Jeffrey B. Guldner
Chairman, President & CEO at Pinnacle West Capital Corporation
Sits on 3 boards. Last updated September 28, 2026
Time on boards
- Boards served
- 3
- Current seats
- 3
- Board service
- 7 years
- Director since
- 2023
7 years of board service in total across 3 boards, counting each seat separately. Longest: Pinnacle West Capital Corporation, 3 years.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
Duke Energy Corporation (Holding Company) May 7, 202699.0%
-
Pinnacle West Capital Corporation May 22, 202495.9%
-
Pinnacle West Capital Corporation May 19, 202395.8%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 19, 2026 | Nextpower Inc. | Grant or award | +2,742 | — | — |
| Aug 19, 2025 | Nextpower Inc. | Grant or award | +3,692 | — | — |
| Mar 18, 2025 | Pinnacle West Capital Corporation | Grant or award | +94,008 | — | — |
| Mar 18, 2025 | Pinnacle West Capital Corporation | Sold back to the company | −11,859 | $93.38 | $1,107,393 |
| Mar 18, 2025 | Pinnacle West Capital Corporation | Shares withheld for tax | −35,202 | $93.38 | $3,287,163 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Option exercise | +3,838 | — | — |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Shares withheld for tax | −1,555 | $90.77 | $141,147 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Option exercise | +5,401 | — | — |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Sold back to the company | −682 | $90.77 | $61,905 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Shares withheld for tax | −1,912 | $90.77 | $173,552 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Option exercise | +5,396 | — | — |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Sold back to the company | −454 | $90.77 | $41,210 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Shares withheld for tax | −2,118 | $90.77 | $192,251 |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Option exercise | +6,760 | — | — |
| Feb 20, 2025 | Pinnacle West Capital Corporation | Sold back to the company | −280 | $90.77 | $25,416 |
Questions about Jeffrey B. Guldner
What boards is Jeffrey B. Guldner on?
Jeffrey B. Guldner sits on the boards of Duke Energy Corporation (Holding Company), Nextpower Inc. and Pinnacle West Capital Corporation.
What company is Jeffrey B. Guldner the CEO of?
Jeffrey B. Guldner is Chairman, President & CEO of Pinnacle West Capital Corporation.
How long has Jeffrey B. Guldner served on boards?
Our records show at least 7 years of board service across 3 boards, the earliest from 2023.
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