Theodore N. Geisler - 18 Mar 2026 Form 4 Insider Report for PINNACLE WEST CAPITAL CORP (PNW)

Reporting relationship: Chairman, CEO and President, Director
Issuer ticker: PNW
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 20 Mar 2026, 10:43:41 UTC
Prior SEC filing: 24 Feb 2026
Source filing: View source filing
Reporting owner signature: /s/ Melissa Sallee, Attorney-in-Fact

Key filing fact

Theodore N. Geisler filed Form 4 for PINNACLE WEST CAPITAL CORP (PNW) on 20 Mar 2026.

Key facts

This page summarizes Theodore N. Geisler's Form 4 filing for PINNACLE WEST CAPITAL CORP (PNW).
5 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 20 Mar 2026, 10:43.

Change

Previous filing in this sequence was filed on 24 Feb 2026.
Current net transaction value: $0.

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 0001799703 Primary reporting owner

Geisler Theodore N

Relationship: Chairman, CEO and President, Director
Address: 400 N. 5TH STREET, PHOENIX
Signature: /s/ Melissa Sallee, Attorney-in-Fact
Signature date: 20 Mar 2026

Reported non-derivative transactions

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

PNW transaction

Common Stock

Award

Transaction value
Shares: +24,287
Change %
Price: $0.000000^*
Shares after: 24,287
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F1

PNW transaction

Common Stock

Disposed to Issuer

Transaction value
Shares: -2,897
Change %: -12%
Price: $100.92^*
Shares after: 21,390
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F2

PNW transaction

Common Stock

Tax liability

Transaction value
Shares: -8,954
Change %: -42%
Price: $100.92^*
Shares after: 12,436
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F3

PNW transaction

Common Stock

Gift

Transaction value
Shares: -12,436
Change %: -100%
Price
Shares after: 0
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F4

PNW transaction

Common Stock

Gift

Transaction value
Shares: +12,436
Change %: +33%
Price
Shares after: 50,003
Date: 18 Mar 2026
Ownership: by Trust
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Shares acquired upon the vesting of the performance shares granted in 2023 that were tied to the following: total shareholder return performance; earnings per share growth; clean megawatts installed metrics; and performance shares received in connection with dividend equivalent rights.

Footnote F2

Represents the cash settlement of performance shares received in connection with the settlement of dividend equivalent rights.

Footnote F3

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

Footnote F4

The reporting person gifted the shares received on March 18, 2026 to a revocable family trust.