---
schema_version: "secwatch.filing_event.v1"
accession: "0000764622-25-000078"
form_type: "8-K"
ticker: "PNW"
cik: "0000764622"
company_name: "PINNACLE WEST CAPITAL CORP"
filed_at: "2025-09-02T23:59:59+00:00"
generated_at: "2026-05-17T09:05:30.451932+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Pinnacle West extends settlement date on forward sale agreements with Wells Fargo to Dec 31, 2026

## Summary
- Amendment dated August 28, 2025 modifies two forward sale agreements dated February 28 and 29, 2024.
- Maturity Date changed from September 4, 2025 to December 31, 2026.
- All other terms and representations under the original confirmations remain unchanged and in full force.
- Amendment signed by Treasurer Chris Bauer on behalf of Pinnacle West Capital Corporation.

## SEC filing metadata
- accession: 0000764622-25-000078
- form_type: 8-K
- ticker: PNW
- cik: 0000764622
- company_name: PINNACLE WEST CAPITAL CORP
- filed_at: 2025-09-02T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/764622/000076462225000078/0000764622-25-000078-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/764622/000076462225000078/pnw-20250828.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000764622-25-000078
- JSON: https://secwatch.observer/filing/0000764622-25-000078.json
- Plain text: https://secwatch.observer/filing/0000764622-25-000078.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.