Executive equity awards: AVISTA CORP (NYSE: AVA) SVP converts performance shares, withholds stock for taxes

Rhea-AI Filing Summary

AVISTA CORP senior vice president Bryan Alden Cox reported equity award activity and related tax withholding. On March 2, 2026, 2023 performance share units were converted into 1,376 shares of common stock at no exercise price after performance conditions were met. To satisfy income tax on these awards, 336 shares of common stock were withheld at $39.92 per share. After these transactions, Cox directly held 9,441 common shares, and an additional 10,227.12 estimated shares were held indirectly through a 401(k) plan.

Insider Trade Summary

3,440 shares exercised/converted

Mixed 4 txns

Insider Cox Bryan Alden

Role Senior Vice President

Type	Security	Shares	Price	Value
Exercise	Conversion of 2023 Performance Shares (CEPS)	3,440	$0.00	--
Exercise	Common Stock - Performance Shares (CEPS)	1,376	$0.00	--
Tax Withholding	Common Stock - Performance Shares (CEPS)	336	$39.92	$13K
holding	Estimated Shares held in 401(k)	--	--	--

Holdings After Transaction: Conversion of 2023 Performance Shares (CEPS) — 0 shares (Direct); Common Stock - Performance Shares (CEPS) — 9,777 shares (Direct); Estimated Shares held in 401(k) — 10,227.12 shares (Indirect, Shares held in 401(k) Plan)

Footnotes (1)

1. No conversion price. Shares awarded if performance measure is met. Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

Form 4 Insider Transactions: What Each Field Means →

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^*

Cox Bryan Alden

(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)
03/02/2026

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 - Performance Shares (CEPS)	03/02/2026		M		1,376	A	(1)	9,777	D
Common Stock - Performance Shares (CEPS)	03/02/2026		F		336(2)	D	$39.92	9,441	D
Estimated Shares held in 401(k)								10,227.12	I	Shares held in 401(k) Plan

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 (CEPS)	(1)	03/02/2026		M			3,440	(1)	(1)	Common Stock	3,440	(1)	0	D

Explanation of Responses:

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

2. Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

	/s/Bryan A. Cox	03/03/2026
	** 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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did AVA executive Bryan Alden Cox report on this Form 4?

Bryan Alden Cox reported the conversion of 2023 performance share units into 1,376 shares of AVISTA CORP common stock, along with the withholding of 336 shares to cover income tax obligations related to those equity awards on March 2, 2026.

Were AVA shares bought or sold in the open market in this Form 4?

The filing shows no open-market purchases or sales. Activity reflects equity award mechanics: performance share units converted into common stock and 336 shares withheld at $39.92 per share to pay income tax on the vested performance shares.

How many AVISTA CORP shares does Bryan Alden Cox hold after these transactions?

After the reported transactions, Bryan Alden Cox directly holds 9,441 shares of AVISTA CORP common stock. The Form 4 also notes an estimated 10,227.12 additional shares held indirectly through a 401(k) plan associated with the reporting person.

What do the performance share conversions mean for AVA’s executive compensation?

The Form 4 shows 2023 performance share units converting into 1,376 common shares at a $0.00 exercise price, indicating performance conditions were met. This represents the delivery of stock-based compensation previously granted, not a new market purchase by the executive.

Why were 336 AVA shares withheld at $39.92 in this Form 4?

The filing states that 336 shares of AVISTA CORP common stock were withheld at $39.92 per share to pay income tax due on the performance shares that were acquired on March 2, 2026 when those performance-based awards converted into common stock.

How are AVA shares held in Bryan Alden Cox’s 401(k) reported?

The Form 4 lists an indirect holding titled “Estimated Shares held in 401(k)”, with a balance of 10,227.12 shares following the transactions. These are reported as shares held through a 401(k) plan, separate from Cox’s directly owned common stock.