8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 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): July 02, 2026

    

AVISTA CORPORATION

(Exact name of Registrant as Specified in Its Charter)


Washington	001-03701	91-0462470
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(IRS Employer Identification No.)

1411 East Mission Avenue
Spokane, Washington		99202-2600
(Address of Principal Executive Offices)		(Zip Code)

     Registrant’s Telephone Number, Including Area Code: 509 489-0500

    

(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	AVA	The 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 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On July 2, 2026, Jason R. Thackston, Senior Vice President of Growth, Energy Policy and External Relations of Avista Corporation (Avista Corp. or the Company), announced his retirement from the Company, effective January 1, 2027.

In January 2027 Mr. Thackston will be joining his alma mater Whitworth University, with which he has previously served in Board-level leadership positions, as its Vice President of Finance and Administration and Chief Financial Officer. His decision to accept this position and depart from Avista Corp. is not due to any disagreement between himself and management or the Board of Directors.

Mr. Thackston will focus on transition of his responsibilities over the next six months.

SIGNATURES

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


			Avista Corporation
			(Registrant)

Date:	July 2, 2026	By:	/s/ Gregory C. Hesler
			Gregory C. Hesler Senior Vice President, General Counsel, Corporate Secretary and Chief Ethics/Compliance Officer