Avista VP plans Rule 144 sale of 4,675 shares

The planned Rule 144 sales total 4,675 Avista shares, with trades expected to begin around Sept. 2, 2026, for reported market values of about $174,098.

Rhea-AI Filing Summary

AVISTA CORP (AVA) received a notice that company insider Joshua D. DiLuciano, Vice President Energy Delivery, plans to sell common stock under Rule 144. The planned sales involve 3,857 shares of Avista common stock through Citigroup Global Markets, Inc. and 818 shares through Georgeson Securities Corp, for a combined 4,675 shares. The aggregate market values reported are $143,626.19 and $30,472.22, respectively. Avista common shares outstanding are listed as 83,752,830. The shares were acquired as compensation, with sales expected to begin around September 2, 2026.

Key Figures

Shares to be sold via Citigroup Global Markets, Inc.: 3,857 shares Shares to be sold via Georgeson Securities Corp: 818 shares Total shares covered by the notice: 4,675 shares +5 more

8 metrics

Shares to be sold via Citigroup Global Markets, Inc. 3,857 shares Planned Rule 144 sale of Avista Corp common stock

Shares to be sold via Georgeson Securities Corp 818 shares Planned Rule 144 sale of Avista Corp common stock

Total shares covered by the notice 4,675 shares Common stock of Avista Corp to be sold under Rule 144

Aggregate market value via Citigroup Global Markets, Inc. $143,626.19 Planned sale of 3,857 Avista Corp shares

Aggregate market value via Georgeson Securities Corp $30,472.22 Planned sale of 818 Avista Corp shares

Common shares outstanding 83,752,830 shares Avista Corp common stock outstanding as referenced in the notice

Approximate sale date September 2, 2026 Planned start date for Rule 144 sales

Date of notice September 2, 2026 Filing date stated in the Form 144 signature block

Key Terms

Rule 144, aggregate market value, retained shares, compensation

4 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144."

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

aggregate market value financial

"3857 | 143626.19 | 83752830 | 09/02/2026"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

retained shares financial

"Common Stock | 09/02/2026 | Retained Shares | Avista Corporation"

compensation financial

"4675 | 09/02/2026 | Compensation"

FAQ

What insider sale is disclosed for AVA in this Form 144?

The notice reports that Joshua D. DiLuciano, Vice President Energy Delivery, intends to sell 4,675 shares of Avista Corp common stock under Rule 144, with sales expected to begin around September 2, 2026.

How many AVA shares are to be sold through each broker?

The filing lists planned sales of 3,857 shares of Avista common stock through Citigroup Global Markets, Inc. and 818 shares through Georgeson Securities Corp.

What is the aggregate market value of the AVA shares in this Form 144?

The aggregate market value of the planned Avista Corp share sales is reported as $143,626.19 for 3,857 shares and $30,472.22 for 818 shares, based on the prices used in the notice.

How many AVA shares are outstanding according to this notice?

The notice states that Avista Corp has 83,752,830 common shares outstanding, which serves as a context figure for the volume of shares covered by the planned Rule 144 sales.

How were the AVA shares in this Form 144 acquired?

The Form 144 indicates that the 4,675 shares of Avista Corp common stock covered by the notice were acquired as compensation, with dates of acquisition and sale on various dates.

When does the Form 144 notice for AVA indicate sales may begin?

The notice lists an approximate sale date of September 2, 2026 for the Avista Corp common stock to be sold under Rule 144.

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Available on EDGAR 09/02/2026 - 01:40 PM Accepted by SEC EDGAR 09/02/2026 - 01:40 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001943093
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	AVISTA CORP
SEC File Number	001-03701
Address of Issuer	1411 E MISSION AVE SPOKANE WASHINGTON 99202
Phone	5094890500
Name of Person for Whose Account the Securities are To Be Sold	DiLuciano Joshua D
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Vice President Energy Delivery

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Stock	Citigroup Global Markets, Inc 390 Greenwich St New York NY 10013	3857	143626.19	83752830	09/02/2026	NYSE
Common Stock	Georgeson Securities Corp 144 Fernwood Ave Edison NJ 08837	818	30472.22	83752830	09/02/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Stock	09/02/2026	Retained Shares	Avista Corporation			4675	09/02/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks	Dates acquired and dates sold are on various dates
Date of Notice	09/02/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Conformed Signature On File
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)