Avista Corp SVP converts performance shares, withholds stock

Avista Corp senior vice president Gregory Curtis Hesler reported equity award activity involving performance-based shares.

Rhea-AI Filing Summary

Avista Corp senior vice president Gregory Curtis Hesler reported equity award activity involving performance-based shares. On March 2, 2026, he exercised a derivative award of 4,128 2023 Performance Shares (CEPS), resulting in the acquisition of 1,652 shares of Avista common stock at a stated price of $0.00 per share.

On the same date, 403 common shares were automatically disposed of at $39.92 per share to satisfy income tax withholding obligations related to the performance shares, as noted in the filing footnotes. After these transactions, Hesler directly owns 24,969.97 shares of Avista common stock.

Insider Trade Summary

4,128 shares exercised/converted

Exercise 3 txns

Insider Hesler Gregory Curtis

Role Sr V President/Corp Secretary

Type	Security	Shares	Price	Value
Exercise	Conversion of 2023 Performance Shares (CEPS)	4,128	$0.00	$0.00
Exercise	Common Stock - Performance Shares (CEPS)	1,652	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock - Performance Shares (CEPS)	403	$39.92	$16K

Holdings After Transaction: Conversion of 2023 Performance Shares (CEPS) — 0 contracts (Direct); Common Stock - Performance Shares (CEPS) — 24,969.97 shares (Direct)

Footnotes (2)

1. F1. No conversion price. Shares awarded if performance measure is met.
2. F2. Shares withheld to pay income tax on Performance Shares acquired 3/2/26.

FAQ

What insider transactions did AVISTA CORP (AVA) report for Gregory Curtis Hesler?

Gregory Curtis Hesler reported the conversion of 4,128 2023 Performance Shares and the acquisition of 1,652 Avista common shares. He also had 403 shares withheld to cover income taxes related to these performance-based awards.

How many AVISTA CORP (AVA) shares does Gregory Curtis Hesler own after this Form 4?

After the reported transactions, Gregory Curtis Hesler directly owns 24,969.97 shares of Avista common stock. This balance reflects the new performance shares acquired and the shares withheld to satisfy related income tax obligations.

Was the AVISTA CORP (AVA) insider transaction an open-market buy or sell?

The activity involved an exercise and tax withholding, not open-market trading. Hesler acquired 1,652 shares through conversion of performance shares, while 403 shares were disposed of to pay income tax on the award.

What does the tax-withholding transaction on AVISTA CORP (AVA) shares represent?

The tax-withholding transaction reflects 403 Avista common shares disposed of at $39.92 per share. According to the filing footnote, these shares were withheld specifically to pay income tax owed on the performance shares acquired on March 2, 2026.

What kind of equity awards were involved in this AVISTA CORP (AVA) Form 4 filing?

The filing involves 2023 Performance Shares (CEPS), which convert into common stock if performance targets are met. On March 2, 2026, 4,128 performance shares were converted, leading to the issuance of 1,652 Avista common shares to Gregory Curtis Hesler.

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Accepted by SEC EDGAR 03/03/2026 - 06:40 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^*

Hesler Gregory Curtis

(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)
	Sr V President/Corp Secretary

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		1,652	A	(1)	25,372.97	D
Common Stock - Performance Shares (CEPS)	03/02/2026		F		403(2)	D	$39.92	24,969.97	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
Conversion of 2023 Performance Shares (CEPS)	(1)	03/02/2026		M			4,128	(1)	(1)	Common Stock	4,128	(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/Gregory C. Hesler	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.
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