[Form 4] ADVANCED ENERGY INDUSTRIES INC Insider Trading Activity

Rhea-AI Filing Summary

Advanced Energy Industries (AEIS) reported insider activity by its EVP and CFO. On 11/19/2025, the executive exercised 6,042 stock options at an exercise price of $85.97 per share, converting them into common stock.

On the same date, the executive had 4,082 shares withheld to cover taxes and the option exercise price, and sold 8,174 shares of common stock at a weighted average price of $203.11 per share, in multiple trades between $203.07 and $203.14. After these transactions, the executive beneficially owned 24,792 shares, including 3,153 unvested restricted stock units and 21,639 shares of common stock. The filing notes that the option exercise and related sales were carried out under a Rule 10b5-1 trading plan adopted on August 20, 2025.

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
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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^*

Oldham Paul R

(Last) (First) (Middle)

1595 WYNKOOP STREET, 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

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	11/19/2025		M(1)		6,042	A	$85.97	37,048	D
Common Stock	11/19/2025		F		4,082(2)	D	$203.07	32,966	D
Common Stock	11/19/2025		S(1)		8,174	D	$203.11(3)	24,792(4)	D

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
Employee Stock Option (Right to Buy)	$85.97	11/19/2025		M(1)			6,042	03/16/2025	03/16/2032	Common Stock	6,042	$0	0	D

Explanation of Responses:

1. The reported exercise of options and sales were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 20, 2025.

2. Payment of tax liability and option exercise price by withholding securities incident to options exercised and same-day-sale.

3. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $203.07 to $203.14, inclusive. The reporting person undertakes to provide to the Company, any securityholder of the Company or SEC staff, upon request, full information regarding the number of shares sold at each price within the range specified herein.

4. Represents 3,153 shares of unvested restricted stock units and 21,639 shares of common stock.

	/s/ Elizabeth Vonne - Attorney-in-Fact	11/21/2025
	** 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).
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