Anne DelSanto disposes 240 AEIS shares; retains 8,094 via family trust

Rhea-AI Filing Summary

Advanced Energy Industries director Anne DelSanto sold 240 shares of AEIS common stock on 08/15/2025 at $160.42 per share under a pre-established Rule 10b5-1 trading plan. After the sale, DelSanto beneficially owns 8,094 shares indirectly through The Delsanto Family Trust, for which she is a trustee. The filing notes the transaction was executed pursuant to a trading plan adopted on March 13, 2025, indicating the sale was preplanned rather than opportunistic.

Positive

• Transaction executed under a Rule 10b5-1 trading plan, indicating pre-planned compliance with insider trading rules.
• Director retains beneficial ownership of 8,094 shares indirectly through The Delsanto Family Trust, maintaining alignment with shareholders.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine director sale under a 10b5-1 plan, signals no immediate governance red flags.

The sale of 240 shares by a director executed under a Rule 10b5-1 plan suggests compliance with insider trading policies and pre-clearance practices. The director still holds 8,094 shares indirectly via a family trust, preserving alignment with shareholders. The transaction size is modest relative to typical institutional holdings and does not indicate a change in board-level commitment.

Securities Analyst

TL;DR: Small, pre-planned disposition; unlikely to affect AEIS valuation or market perception materially.

The reported disposition of 240 shares at $160.42 is limited in scale and flagged as part of a 10b5-1 plan adopted March 13, 2025. Such plans are commonly used to provide defensible liquidity for insiders. Beneficial ownership remaining at 8,094 shares indicates continued exposure to company performance, so investor impact should be minimal.

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).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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)
08/15/2025

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	08/15/2025		S(1)		240	D	$160.42	8,094	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	08/19/2025
	** 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 did AEIS director Anne DelSanto do according to this Form 4?

She sold 240 shares of Advanced Energy Industries common stock on 08/15/2025 at $160.42 per share.

Was the sale part of a pre-established plan for AEIS insider trading?

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

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

After the reported sale, she beneficially owns 8,094 shares indirectly through The Delsanto Family Trust.

What is the nature of DelSanto’s ownership in AEIS?

Her ownership is indirect because the shares are held by The Delsanto Family Trust, for which she serves as trustee.