Avista Corp (ticker: AVA) CEO logs share conversion and 2,983-share tax sale

Rhea-AI Filing Summary

Avista Corp President & CEO Heather L. Rosentrater reported routine equity activity involving common stock on January 6, 2026. She converted 2,293 "2023 Performance Shares (TSR)" into an equal number of Avista common shares after meeting performance conditions, leaving no remaining derivative balance from that award. To cover income taxes on multiple tranches of restricted shares that vested the same day, 2,983 common shares were disposed of at $38.95 per share, a transaction coded as tax withholding. After these moves, she directly holds 54,828 common shares and also has 695 common shares reported as indirectly owned through her spouse’s plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Rosentrater Heather Lynn

(Last) (First) (Middle)

1411 E. MISSION AVENUE

(Street)

SPOKANE WA 99202

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
AVISTA CORP [ AVA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
01/06/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/06/2026		F		2,983(1)	D	$38.95	54,828	D
Common Stock in Spouse's Plan								695	I	Shares Held by Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Conversion of 2023 Performance Shares (TSR)	(2)	01/06/2026		M			2,293	(2)	(2)	Common Stock	2,293	(2)	0	D

Explanation of Responses:

1. Shares sold to pay income tax on final 1/3 of 2023, second 1/3 of 2024 and first 1/3 of 2025 restricted shares that vested on January 6, 2026.

2. No conversion price. Shares awarded if performance measure is met.

	/s/Heather L. Rosentrater	01/08/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did AVA's CEO report on January 6, 2026?

Avista Corp’s President & CEO, Heather L. Rosentrater, reported a conversion of 2,293 performance shares into common stock and a tax-related disposition of 2,983 common shares on January 6, 2026.

How many Avista (AVA) shares did the CEO sell, and at what price?

The CEO reported a disposition of 2,983 shares of common stock at a price of $38.95 per share, identified in the footnotes as shares sold to pay income taxes on vesting restricted stock.

What happened to the 2023 performance shares (TSR) reported by AVA's CEO?

The filing shows a derivative transaction where 2,293 "2023 Performance Shares (TSR)" were converted into 2,293 shares of common stock. A footnote explains there is no conversion price and shares are awarded if a performance measure is met.

How many Avista (AVA) shares does the CEO own after these transactions?

Following the reported transactions, Heather L. Rosentrater beneficially owns 54,828 shares of Avista common stock directly and 695 shares indirectly through her spouse’s plan.

Were the AVA CEO’s reported sales discretionary or tax-related?

The footnote states the 2,983 shares were sold to pay income tax on portions of restricted share awards from 2023, 2024 and 2025 that vested on January 6, 2026, indicating a tax-related disposition.

How are the spouse’s Avista (AVA) shares reported in this Form 4?

The filing lists 695 common shares as "Common Stock in Spouse's Plan", classified as indirect ownership with the nature of ownership described as "Shares Held by Spouse".

What is the CEO’s role and relationship to Avista Corp (AVA) in this insider filing?

The reporting person, Heather L. Rosentrater, is identified as an officer of Avista Corp with the title President & CEO, and is not marked as a director or 10% owner in the filing.