---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-24-029037"
form_type: "8-K"
ticker: "PNW"
cik: "0000764622"
company_name: "PINNACLE WEST CAPITAL CORP"
filed_at: "2024-02-29T23:59:59+00:00"
generated_at: "2026-06-05T07:35:06.012754+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Pinnacle West prices public offering of 9.77M shares at $66.50/share, net proceeds ~$630.5M

## Summary
- Offering of 9,774,436 shares at $66.50 per share; net proceeds ~$630.5M before expenses.
- Underwriters have option to purchase up to an additional 1,466,165 shares.
- Expected to close March 4, 2024; forward sale agreements settle by September 4, 2025.
- Proceeds to fund capital expenditures at Arizona Public Service and general corporate purposes.
- Joint book-runners: Barclays, Citigroup, Mizuho, Wells Fargo Securities.

## SEC filing metadata
- accession: 0001104659-24-029037
- form_type: 8-K
- ticker: PNW
- cik: 0000764622
- company_name: PINNACLE WEST CAPITAL CORP
- filed_at: 2024-02-29T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/764622/000110465924029037/0001104659-24-029037-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/764622/000110465924029037/tm2330082d5_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-24-029037
- JSON: https://secwatch.observer/filing/0001104659-24-029037.json
- Plain text: https://secwatch.observer/filing/0001104659-24-029037.txt

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