| SC 13G/A | 2020-02-04 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 13,384,199 | 11.9% | EDGAR |
| SC 13G | 2019-02-14 | STATE STREET CORP | PINNACLE WEST CAPITAL CORP | - | 5.5% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 12,559,451 | 11.2% | EDGAR |
| SC 13G/A | 2019-01-31 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 13,836,804 | 12.3% | EDGAR |
| SC 13G | 2018-02-14 | STATE STREET CORP | PINNACLE WEST CAPITAL CORP | - | 5.2% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 12,139,068 | 10.9% | EDGAR |
| SC 13G/A | 2018-01-19 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 11,354,305 | 10.2% | EDGAR |
| SC 13G/A | 2017-10-10 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 11,233,945 | 10.1% | EDGAR |
| SC 13G/A | 2017-03-10 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 11,134,233 | 10.0% | EDGAR |
| SC 13G/A | 2017-02-13 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 10,878,937 | 9.8% | EDGAR |
| SC 13G | 2017-02-09 | STATE STREET CORP | PINNACLE WEST CAPITAL CORP | - | 5.5% | EDGAR |
| SC 13G/A | 2017-01-25 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 10,917,427 | 9.8% | EDGAR |
| SC 13G | 2016-02-16 | STATE STREET CORP | PINNACLE WEST CAPITAL CORP | - | 5.2% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 9,550,910 | 8.6% | EDGAR |
| SC 13G/A | 2016-02-09 | FRANKLIN RESOURCES INC | PINNACLE WEST CAPITAL CORP | 4,942,930 | 4.5% | EDGAR |
| SC 13G/A | 2016-01-27 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 9,967,430 | 9.0% | EDGAR |
| SC 13G | 2015-02-12 | STATE STREET CORP | PINNACLE WEST CAPITAL CORP | - | 5.7% | EDGAR |
| SC 13G/A | 2015-02-11 | VANGUARD GROUP INC | PINNACLE WEST CAPITAL CORP | 8,824,780 | 8.0% | EDGAR |
| SC 13G/A | 2015-02-05 | FRANKLIN RESOURCES INC | PINNACLE WEST CAPITAL CORP | 6,358,730 | 5.8% | EDGAR |
| SC 13G/A | 2015-01-15 | BlackRock Inc. | PINNACLE WEST CAPITAL CORP | 10,396,427 | 9.4% | EDGAR |