Advanced Energy Industries (AEIS) director sells 10,225 shares in plan

Rhea-AI Filing Summary

Advanced Energy Industries director John A. Roush reported selling a total of 10,225 shares of common stock on March 4, 2026 in a series of open-market transactions. The sales were executed at reported weighted-average prices including $319.78, $320.76, $322.32, $323.79, $324.29, $325.26 and $326.75 per share. According to the filing, these transactions were made under a Rule 10b5-1 trading plan adopted on December 3, 2025. Following the transactions, Roush directly owned 27,593 shares of Advanced Energy Industries 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

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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^*

Roush John A

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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	03/04/2026		S(1)		1,200	D	$319.78(2)	36,618	D
Common Stock	03/04/2026		S(1)		500	D	$320.76	36,118	D
Common Stock	03/04/2026		S(1)		1,728	D	$322.32(3)	34,390	D
Common Stock	03/04/2026		S(1)		500	D	$323.79	33,890	D
Common Stock	03/04/2026		S(1)		3,291	D	$324.29(4)	30,599	D
Common Stock	03/04/2026		S(1)		2,706	D	$325.26(5)	27,893	D
Common Stock	03/04/2026		S(1)		300	D	$326.75(6)	27,593	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

Explanation of Responses:

1. The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 3, 2025.

2. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $319.22 to $320.19, 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.

3. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $322.10 to $323.00, 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 the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $323.89 to $324.87, 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.

5. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $324.99 to $325.74, 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.

6. Represents the weighted average sale price. These shares were sold in multiple transactions at prices ranging from $326.50 to $327.26, 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.

	/s/ Elizabeth Vonne - Attorney-in-Fact	03/06/2026
	** 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 Advanced Energy Industries (AEIS) report?

Advanced Energy Industries reported that director John A. Roush sold 10,225 shares of common stock on March 4, 2026. The Form 4 shows multiple open-market sales at specified weighted-average prices, leaving him with 27,593 directly held shares after the transactions.

How many AEIS shares did director John A. Roush sell on March 4, 2026?

Director John A. Roush sold a total of 10,225 Advanced Energy Industries shares on March 4, 2026. The sales were split across several open-market trades, all reported on a single Form 4, and reduced his direct holdings to 27,593 shares afterward.

At what prices were John A. Roush’s AEIS share sales executed?

The sales were reported at weighted-average prices including $319.78, $320.76, $322.32, $323.79, $324.29, $325.26 and $326.75 per share. Footnotes state these amounts reflect multiple trades within price ranges, with full trade details available upon request from the company or SEC staff.

How many AEIS shares does John A. Roush own after the reported sales?

After the reported transactions, John A. Roush directly owns 27,593 shares of Advanced Energy Industries common stock. Each row in the Form 4 shows the updated balance after that specific sale, with the final line reflecting this post-transaction holding amount.

Were John A. Roush’s AEIS share sales made under a Rule 10b5-1 plan?

Yes. A footnote explains that the reported sales were made under a Rule 10b5-1 trading plan adopted by John A. Roush on December 3, 2025. Such plans pre-schedule trades, helping demonstrate they were not timed based on later nonpublic information.

What type of transactions were reported in this AEIS Form 4 filing?

The Form 4 reports non-derivative transactions in Advanced Energy Industries common stock, coded as open-market sales. Each entry lists the number of shares sold, the weighted-average sale price, and the resulting number of shares Roush directly owned after each sale.