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

Signature
/s/ Melissa Sallee, Attorney-in-Fact
Issuer symbol
PNW
Transactions as of
20 Feb 2026
Net transactions value
-$72,378
Form type
4
Filing time
24 Feb 2026, 18:10:45 UTC
Previous filing
19 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Blankenship Elizabeth A VP, Controller and CAO 400 N. 5TH STREET, PHOENIX /s/ Melissa Sallee, Attorney-in-Fact 24 Feb 2026 0001780676

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PNW Common Stock Options Exercise +490 +5.7% 9,111 20 Feb 2026 Direct F1
transaction PNW Common Stock Disposed to Issuer $7,966 -81 -0.89% $98.34 9,030 20 Feb 2026 Direct F2
transaction PNW Common Stock Tax liability $12,981 -132 -1.5% $98.34 8,898 20 Feb 2026 Direct F3
transaction PNW Common Stock Options Exercise +476 +5.3% 9,374 20 Feb 2026 Direct F1
transaction PNW Common Stock Disposed to Issuer $5,310 -54 -0.58% $98.34 9,320 20 Feb 2026 Direct F2
transaction PNW Common Stock Tax liability $13,374 -136 -1.5% $98.34 9,184 20 Feb 2026 Direct F3
transaction PNW Common Stock Options Exercise +589 +6.4% 9,773 20 Feb 2026 Direct F1
transaction PNW Common Stock Disposed to Issuer $4,524 -46 -0.47% $98.34 9,727 20 Feb 2026 Direct F2
transaction PNW Common Stock Tax liability $15,538 -158 -1.6% $98.34 9,569 20 Feb 2026 Direct F3
transaction PNW Common Stock Options Exercise +434 +4.5% 10,003 20 Feb 2026 Direct F1
transaction PNW Common Stock Disposed to Issuer $1,573 -16 -0.16% $98.34 9,987 20 Feb 2026 Direct F2
transaction PNW Common Stock Tax liability $11,112 -113 -1.1% $98.34 9,874 20 Feb 2026 Direct F3
holding PNW Common Stock 54 20 Feb 2026 By 401(k)

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 Units Options Exercise +490 0 20 Feb 2026 Common Stock 490 Direct F1, F4, F5
transaction PNW Restricted Stock Units Options Exercise +476 +7933% 482 20 Feb 2026 Common Stock 476 Direct F1, F6, F7, F8
transaction PNW Restricted Stock Units Options Exercise +589 +100% 1,177 20 Feb 2026 Common Stock 589 Direct F1, F9, F10, F11
transaction PNW Restricted Stock Units Options Exercise +434 +50% 1,305 20 Feb 2026 Common Stock 434 Direct F1, F12, F13, F14
* 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 81 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 number of derivative securities in Column 5 includes 54 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.
F7 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.
F8 Includes 60 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.
F9 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.
F10 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.
F11 Includes 91 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.
F12 The number of derivative securities in Column 5 includes 16 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.
F13 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.
F14 Includes 51 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.