Advanced Energy (AEIS) CFO receives stock awards and settles taxes

Rhea-AI Filing Summary

Advanced Energy Industries EVP and CFO Paul R. Oldham reported multiple equity-related transactions on March 1, 2026. He acquired common stock through the vesting and conversion of restricted stock units and received new grants of restricted stock units, performance units, and phantom stock under the company’s long-term incentive and deferred compensation plans.

He also disposed of common shares to cover tax withholding at a price of $335.57 per share and made an additional disposition to the issuer in connection with deferring 3,153 vested shares into phantom stock. Following these transactions, he continued to hold common stock and various equity-based awards directly.

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).

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)
03/01/2026

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	03/01/2026		M		3,265	A	(1)	28,057	D
Common Stock	03/01/2026		M		3,371	A	(2)	31,428	D
Common Stock	03/01/2026		F		2,902(3)	D	$335.57	28,526	D
Common Stock	03/01/2026		D		3,153	D	(4)	25,373	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
Restricted Stock Units	(1)	03/01/2026		M			3,265	(1)	(1)	Common Stock	3,265	$0	3,265	D
Restricted Stock Units	(2)	03/01/2026		M			3,371	(2)	(2)	Common Stock	3,371	$0	6,741	D
Restricted Stock Units	$0	03/01/2026		A		4,482		(5)	(5)	Common Stock	4,482	$0	4,482	D
Performance Units	$0	03/01/2026		A	V	4,481		(6)	(6)	Common Stock	4,481	$0	4,481	D
Phantom Stock	(7)	03/01/2026		A		3,153		(7)	(7)	Common Stock	3,153	$0	18,626.018	D

Explanation of Responses:

1. On March 1, 2024, the reporting person was granted 9,796 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the second installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis.

2. On March 1, 2025, the reporting person was granted 10,112 restricted stock units ("RSUs") vesting in three equal installments beginning on the first anniversary of the grant date, of which the first installment vested on March 1, 2026. RSUs convert into common stock on a one-for-one basis.

3. Payment of tax liability by withholding securities incident to vesting of RSUs.

4. In connection with the March 1, 2026 vesting of RSUs previously granted on March 1, 2023 and reported in Table 1, the reporting person's receipt of 3,153 shares of common stock was deferred pursuant to the reporting person's election under the Company's deferred compensation plan (the "Plan"), resulting in the reporting person's receipt of 3,153 shares of phantom stock.

5. These employee RSUs were issued pursuant to the Company's Amended and Restated 2023 Omnibus Incentive Plan ("LTI Plan") and will vest in three equal installments beginning on the first anniversary of the grant date.

6. These performance share awards were issued pursuant to the LTI Plan at 100% of target, have a three-year performance period, and will vest in all or in part upon achievement of performance metrics. Any awards that have not been vested and released at the end of the three-year performance period will be canceled.

7. Each share of phantom stock represents a right to receive one share of common stock or the cash value thereof. Shares of phantom stock become payable in accordance with the reporting person's distribution elections made pursuant to the Plan or upon the reporting person's termination of service, death, or disability. Subject to certain timing restrictions, the reporting person may transfer some or all of the shares of phantom stock into alternative investments under the terms of the Plan.

	/s/ Elizabeth Vonne - Attorney-in-Fact	03/03/2026
	** Signature of Reporting Person	Date
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FAQ

What did AEIS EVP and CFO Paul R. Oldham report in this Form 4?

Paul R. Oldham reported multiple equity transactions, including vesting of restricted stock units into common stock, new awards of restricted stock units, performance units, and phantom stock, plus share dispositions related to tax withholding and deferral under the company’s compensation and incentive plans.

How many new awards did AEIS CFO Paul R. Oldham receive?

Paul R. Oldham received 4,482 restricted stock units, 4,481 performance units, and 3,153 phantom stock units. These awards were granted under Advanced Energy Industries’ long-term incentive and deferred compensation plans, with vesting tied to time-based schedules and performance metrics as described in the footnotes.

How were taxes handled on Paul R. Oldham’s AEIS stock vesting?

Taxes were handled by withholding 2,902 shares of Advanced Energy Industries common stock at a price of $335.57 per share. This tax-withholding disposition satisfied the tax liability arising from the vesting of restricted stock units, instead of paying the taxes in cash directly to the company or authorities.

What is the role of phantom stock in AEIS CFO Paul R. Oldham’s compensation?

Phantom stock represents a right to receive one share of common stock or its cash value. For Paul R. Oldham, 3,153 vested shares were deferred into phantom stock under the company’s deferred compensation plan, to be paid according to his distribution elections or upon events like termination, death, or disability.

How do AEIS restricted stock units convert for Paul R. Oldham?

Restricted stock units convert into Advanced Energy Industries common stock on a one-for-one basis when they vest. For Paul R. Oldham, vested installments from prior RSU grants on March 1, 2024, and March 1, 2025, converted into common shares on March 1, 2026, as detailed in the filing footnotes.

What performance conditions apply to AEIS performance units granted to the CFO?

The performance share awards were issued at 100% of target with a three-year performance period. They will vest in whole or in part upon achieving specified performance metrics, and any portion not vested and released at the end of the three-year performance period will be canceled, according to the filing’s footnotes.