AEIS files Form 144 to sell 966 restricted shares

AEIS files a Form 144 reporting an intended sale of 966 restricted shares.

Rhea-AI Filing Summary

AEIS files a Form 144 reporting an intended sale of 966 restricted shares. The notice lists the securities as Restricted Stock to be sold by the issuer and records a recent sale by Elizabeth K. Vonne of 965 shares on 02/23/2026 for $316,925.30. The filing shows a computation line with $356,840.40 and references NASDAQ.

Key Figures

Intended shares to be sold: 966 shares Recent sale by reporting person: 965 shares Proceeds recorded for recent sale: $316,925.30 +2 more

5 metrics

Intended shares to be sold 966 shares listed under "Securities To Be Sold"

Recent sale by reporting person 965 shares sold on <date>02/23/2026</date>

Proceeds recorded for recent sale $316,925.30 amount shown for 965-share sale on <date>02/23/2026</date>

Computation line amount $356,840.40 appears in the filing excerpt calculation

Relevant market NASDAQ market cited on the filing cover line

Key Terms

Form 144, Restricted Stock, Issuer, Computation line

4 terms

Form 144 regulatory

"Securities To Be Sold / Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock financial

"Listed as the security type to be sold dated 04/15/2024"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Issuer regulatory

"Security designation shows 'ISSUER' as the seller type"

Computation line financial

"Fields showing $356,840.40 and numeric identifiers"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does AEIS's Form 144 report?

It reports an intended sale of 966 restricted shares. The filing lists the shares as Restricted Stock with an associated computation and cites a recent sale of 965 shares on 02/23/2026 for $316,925.30.

Who is listed as a recent seller in the AEIS filing?

Elizabeth K. Vonne is listed as a recent seller. The filing records her sale of 965 shares on 02/23/2026 for $316,925.30, shown under "Securities Sold During The Past 3 Months."

What type of securities does the AEIS Form 144 involve?

The filing involves Restricted Stock. The notice identifies the securities to be sold as restricted shares associated with an issuer-led transaction dated 04/15/2024.

Does the AEIS Form 144 indicate where the shares trade?

Yes; the form references NASDAQ as the market. The filing includes trading/identification fields and a computation line showing $356,840.40 in the excerpt.

How many shares is AEIS seeking to sell under this filing?

The Form 144 lists an intended sale of 966 shares. The same excerpt separately records a recent sale of 965 shares by Elizabeth K. Vonne on 02/23/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/16/2026 - 04:01 PM EDT 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	0001923149
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	ADVANCED ENERGY INDUSTRIES, INC.
SEC File Number	000-26966
Address of Issuer	1595 WYNKOOP STREET, SUITE 800 DENVER COLORADO 80202
Phone	(970) 407-6626
Name of Person for Whose Account the Securities are To Be Sold	ELIZABETH K VONNE
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

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	966	356840.40	37750990	04/16/2026	NASDAQ

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	04/15/2024	Restricted Stock	ISSUER			966	04/15/2024	Not Applicable

* 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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ELIZABETH K VONNE 1595 WYNKOOP STREET, SUITE 800 DENVER CO 80202	Common	02/23/2026	965	316925.30

144: Remarks and Signature

Remarks
Date of Notice	04/16/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/12/2025
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	/s/ Elizabeth Karpinski Vonne
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)