC

Annual reports of employee stock purchase savings and similar plans pursuant to Section 15(d)

Correspondence with the SEC