Adam C. Heflin - 20 Feb 2026 Form 4 Insider Report for PINNACLE WEST CAPITAL CORP (PNW)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
24 Feb 2026, 20:28:35 UTC
Prior SEC filing
19 Feb 2026
Next SEC filing
20 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Melissa Sallee, Attorney-in-Fact

Key filing fact

Adam C. Heflin filed Form 4 for PINNACLE WEST CAPITAL CORP (PNW) on 24 Feb 2026.

Key facts

  • This page summarizes Adam C. Heflin's Form 4 filing for PINNACLE WEST CAPITAL CORP (PNW).
  • 20 reported transactions and 5 derivative rows are listed below.
  • Accepted by SEC: 24 Feb 2026, 20:28.

Change

  • Previous filing in this sequence was filed on 19 Feb 2026.
  • Current net transaction value: -$334,946.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001331794 Primary reporting owner

Heflin Adam C

Relationship
EVP & CNO, APS
Address
400 N. 5TH STREET, PHOENIX
Signature
/s/ Melissa Sallee, Attorney-in-Fact
Signature date
24 Feb 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PNW transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,352
Change %
+6.1%
Price
Shares after
23,521
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
PNW transaction

Common Stock

Disposed to Issuer

Transaction value
$19,570
Shares
-199
Change %
-0.85%
Price
$98.34
Shares after
23,322
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2
PNW transaction

Common Stock

Tax liability

Transaction value
$31,665
Shares
-322
Change %
-1.4%
Price
$98.34
Shares after
23,000
Date
20 Feb 2026
Ownership
Direct
Footnotes
F3
PNW transaction

Common Stock

Options Exercise

Transaction value
Shares
+3,766
Change %
+16%
Price
Shares after
26,766
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
PNW transaction

Common Stock

Disposed to Issuer

Transaction value
$55,464
Shares
-564
Change %
-2.1%
Price
$98.34
Shares after
26,202
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2
PNW transaction

Common Stock

Tax liability

Transaction value
$87,719
Shares
-892
Change %
-3.4%
Price
$98.34
Shares after
25,310
Date
20 Feb 2026
Ownership
Direct
Footnotes
F3
PNW transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,492
Change %
+5.9%
Price
Shares after
26,802
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
PNW transaction

Common Stock

Disposed to Issuer

Transaction value
$17,308
Shares
-176
Change %
-0.66%
Price
$98.34
Shares after
26,626
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2
PNW transaction

Common Stock

Tax liability

Transaction value
$36,091
Shares
-367
Change %
-1.4%
Price
$98.34
Shares after
26,259
Date
20 Feb 2026
Ownership
Direct
Footnotes
F3
PNW transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,531
Change %
+5.8%
Price
Shares after
27,790
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
PNW transaction

Common Stock

Disposed to Issuer

Transaction value
$11,801
Shares
-120
Change %
-0.43%
Price
$98.34
Shares after
27,670
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2
PNW transaction

Common Stock

Tax liability

Transaction value
$38,648
Shares
-393
Change %
-1.4%
Price
$98.34
Shares after
27,277
Date
20 Feb 2026
Ownership
Direct
Footnotes
F3
PNW transaction

Common Stock

Options Exercise

Transaction value
Shares
+1,216
Change %
+4.5%
Price
Shares after
28,493
Date
20 Feb 2026
Ownership
Direct
Footnotes
F1
PNW transaction

Common Stock

Disposed to Issuer

Transaction value
$4,622
Shares
-47
Change %
-0.16%
Price
$98.34
Shares after
28,446
Date
20 Feb 2026
Ownership
Direct
Footnotes
F2
PNW transaction

Common Stock

Tax liability

Transaction value
$32,059
Shares
-326
Change %
-1.1%
Price
$98.34
Shares after
28,120
Date
20 Feb 2026
Ownership
Direct
Footnotes
F3
PNW holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
6
Date
20 Feb 2026
Ownership
by Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

PNW transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-1,352
Change %
-100%
Price
Shares after
0
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,352
Exercise price
Footnotes
F1, F4, F5
PNW transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-3,766
Change %
-100%
Price
Shares after
0
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,766
Exercise price
Footnotes
F1, F5, F6
PNW transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-1,492
Change %
-50%
Price
Shares after
1,496
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,492
Exercise price
Footnotes
F1, F7, F8, F9
PNW transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-1,531
Change %
-33%
Price
Shares after
3,061
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,531
Exercise price
Footnotes
F1, F10, F11, F12
PNW transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares
-1,216
Change %
-25%
Price
Shares after
3,649
Date
20 Feb 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,216
Exercise price
Footnotes
F1, F13, F14, F15
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 15 footnotes

Footnote 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.

Footnote F2

Represents the cash settlement of Restricted Stock Units received in connection with the settlement of dividend equivalent rights

Footnote F3

Shares retained by the Company for purpose of meeting tax withholding requirements. The recipient retained all other shares.

Footnote F4

The number of derivative securities in Column 5 includes 199 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.

Footnote F5

The Restricted Stock Units award was granted and was effective in June 2022, and vests in four equal, annual installments beginning on February 20, 2023.

Footnote F6

The number of derivative securities in Column 5 includes 564 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.

Footnote F7

The number of derivative securities in Column 5 includes 176 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.

Footnote 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.

Footnote F9

Includes 180 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.

Footnote F10

The number of derivative securities in Column 5 includes 120 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.

Footnote 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.

Footnote F12

Includes 239 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.

Footnote F13

The number of derivative securities in Column 5 includes 47 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.

Footnote 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.

Footnote F15

Includes 142 Restricted Stock Units received in connection with the settlement of dividend equivalent rights.

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