Pinnacle West (NYSE: PNW) shares Sept. 2025 analyst meeting handouts

Q: Which companies are covered in this Pinnacle West (PNW) 8-K?

The filing is a combined report for Pinnacle West Capital Corporation and its subsidiary Arizona Public Service Company , with each registrant responsible only for the information relating to itself and, where required, its subsidiaries.

Q: What is Exhibit 99.1 in the Pinnacle West (PNW) 8-K?

Exhibit 99.1 contains Pinnacle West handouts that will be used at meetings with securities analysts and investors in September 2025.

Q: Under which item is this Pinnacle West (PNW) information provided?

The information is provided under Item 7.01, Regulation FD Disclosure , which is used for public communications to ensure fair disclosure to investors.

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

Pinnacle West Capital Corporation and its subsidiary Arizona Public Service Company filed a current report describing upcoming investor outreach. The companies state that Pinnacle West will participate in meetings with securities analysts and investors in September 2025 and will use prepared handouts in those sessions.

The report notes that copies of these Pinnacle West handouts are included as Exhibit 99.1, and that the filing is made under a Regulation FD disclosure item. Both Pinnacle West and Arizona Public Service Company sign the report separately, each on its own behalf.

8-K Event Classification

2 items: 7.01, 9.01

2 items

Item 7.01 Regulation FD Disclosure Disclosure

Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

09/02/2025 - 04:04 PM

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934


			Date of report (Date of earliest event reported):			September 2, 2025


Commission File Number	Exact Name of Registrant as Specified in Charter; State or Other Jurisdiction of Incorporation; Address of Principal Executive Officers, and Zip Code; and Registrant's telephone Number, Including Area Code)			IRS Employer Identification No.
1-8962	PINNACLE WEST CAPITAL CORPORATION			86-0512431
	(an Arizona corporation)
	400 North Fifth Street, P.O. Box 53999
	Phoenix	Arizona	85072-3999
	(602)	250-1000
1-4473	ARIZONA PUBLIC SERVICE COMPANY			86-0011170
	(an Arizona corporation)
	400 North Fifth Street, P.O. Box 53999
	Phoenix	Arizona	85072-3999
	(602)	250-1000
	Not Applicable
	(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, no par value	PNW	New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).


Emerging growth company			☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

This combined Form 8-K is separately filed or furnished by Pinnacle West Capital Corporation and Arizona Public Service Company. Each registrant is filing or furnishing on its own behalf all of the information contained in this Form 8-K that relates to such registrant and, where required, its subsidiaries. Except as stated in the preceding sentence, neither registrant is filing or furnishing any information that does not relate to such registrant, and therefore makes no representation as to any such information.

Item 7.01 Regulation FD Disclosure.

Pinnacle West Capital Corporation (“Pinnacle West”) will be participating in various meetings with securities analysts and investors in September 2025 and will be utilizing handouts during those meetings. Copies of the handouts are attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits


Exhibit No.	Registrant(s)	Description

99.1	Pinnacle West Arizona Public Service Company	Pinnacle West handouts for use at meetings in September 2025

104	Pinnacle West Arizona Public Service Company	104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


						PINNACLE WEST CAPITAL CORPORATION
						(Registrant)


Dated: September 2, 2025						By: /s/ Andrew Cooper
						Andrew Cooper
						Senior Vice President and
						Chief Financial Officer

						ARIZONA PUBLIC SERVICE COMPANY
						(Registrant)


Dated: September 2, 2025						By: /s/ Andrew Cooper
						Andrew Cooper
						Senior Vice President and
						Chief Financial Officer

Source: View Original Filing on SEC EDGAR

FAQ

What does Pinnacle West (PNW) disclose in this 8-K filing?

Pinnacle West Capital Corporation discloses that it will participate in meetings with securities analysts and investors in September 2025 and will use prepared handouts during those meetings, which are attached as Exhibit 99.1.

Which companies are covered in this Pinnacle West (PNW) 8-K?

The filing is a combined report for Pinnacle West Capital Corporation and its subsidiary Arizona Public Service Company, with each registrant responsible only for the information relating to itself and, where required, its subsidiaries.

What is Exhibit 99.1 in the Pinnacle West (PNW) 8-K?

Exhibit 99.1 contains Pinnacle West handouts that will be used at meetings with securities analysts and investors in September 2025.

Under which item is this Pinnacle West (PNW) information provided?

The information is provided under Item 7.01, Regulation FD Disclosure, which is used for public communications to ensure fair disclosure to investors.

Who signed the Pinnacle West (PNW) 8-K report?

The report was signed for both Pinnacle West Capital Corporation and Arizona Public Service Company by Andrew Cooper, Senior Vice President and Chief Financial Officer of each registrant.

What other exhibit is listed in this Pinnacle West (PNW) 8-K?

In addition to Exhibit 99.1, the filing lists Exhibit 104, described as the Cover Page Interactive Data File embedded within the Inline XBRL document.