How do AEIS performance share awards granted to the CEO vest?

The performance share awards were granted at 100% of target under the long-term incentive plan and have a three-year performance period. They will vest in whole or in part based on achieving specified performance metrics, with any unvested portion canceled at the end of the period.

Advanced Energy Industries (AEIS) CEO reports RSU, performance awards

Filing Impact

(Very High)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Advanced Energy Industries President and CEO Stephen Douglas Kelley reported several equity transactions on common stock and awards tied to company shares. He acquired 10,449 and 9,130 shares of common stock through exercises/conversions of restricted stock units (RSUs) that vested on March 1, 2026.

He also received new grants of 11,620 RSUs and 18,260 performance share awards under the company’s long-term incentive plan. To satisfy tax obligations, 13,355 shares of common stock were disposed of at $335.57 per share.

After these transactions, his holdings included 119,426 shares of common stock and 10,950 unvested RSUs, for a total of 130,376 share-based interests directly owned.

Insider Trade Summary

19,579 shares exercised/converted

Mixed 7 txns

Insider Kelley Stephen Douglas

Role President and CEO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	10,449	$0.00	--
Exercise	Restricted Stock Units	9,130	$0.00	--
Grant/Award	Restricted Stock Units	11,620	$0.00	--
Grant/Award	Performance Units	18,260	$0.00	--
Exercise	Common Stock	10,449	$0.00	--
Exercise	Common Stock	9,130	$0.00	--
Tax Withholding	Common Stock	13,355	$335.57	$4.48M

Holdings After Transaction: Restricted Stock Units — 10,449 shares (Direct); Performance Units — 18,260 shares (Direct); Common Stock — 134,601 shares (Direct)

Footnotes (1)

On March 1, 2024, the reporting person was granted 31,348 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. On March 1, 2025, the reporting person was granted 27,388 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. Represents 10,950 shares of unvested restricted stock units and 119,426 shares of common stock. 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. 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.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 03/03/2026 - 06:47 PM

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).

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^*

Kelley Stephen Douglas

(Last)

(First)

(Middle)

1595 WYNKOOP STREET, SUITE 800

(Street)

DENVER

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
X	Officer (give title below)	Other (specify below)
	President and CEO

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	03/01/2026		M		10,449	A	⁽¹⁾	134,601	D
Common Stock	03/01/2026		M		9,130	A	⁽²⁾	143,731	D
Common Stock	03/01/2026		F		13,355	D	$335.57	130,376⁽³⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	03/01/2026		M			10,449	⁽¹⁾	⁽¹⁾	Common Stock	10,449	$0	10,449	D
Restricted Stock Units	⁽²⁾	03/01/2026		M			9,130	⁽²⁾	⁽²⁾	Common Stock	9,130	$0	18,258	D
Restricted Stock Units	$0	03/01/2026		A		11,620		⁽⁴⁾	⁽⁴⁾	Common Stock	11,620	$0	11,620	D
Performance Units	$0	03/01/2026		A	V	18,260		⁽⁵⁾	⁽⁵⁾	Common Stock	18,260	$0	18,260	D

Explanation of Responses:

1. On March 1, 2024, the reporting person was granted 31,348 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 27,388 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. Represents 10,950 shares of unvested restricted stock units and 119,426 shares of common stock.

4. 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.

5. 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.

	/s/ Elizabeth Vonne - Attorney-in-Fact	03/03/2026
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What equity transactions did AEIS CEO Stephen Douglas Kelley report?

Stephen Douglas Kelley reported multiple equity transactions involving RSUs, performance units, and common stock. He exercised vested RSUs into common shares, received new RSU and performance share grants, and had shares disposed of to cover tax obligations related to these awards.

How many AEIS common shares did the CEO acquire through RSU vesting?

The CEO acquired 10,449 and 9,130 shares of Advanced Energy Industries common stock through the exercise or conversion of vested restricted stock units. These RSUs had previously been granted and vested in scheduled installments before converting into common shares on a one-for-one basis.

What new stock-based awards did the AEIS CEO receive in this Form 4?

The CEO received 11,620 restricted stock units and 18,260 performance share awards. These grants were issued under Advanced Energy Industries’ Amended and Restated 2023 Omnibus Incentive Plan and vest over time or based on three-year performance metrics tied to company results.

Were any AEIS shares sold on the open market in this filing?

The filing reports a disposition of 13,355 shares of common stock at $335.57 per share to pay tax obligations. The transaction is coded as tax-withholding, meaning shares were delivered to cover liabilities rather than representing a discretionary open-market sale by the CEO.

How many AEIS shares and RSUs does the CEO hold after these transactions?

After these transactions, the CEO directly holds 119,426 shares of Advanced Energy Industries common stock and 10,950 unvested restricted stock units. Together these positions represent 130,376 share-based interests, reflecting both currently owned shares and equity awards that will vest over time.