Avista SVP granted restricted and performance shares

Avista Corp senior vice president Jason R. Thackston reported stock-based compensation awards.

Rhea-AI Filing Summary

Avista Corp senior vice president Jason R. Thackston reported stock-based compensation awards. On 02/09/2026 he received 3,147 shares of Avista common stock as a restricted stock grant at a reference price of $40.99 per share, bringing his directly held common shares to 43,236.

He also received a 2026 performance share grant covering 7,344 derivative performance shares at $40.99 per share. The restricted shares vest in three equal annual installments over three years, while the performance shares are eligible to be issued after a three-year performance cycle if specified performance measures are met.

Insider Trade Summary

Grant/Award: 10,491 shares

Grant/Award 2 txns

Insider Thackston Jason R

Role Senior Vice President

Type	Security	Shares	Price	Value
Grant/Award	Performance Shares Grant - 2026	7,344	$40.99	$301K
Grant/Award	Common Stock - Restricted Shares Grant 2026	3,147	$40.99	$129K

Holdings After Transaction: Performance Shares Grant - 2026 — 7,344 contracts (Direct); Common Stock - Restricted Shares Grant 2026 — 43,236 shares (Direct)

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 insider stock grants did AVISTA CORP (AVA) report for Jason R. Thackston?

Avista reported that senior vice president Jason R. Thackston received 3,147 restricted common shares and a 2026 performance share grant covering 7,344 performance shares, both dated 02/09/2026, as part of his stock-based compensation awards.

How do the 2026 restricted stock grants for AVA executive Jason Thackston vest?

The 3,147 restricted shares granted to Jason Thackston vest in three equal installments over three years. Each year, one-third of the shares becomes payable in Avista Corp. common stock at the end of that year in the three-year vesting period.

What are the terms of the 2026 performance share grant reported for AVA?

The 2026 performance share grant covers 7,344 performance shares with no fixed conversion price. Shares are awarded only if the performance measure is met over a three-year performance cycle, and they are issued at the end of that three-year period.

What is Jason Thackston’s Avista common stock ownership after the reported Form 4?

Following the 3,147-share restricted stock grant on 02/09/2026, Jason Thackston beneficially owns 43,236 Avista Corp. common shares directly. This figure reflects his holdings after the reported non-derivative stock transaction in the filing.

Does the AVA performance share grant have a conversion price or fixed strike?

The 7,344 performance shares in the 2026 grant have no conversion price. Instead, shares are awarded only if a specified performance measure is achieved, and are issued at the end of the three-year performance cycle described in the filing.

When will AVA’s 2026 restricted and performance shares potentially be delivered?

Restricted shares are payable in common stock at the end of each year over a three-year vesting schedule. Performance shares, if performance targets are met, will be issued in Avista common stock at the end of the three-year performance cycle.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/10/2026 - 05:09 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^*

Thackston Jason R

(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)
	Senior Vice President

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		3,147(1)	A	$40.99	43,236	D

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		7,344		(3)	(3)	Common Stock	7,344	$40.99	7,344	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/Jason R. Thackston	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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