PN

PNW · CIK 0000764622

PINNACLE WEST CAPITAL CORP (PNW) SEC Filings

Browse 2554 SEC filings for PINNACLE WEST CAPITAL CORP, covering Jan 24, 1994 through Jun 29, 2026, organized by filing purpose with direct links to the original EDGAR documents.

NYSEElectric ServicesFiscal year end: 12-31View company on SEC.gov

Indexed filings

2,554

Filed in the last 12 months

80

History covered

19942026

Latest filing

8-K

Jun 29, 2026

Latest important filings

Jump directly to the most recent annual, quarterly, and current reports.

Latest annual report

10-K

Annual report · Feb 25, 2026

Open original filing

Latest quarterly report

10-Q

Quarterly report · May 4, 2026

Open original filing

Latest company update

8-K

Management or director change · Jun 29, 2026

Open original filing

Complete filing history

Search by form or description, filter by purpose and year, and open the original SEC document.

50 filings

All categories

Search by form or description, filter by purpose and year, and open the original SEC document.

50
FormDescriptionPeriod endedFiled
8-KManagement or director changeJun 23, 2026Jun 29, 2026
8-KRegulation FD disclosureJun 8, 2026Jun 8, 2026
8-KOther material eventJun 5, 2026Jun 5, 2026
424B5424B5 filingJun 5, 2026
8-KCurrent reportJun 1, 2026Jun 5, 2026
424B5424B5 filingJun 2, 2026
FWPFWP filingJun 1, 2026
424B5424B5 filingJun 1, 2026
POSASRPOSASR filingMay 29, 2026
8-KShareholder voteMay 14, 2026May 19, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 14, 2026May 18, 2026
4Change in insider ownershipMay 13, 2026May 14, 2026
SCHEDULE 13G/A
Amended
SCHEDULE 13G filingMay 14, 2026
SCHEDULE 13GSCHEDULE 13G filingMay 13, 2026
144Notice of proposed securities saleMay 12, 2026
8-KRegulation FD disclosureMay 6, 2026May 6, 2026
10-QQuarterly reportMar 31, 2026May 4, 2026

Page 1 of 2

Recent filing activity

Annual filing counts derived from this company's SEC history.

2026

63 filings

2025

87 filings

2024

95 filings

2023

83 filings

2022

82 filings

2021

77 filings

2020

92 filings

2019

96 filings

Sources and methodology

How this filing index is assembled and checked.

Filing metadata comes from SEC EDGAR submissions. Categories and plain-language labels are generated deterministically from SEC form and item codes; filing content is not summarized on this page.

Index updated: 7/15/2026

For research and education only. Always review the original SEC filing before making a decision.