Pinnacle West Capital offers up to $900M of common stock via at-the-market program; ~$270M remains

Filed June 5, 2026 · ~2 min read

Key Changes

• high

  Pinnacle West is offering up to $900 million of common stock through an at-the-market equity distribution agreement. Approximately $270 million of capacity remains available as of this prospectus supplement, meaning approximately $630 million has already been sold.

  The Offering verify on EDGAR →
• medium

  Shares will be sold at prevailing market prices through the ATM program. The last reported sale price on the NYSE on June 4, 2026 was $100.48 per share.

  The Offering verify on EDGAR →
• medium

  Proceeds will fund general corporate purposes including debt repayment, capital expenditures, working capital, acquisitions, and stock repurchases for Pinnacle West, and construction/resource programs for subsidiary Arizona Public Service.

  Use of Proceeds verify on EDGAR →