Shirley A. Baum - 20 Feb 2026 Form 4 Insider Report for PINNACLE WEST CAPITAL CORP (PNW)

Role
SVP and GC
Signature
/s/ Melissa Sallee, Attorney-in-Fact
Issuer symbol
PNW
Transactions as of
20 Feb 2026
Net transactions value
-$110,632
Form type
4
Filing time
24 Feb 2026, 18:09:13 UTC
Previous filing
19 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Baum Shirley A SVP and GC 400 N. 5TH STREET, PHOENIX /s/ Melissa Sallee, Attorney-in-Fact 24 Feb 2026 0002069496

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PNW Common Sock Options Exercise +169 +5.1% 3,480 20 Feb 2026 Direct F1
transaction PNW Common Sock Disposed to Issuer $3,147 -32 -0.92% $98.34 3,448 20 Feb 2026 Direct F2
transaction PNW Common Sock Tax liability $6,490 -66 -1.9% $98.34 3,382 20 Feb 2026 Direct F3
transaction PNW Common Sock Options Exercise +198 +5.9% 3,580 20 Feb 2026 Direct F1
transaction PNW Common Sock Disposed to Issuer $3,147 -32 -0.89% $98.34 3,548 20 Feb 2026 Direct F2
transaction PNW Common Sock Tax liability $7,867 -80 -2.3% $98.34 3,468 20 Feb 2026 Direct F3
transaction PNW Common Sock Options Exercise +433 +12% 3,901 20 Feb 2026 Direct F1
transaction PNW Common Sock Disposed to Issuer $5,212 -53 -1.4% $98.34 3,848 20 Feb 2026 Direct F2
transaction PNW Common Sock Tax liability $17,996 -183 -4.8% $98.34 3,665 20 Feb 2026 Direct F3
transaction PNW Common Sock Options Exercise +589 +16% 4,254 20 Feb 2026 Direct F1
transaction PNW Common Sock Disposed to Issuer $4,524 -46 -1.1% $98.34 4,208 20 Feb 2026 Direct F2
transaction PNW Common Sock Tax liability $23,700 -241 -5.7% $98.34 3,967 20 Feb 2026 Direct F3
transaction PNW Common Sock Options Exercise +869 +22% 4,836 20 Feb 2026 Direct F1
transaction PNW Common Sock Disposed to Issuer $3,344 -34 -0.7% $98.34 4,802 20 Feb 2026 Direct F2
transaction PNW Common Sock Tax liability $35,206 -358 -7.5% $98.34 4,444 20 Feb 2026 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PNW Restricted Stock Unit Options Exercise +169 0 20 Feb 2026 Common Stock 169 Direct F1, F4, F5
transaction PNW Restricted Stock Unit Options Exercise +198 0 20 Feb 2026 Common Stock 198 Direct F1, F4, F6
transaction PNW Restricted Stock Unit Options Exercise +433 430 20 Feb 2026 Common Stock 433 Direct F1, F7, F8, F9
transaction PNW Restricted Stock Unit Options Exercise +589 +100% 1,177 20 Feb 2026 Common Stock 589 Direct F1, F10, F11, F12
transaction PNW Restricted Stock Unit Options Exercise +869 +50% 2,605 20 Feb 2026 Common Stock 869 Direct F1, F13, F14, F15
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each Restricted Stock Unit represents a contingent right to receive the economic equivalent of one share of the Company's common stock. The Restricted Stock Units will be settled in 100% shares of common stock.
F2 Represents the cash settlement of Restricted Stock Units received in connection with the settlement of dividend equivalent rights.
F3 Shares retained by the Company for purpose of meeting tax withholding requirements. The recipient retained all other shares.
F4 The number of derivative securities in Column 5 includes 32 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock.
F5 The Restricted Stock Units award was granted and was effective in February 2022, and vests in four equal, annual installments beginning on February 20, 2023.
F6 The Restricted Stock Units award was granted and was effective in Mach 2022, and vests in four equal, annual installments beginning on February 20, 2023.
F7 The number of derivative securities in Column 5 includes 53 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock.
F8 The Restricted Stock Units award was granted and was effective in February 2023, and vests in four equal, annual installments beginning on February 20, 2024.
F9 Includes 50 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.
F10 The number of derivative securities in Column 5 includes 46 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock.
F11 The Restricted Stock Units award was granted and was effective in February 2024, and vests in four equal, annual installments beginning on February 20, 2025.
F12 Includes 91 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.
F13 The number of derivative securities in Column 5 includes 34 vested Restricted Stock Units received in connection with the settlement of dividend equivalent rights. Dividend equivalent rights accrue with respect to these Restricted Stock Units when and as cash dividends are paid on the Company's common stock.
F14 The Restricted Stock Units award was granted and was effective in February 2025, and vests in four equal, annual installments beginning on February 20, 2026.
F15 Includes 100 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.