COOPER ANDREW D (VP & Treasurer) exercised options at PINNACLE WEST CAPITAL CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 5 exercises

COOPER ANDREW D

Filed: 2/24/2026ACC: 0001628280-26-011304

InsiderCOOPER ANDREW DCIK 1816721

→

IssuerPINNACLE WEST CAPITAL CORPCIK 764622

Officer· VP & Treasurer

Since Jun 2020

+11.86K

Net shares

Net buyer

$361.7K

Total sold

Open market trades

0B · 0S

Total transactions

15.54K acquired · 3.68K disposed

Non-Derivative Transactions15

Common Stock

Direct

M · Option Exercise

+490.00

Price / share

—

Trade value

—

% of position

3.2%

2/20/2026

15.51K→16K

Common Stock

Direct

D · Disposition

−81.00

Price / share

$98.34

Trade value

$7.97K

% of position

0.5%

2/20/2026

16K→15.92K

Common Stock

Direct

F · Tax Withholding

−172.00

Price / share

$98.34

Trade value

$16.91K

% of position

1.1%

2/20/2026

15.92K→15.74K

Common Stock

Direct

M · Option Exercise

+998.00

Price / share

—

Trade value

—

% of position

6.3%

2/20/2026

15.74K→16.74K

Common Stock

Direct

D · Disposition

−150.00

Price / share

$98.34

Trade value

$14.75K

% of position

0.9%

2/20/2026

16.74K→16.59K

Common Stock

Direct

F · Tax Withholding

−357.00

Price / share

$98.34

Trade value

$35.11K

% of position

2.2%

2/20/2026

16.59K→16.23K

Common Stock

Direct

M · Option Exercise

+1.88K

Price / share

—

Trade value

—

% of position

11.6%

2/20/2026

16.23K→18.11K

Common Stock

Direct

D · Disposition

−227.00

Price / share

$98.34

Trade value

$22.32K

% of position

1.3%

2/20/2026

18.11K→17.89K

Common Stock

Direct

F · Tax Withholding

−692.00

Price / share

$98.34

Trade value

$68.05K

% of position

3.9%

2/20/2026

17.89K→17.20K

Common Stock

Direct

M · Option Exercise

+2.44K

Price / share

—

Trade value

—

% of position

14.2%

2/20/2026

17.20K→19.63K

Common Stock

Direct

D · Disposition

−191.00

Price / share

$98.34

Trade value

$18.78K

% of position

1.0%

2/20/2026

19.63K→19.44K

Common Stock

Direct

F · Tax Withholding

−940.00

Price / share

$98.34

Trade value

$92.44K

% of position

4.8%

2/20/2026

19.44K→18.50K

Common Stock

Direct

M · Option Exercise

+1.97K

Price / share

—

Trade value

—

% of position

10.6%

2/20/2026

18.50K→20.47K

Common Stock

Direct

D · Disposition

−76.00

Price / share

$98.34

Trade value

$7.47K

% of position

0.4%

2/20/2026

20.47K→20.39K

Common Stock

Direct

F · Tax Withholding

−792.00

Price / share

$98.34

Trade value

$77.89K

% of position

3.9%

2/20/2026

20.39K→19.60K

Total

Net shares

+4.09K

Net value

-$361.69K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/20/2026	M · Option Exercise	+490.00	—	—	3.2%	15.51K	16K
Common Stock Direct	2/20/2026	D · Disposition	−81.00	$98.34	$7.97K	0.5%	16K	15.92K
Common Stock Direct	2/20/2026	F · Tax Withholding	−172.00	$98.34	$16.91K	1.1%	15.92K	15.74K
Common Stock Direct	2/20/2026	M · Option Exercise	+998.00	—	—	6.3%	15.74K	16.74K
Common Stock Direct	2/20/2026	D · Disposition	−150.00	$98.34	$14.75K	0.9%	16.74K	16.59K
Common Stock Direct	2/20/2026	F · Tax Withholding	−357.00	$98.34	$35.11K	2.2%	16.59K	16.23K
Common Stock Direct	2/20/2026	M · Option Exercise	+1.88K	—	—	11.6%	16.23K	18.11K
Common Stock Direct	2/20/2026	D · Disposition	−227.00	$98.34	$22.32K	1.3%	18.11K	17.89K
Common Stock Direct	2/20/2026	F · Tax Withholding	−692.00	$98.34	$68.05K	3.9%	17.89K	17.20K
Common Stock Direct	2/20/2026	M · Option Exercise	+2.44K	—	—	14.2%	17.20K	19.63K
Common Stock Direct	2/20/2026	D · Disposition	−191.00	$98.34	$18.78K	1.0%	19.63K	19.44K
Common Stock Direct	2/20/2026	F · Tax Withholding	−940.00	$98.34	$92.44K	4.8%	19.44K	18.50K
Common Stock Direct	2/20/2026	M · Option Exercise	+1.97K	—	—	10.6%	18.50K	20.47K
Common Stock Direct	2/20/2026	D · Disposition	−76.00	$98.34	$7.47K	0.4%	20.47K	20.39K
Common Stock Direct	2/20/2026	F · Tax Withholding	−792.00	$98.34	$77.89K	3.9%	20.39K	19.60K
Total			+4.09K		-$361.69K

Derivative Transactions5

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

490.00 shares

+490.00

Strike price

Held after

0.00

Exercisable

—

2/20/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

998.00 shares

+998.00

Strike price

Held after

0.00

Exercisable

—

2/20/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.88K shares

+1.88K

Strike price

Held after

1.87K

Exercisable

—

2/20/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.44K shares

+2.44K

Strike price

Held after

4.87K

Exercisable

—

2/20/2026

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.97K shares

+1.97K

Strike price

Held after

5.90K

Exercisable

—

2/20/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Units Direct	Common Stock490.00 shares	2/20/2026	M · Option Exercise	+490.00	—	0.00
Restricted Stock Units Direct	Common Stock998.00 shares	2/20/2026	M · Option Exercise	+998.00	—	0.00
Restricted Stock Units Direct	Common Stock1.88K shares	2/20/2026	M · Option Exercise	+1.88K	—	1.87K
Restricted Stock Units Direct	Common Stock2.44K shares	2/20/2026	M · Option Exercise	+2.44K	—	4.87K
Restricted Stock Units Direct	Common Stock1.97K shares	2/20/2026	M · Option Exercise	+1.97K	—	5.90K