Director trust trims Advanced Energy (NASDAQ: AEIS) stake

Rhea-AI Filing Summary

Advanced Energy Industries director Anne DelSanto reported an open-market sale of 240 shares of common stock at $311.04 per share on February 17, 2026. The transaction was executed indirectly by The DelSanto Family Trust, for which she serves as trustee, under a pre-arranged Rule 10b5-1 trading plan adopted on March 13, 2025.

Following this sale, the trust continued to hold 6,654 shares of Advanced Energy common stock.

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

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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)
02/17/2026

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	02/17/2026		S(1)		240	D	$311.04	6,654	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	02/18/2026
	** 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 insider transaction did AEIS director Anne DelSanto report?

Anne DelSanto reported an open-market sale of 240 AEIS shares. The common stock was sold at $311.04 per share on February 17, 2026, and was executed indirectly through The DelSanto Family Trust, where she serves as trustee.

At what price were the AEIS shares sold in this Form 4 filing?

The AEIS shares were sold at $311.04 per share. Director Anne DelSanto, through The DelSanto Family Trust, completed an open-market sale of 240 shares at this price on February 17, 2026, as disclosed in the Form 4.

How many AEIS shares remain held after the reported sale?

The DelSanto Family Trust held 6,654 AEIS shares after the sale. Following the open-market disposition of 240 shares, the trust’s remaining indirect ownership in Advanced Energy Industries was reported as 6,654 common shares.

Was the AEIS insider sale made under a Rule 10b5-1 plan?

Yes, the AEIS sale was made under a Rule 10b5-1 plan. The footnotes state the reported transaction followed a pre-arranged trading plan adopted by the reporting person on March 13, 2025, providing structure for the February 17, 2026 sale.

Who actually holds the AEIS shares reported in Anne DelSanto’s Form 4?

The AEIS shares are held by The DelSanto Family Trust. The filing notes that the shares are owned by the trust, for which Anne DelSanto serves as trustee, and the transaction reflects indirect ownership rather than direct personal holdings.

What type of transaction code appears in this AEIS Form 4?

The Form 4 reports transaction code "S" for a sale. This code indicates a sale in an open-market or private transaction, matching the disclosed 240-share disposition of Advanced Energy common stock by The DelSanto Family Trust.