Avista CEO granted 49,526 performance shares, 21,223 RSUs

Avista Corp President & CEO Heather L. Rosentrater reported new equity awards on February 9, 2026.

Rhea-AI Filing Summary

Avista Corp President & CEO Heather L. Rosentrater reported new equity awards on February 9, 2026. She was granted 21,223 shares of Common Stock - Restricted Shares Grant 2026 at $40.99 per share, bringing her directly held common stock to 76,051 shares.

She also received a Performance Shares Grant - 2026 covering 49,526 performance shares at a reference price of $40.99. These performance shares have no conversion price; shares are awarded only if performance measures are met over a 3-year performance cycle. The filing also notes 695 shares held indirectly in her spouse's plan.

The restricted shares vest in equal installments of one-third each year over three years, and are payable in Avista common stock at the end of each year in the vesting period.

Insider Trade Summary

Grant/Award: 70,749 shares

Grant/Award 3 txns

Insider Rosentrater Heather Lynn

Role President & CEO

Type	Security	Shares	Price	Value
Grant/Award	Performance Shares Grant - 2026	49,526	$40.99	$2.03M
Grant/Award	Common Stock - Restricted Shares Grant 2026	21,223	$40.99	$870K
holding	Common Stock in Spouse's Plan	--	--	--

Holdings After Transaction: Performance Shares Grant - 2026 — 49,526 contracts (Direct); Common Stock - Restricted Shares Grant 2026 — 76,051 shares (Direct); Common Stock in Spouse's Plan — 695 shares (Indirect, Shares Held by Spouse)

Footnotes (3)

1. F1. Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.
2. F2. No conversion price. Shares awarded if performance measure is met.
3. F3. Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

FAQ

What equity awards did AVISTA CORP (AVA) CEO Heather Rosentrater receive on February 9, 2026?

Heather Rosentrater received 21,223 shares of Common Stock under a Restricted Shares Grant 2026 at $40.99 and 49,526 performance shares in a Performance Shares Grant 2026, both tied to Avista Corp. common stock.

How do the 2026 restricted stock grants for AVA’s CEO vest?

The 21,223 restricted shares vest one-third each year over a three-year period. Shares are delivered in Avista Corp. common stock at the end of each year during this three-year vesting schedule, aligning delivery with each annual tranche.

What are the conditions for the 2026 performance share grant reported by AVA’s CEO?

The 49,526 performance shares have no conversion price and are awarded only if a performance measure is met. Each performance cycle lasts three years, and shares are issued at the end of each 3-year cycle if the required performance measure is achieved.

How many Avista common shares does Heather Rosentrater hold directly after these transactions?

Following the restricted stock grant, Heather Rosentrater beneficially owns 76,051 shares of Avista Corp. common stock directly. This figure reflects her direct holdings after the reported February 9, 2026 transaction in the Form 4 filing.

What indirect Avista holdings are reported in the CEO’s Form 4 filing?

The filing reports 695 shares of Avista Corp. common stock held indirectly as “Common Stock in Spouse's Plan.” These shares are classified as indirectly owned, with the nature of ownership described as “Shares Held by Spouse” in the Form 4.

Does the AVA CEO’s 2026 performance share grant have a stated exercise or conversion price?

The performance shares grant has no conversion price. Instead, shares are awarded if a specified performance measure is met over a three-year performance cycle, with shares issued at the end of that 3-year period if the measure is achieved.

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Accepted by SEC EDGAR 02/10/2026 - 05:06 PM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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)
02/09/2026

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 - Restricted Shares Grant 2026	02/09/2026		A		21,223(1)	A	$40.99	76,051	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
Performance Shares Grant - 2026	(2)	02/09/2026		A		49,526		(3)	(3)	Common Stock	49,526	$40.99	49,526	D

Explanation of Responses:

1. Restricted Shares vest 1/3 each year over a 3-year period and are payable in Avista Corp. Common Stock at the end of each year in the 3-year period.

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

3. Each performance cycle is 3 years in length. Shares will be issued at the end of each 3-year cycle if performance measure is met.

	/s/Heather L. Rosentrater	02/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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