Advanced Energy insider plans $302K stock sale

ADVANCED ENERGY INDUSTRIES, INC.

Rhea-AI Filing Summary

ADVANCED ENERGY INDUSTRIES, INC. (AEIS) has a filing indicating that insider Elizabeth K. Vonne intends to sell common stock under Rule 144. The notice lists 908 common shares, held via Morgan Stanley Smith Barney LLC Executive Financial Services, linked to performance shares dated February 20, 2025, with a referenced trade date of August 18, 2026 on NASDAQ.

Key Figures

Common shares listed in notice: 908 shares Associated dollar figure: $302,073.44 Performance share grant date: 02/20/2025 +1 more

4 metrics

Common shares listed in notice 908 shares Number of AEIS common shares in the Rule 144 filing

Associated dollar figure $302,073.44 Dollar amount shown in the securities information table for these shares

Performance share grant date 02/20/2025 Date tied to the Performance Shares underlying the common stock

Referenced trade date 08/18/2026 Date associated with the planned NASDAQ sale in the filing

Key Terms

Rule 144, Performance Shares, Form 144

3 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.

Performance Shares financial

"Common | 02/20/2025 | Performance Shares | Issuer"

Performance shares are a type of company stock given to executives or employees that only become theirs if the company meets specific goals, like hitting certain profits or growth targets. They motivate leaders to work toward the company’s success, because their additional shares depend on achieving these results.

Form 144 regulatory

"144: Filer Information"

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.

FAQ

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

What does the Form 144 filing mean for AEIS insider Elizabeth K. Vonne?

The Form 144 shows that Elizabeth K. Vonne plans to sell 908 common shares of Advanced Energy Industries, Inc. under Rule 144. It is a notice of a potential sale, not confirmation that the sale has already occurred.

How many AEIS shares are covered by Elizabeth K. Vonne’s Form 144 notice?

The Form 144 lists 908 common shares of Advanced Energy Industries, Inc. These shares are associated with performance shares dated February 20, 2025 and are held through a Morgan Stanley Smith Barney LLC account.

What dollar amount is associated with the AEIS shares in this Form 144?

The filing includes a related dollar figure of $302,073.44 alongside the 908 common shares. This amount appears in the securities information table connected to the planned sale under Rule 144.

When is the AEIS Rule 144 sale by Elizabeth K. Vonne referenced to occur?

The Form 144 references a date of August 18, 2026 in connection with the planned NASDAQ sale. This date reflects the timing noted in the securities information section for the potential transaction.

What type of AEIS equity is involved in Elizabeth K. Vonne’s Form 144 filing?

The filing identifies the securities as common stock tied to Performance Shares dated February 20, 2025. The issuer is Advanced Energy Industries, Inc., and the origin of the shares is listed as the issuer.

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

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Available on EDGAR 08/18/2026 - 04:03 PM Accepted by SEC EDGAR 08/18/2026 - 04:02 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	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	908	302073.44	40050442	08/18/2026	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	02/20/2025	Performance Shares	Issuer			908	02/20/2025	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

Nothing to Report

144: Remarks and Signature

Remarks
Date of Notice	08/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/19/2026
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	/s/ Elizabeth Karpinski Vonne
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)