As of August 27, 2026, the three largest insider holders of PNW are Jeffrey B. Guldner (Chairman, President And Ceo, 137.33K shares), Theodore N Geisler (Chairman, Ceo And President, 50.00K shares), Adam C Heflin (Other, 39.47K shares).
| # | Insider | Position | Direct | Indirect | Total | Share of Insiders | Last Filed |
|---|---|---|---|---|---|---|---|
| 1 | Jeffrey B. Guldner | Chairman, President And Ceo | 137,330 | 0 | 137,330 | 30.4% | 20 Mar, 2025 |
| 2 | Theodore N Geisler | Chairman, Ceo And President | 0 | 50,003 | 50,003 | 11.1% | 20 Mar, 2026 |
| 3 | Adam C Heflin | Other | 39,471 | 0 | 39,471 | 8.7% | 20 Mar, 2026 |
| 4 | Bruce J Nordstrom | Director | 38,494 | 0 | 38,494 | 8.5% | 23 May, 2024 |
| 5 | Andrew D Cooper | Svp Cfo | 29,053 | 0 | 29,053 | 6.4% | 20 Mar, 2026 |
| 6 | Maria L Lacal | Other | 24,578 | 0 | 24,578 | 5.4% | 23 Feb, 2022 |
| 7 | David Wagener | Director | 19,327 | 0 | 19,327 | 4.3% | 20 May, 2022 |
| 8 | Robert Edgar Smith | Evp, Clo, And Cdo | 18,328 | 0 | 18,328 | 4.1% | 20 Mar, 2025 |
| 9 | Kathryn L Munro | Director | 16,180 | 0 | 16,180 | 3.6% | 13 Sep, 2022 |
| 10 | Paula J Sims | Director | 11,032 | 0 | 11,032 | 2.4% | 18 May, 2026 |
| 11 | Elizabeth A Blankenship | Vp, Controller And Cao | 10,886 | 0 | 10,886 | 2.4% | 11 Aug, 2026 |
| 12 | Richard P Fox | Director | 10,626 | 0 | 10,626 | 2.3% | 22 May, 2025 |
| 13 | Donna M Easterly | Other | 9,694 | 0 | 9,694 | 2.1% | 19 Oct, 2023 |
| 14 | Jacob Tetlow | Other | 6,634 | 0 | 6,634 | 1.5% | 14 May, 2026 |
| 15 | William H Spence | Director | 6,291 | 0 | 6,291 | 1.4% | 18 May, 2026 |
| 16 | Shirley A Baum | Svp And Gc | 5,846 | 0 | 5,846 | 1.3% | 20 Mar, 2026 |
| 17 | Paul J Mountain | Vp, Finance And Planning | 0 | 5,444 | 5,444 | 1.2% | 06 May, 2025 |
| 18 | Jose Luis Jr Esparza | Other | 4,910 | 0 | 4,910 | 1.1% | 11 Aug, 2026 |
| 19 | James E Jr Trevathan | Director | 2,660 | 0 | 2,660 | 0.6% | 22 May, 2025 |
| 20 | Kristine L Svinicki | Director | 2,634 | 0 | 2,634 | 0.6% | 19 May, 2023 |
| 21 | La Melena Gonzalo A Jr De | Director | 2,524 | 0 | 2,524 | 0.6% | 20 May, 2022 |
| 22 | Christopher R. Bauer | Vp And Treasurer | 494 | 0 | 494 | 0.1% | 24 Feb, 2026 |
Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.
| Date | Insider | Position | Transaction | Shares | Price | Value | Shares Held After | Ownership |
|---|---|---|---|---|---|---|---|---|
| 07 Aug, 2026 | Jose Luis Jr Esparza | Other | Disposed S | 1,800 | $102.01 | $183.62K | 4,910 | Direct |
| 10 Aug, 2026 | Elizabeth A Blankenship | Vp, Controller And Cao | Disposed S | 980 | $99.17 | $97.18K | 10,886 | Direct |
| 14 May, 2026 | Susan T. Flanagan | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | Carol S Eicher | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | James E Jr Trevathan | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | Ronald Jr Butler | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | William H Spence | Director | Acquired A | 1,665 | $99.77 | $166.12K | 6,291 | Direct |
| 14 May, 2026 | Kristine L Svinicki | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | La Melena Gonzalo A Jr De | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 14 May, 2026 | Paula J Sims | Director | Acquired A | 1,665 | $99.77 | $166.12K | 11,032 | Direct |
| 14 May, 2026 | Glynis Bryan | Director | Acquired A | 1,665 | — | — | 1,665 | Direct |
| 13 May, 2026 | Jacob Tetlow | Other | Disposed S | 6,526 | $99.00 | $646.07K | 6,675 | Direct |
| 13 May, 2026 | Jacob Tetlow | Other | Disposed S | 41 | $99.01 | $4.06K | 6,634 | Direct |
| 18 Mar, 2026 | Jacob Tetlow | Other | Acquired A | 20,879 | $0.00 | $0 | 23,571 | Direct |
| 18 Mar, 2026 | Shirley A Baum | Svp And Gc | Acquired A | 2,781 | $0.00 | $0 | 7,225 | Direct |
| 18 Mar, 2026 | Theodore N Geisler | Chairman, Ceo And President | Acquired A | 24,287 | $0.00 | $0 | 24,287 | Direct |
| 18 Mar, 2026 | Andrew D Cooper | Svp Cfo | Acquired A | 18,177 | $0.00 | $0 | 37,917 | Direct |
| 18 Mar, 2026 | Elizabeth A Blankenship | Vp, Controller And Cao | Acquired A | 3,098 | $0.00 | $0 | 12,972 | Direct |
| 18 Mar, 2026 | Jose Luis Jr Esparza | Other | Acquired A | 3,712 | $0.00 | $0 | 8,493 | Direct |
| 18 Mar, 2026 | Adam C Heflin | Other | Acquired A | 22,157 | $0.00 | $0 | 50,477 | Direct |