[Form 4] ADVANCED ENERGY INDUSTRIES INC Insider Trading Activity

Rhea-AI Filing Summary

Anne DelSanto, a director of Advanced Energy Industries, reported the sale of 240 shares of the company's common stock on 09/15/2025 at a price of $157.25 per share. The filing shows 7,854 shares are beneficially owned indirectly through The Delsanto Family Trust, for which she serves as trustee. The sale was executed under a Rule 10b5-1 trading plan adopted on March 13, 2025. The Form 4 was signed by an attorney-in-fact on 09/16/2025.

Positive

• Transaction was preplanned under a Rule 10b5-1 trading plan, which increases transparency about the timing and intent of the sale
• Timely Form 4 disclosure filed and signed by an attorney-in-fact the day after the trade

Negative

• Insider disposed of 240 shares, which some investors may view as insider selling even though it was preplanned
• Remaining ownership is indirect (7,854 shares held by The Delsanto Family Trust), providing less direct clarity on the reporting person's personal stake

Insights

Corporate Governance Expert

TL;DR: Routine, preplanned insider sale under a 10b5-1 plan; disclosure consistent with governance best practices.

The reported disposition of 240 shares was executed pursuant to a Rule 10b5-1 plan adopted March 13, 2025, which indicates the sale was preauthorized rather than opportunistic. The filing discloses indirect ownership through a family trust where the reporting person is trustee, and the Form 4 was executed by an attorney-in-fact on 09/16/2025. From a governance standpoint, timely disclosure and use of a 10b5-1 plan reduce insider trading concerns and align with common disclosure practices for directors.

Securities Analyst

TL;DR: Small-scale insider sale reported; limited direct implication for company fundamentals.

The sale of 240 shares at $157.25 is explicitly documented and followed a 10b5-1 plan adopted earlier in the year. The filing reports 7,854 shares owned indirectly via The Delsanto Family Trust. The transaction size disclosed here is modest in absolute terms and, based solely on the information in this Form 4, does not provide evidence of material change to company financials or operations.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

DelSanto Anne

(Last) (First) (Middle)

1595 WYNKOOP, SUITE 800

(Street)

DENVER CO 80202

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ADVANCED ENERGY INDUSTRIES INC [ AEIS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/15/2025		S(1)		240	D	$157.25	7,854	I	By The Delsanto Family Trust(2)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 13, 2025.

2. Shares held by The Delsanto Family Trust, for which the reporting person serves as a trustee.

	/s/ Elizabeth Vonne - Attorney-in-Fact	09/16/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What shares did Anne DelSanto sell according to the AEIS Form 4?

The filing reports a sale of 240 shares of Advanced Energy Industries common stock on 09/15/2025.

At what price were the AEIS shares sold in this transaction?

The reported sale price was $157.25 per share.

How many AEIS shares does Anne DelSanto beneficially own after the reported transaction?

The Form 4 reports 7,854 shares beneficially owned indirectly through The Delsanto Family Trust.

Was the sale part of a preauthorized trading plan?

Yes. The sale was made pursuant to a Rule 10b5-1 trading plan adopted on March 13, 2025.

Who signed the Form 4 and when?

The Form 4 was executed by Elizabeth Vonne, Attorney-in-Fact and dated 09/16/2025.