Thackston Jason R 4/A
4/A · AVISTA CORP · Filed Mar 4, 2026
Insider Transaction Report
Form 4/AAmended
AVISTA CORPAVA
Thackston Jason R
Senior Vice President
Transactions
- Exercise/Conversion
Common Stock - Performance Shares (CEPS)
[F1][F3]2026-03-02+2,052→ 45,288 total - Tax Payment
Common Stock - Performance Shares (CEPS)
[F2][F3]2026-03-02$39.92/sh−500$19,960→ 44,788 total - Exercise/Conversion
Conversion of 2023 Performance Shares (CEPS)
[F1]2026-03-02−5,128→ 0 total→ Common Stock (5,128 underlying)
Footnotes (3)
- [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.
Signature
/s/Jason R. Thackston|2026-03-04