Jason R. Thackston - 02 Mar 2026 Form 4/A - Amendment Insider Report for AVISTA CORP (AVA)

Signature
/s/Jason R. Thackston
Issuer symbol
AVA
Transactions as of
02 Mar 2026
Net transactions value
$0
Form type
4/A - Amendment
Filing time
04 Mar 2026, 10:22:44 UTC
Date Of Original Report
03 Mar 2026
Previous filing
10 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Thackston Jason R Senior Vice President 1411 E MISSION AVENUE, SPOKANE /s/Jason R. Thackston 04 Mar 2026 0001466555

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AVA Common Stock - Performance Shares (CEPS) Options Exercise +2,052 +4.7% 45,288 02 Mar 2026 Direct F1, F3
transaction AVA Common Stock - Performance Shares (CEPS) Tax liability -500 -1.1% $39.92* 44,788 02 Mar 2026 Direct F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AVA Conversion of 2023 Performance Shares (CEPS) Options Exercise -5,128 -100% 0 02 Mar 2026 Common Stock 5,128 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 No conversion price. Shares awarded if performance measure is met.
F2 Shares withheld to pay income tax on Performance Shares acquired 3/2/26.
F3 Correcting the total amount of shares after the transaction - had incorrectly added the wrong amount to the total.