Stephen Douglas Kelley - 01 Mar 2025 Form 4 Insider Report for ADVANCED ENERGY INDUSTRIES INC (AEIS)

Role: President and CEO, Director
Signature: /s/ Elizabeth Vonne - Attorney-in-Fact
Issuer symbol: AEIS
Transactions as of: 01 Mar 2025
Net transactions value: -$1,078,106
Form type: 4
Filing time: 04 Mar 2025, 20:32:49 UTC
Previous filing: 21 Feb 2025
Next filing: 18 Mar 2025
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AEIS	Common Stock	Options Exercise		+10,450	+11%		107,186	01 Mar 2025	Direct	F1
transaction	AEIS	Common Stock	Tax liability	$1,078,106	-9,361	-8.7%	$115.17	97,825	01 Mar 2025	Direct	F2, F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AEIS	Restricted Stock Units	Options Exercise	$0	-10,450	-33%	$0.000000	20,898	01 Mar 2025	Common Stock	10,450		Direct	F1
transaction	AEIS	Restricted Stock Units	Award	$0	+27,388		$0.000000	27,388	01 Mar 2025	Common Stock	27,388	$0.000000	Direct	F4
transaction	AEIS	Performance Units	Award	$0	+42,135		$0.000000	42,135	01 Mar 2025	Common Stock	42,135	$0.000000	Direct	F5

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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 first installment vested on March 1, 2025. RSUs convert into common stock on a one-for-one basis.
F2	Payment of tax liability by withholding securities incident to vesting of RSUs.
F3	Represents 30,753 shares of unvested restricted stock units and 67,072 shares of common stock.
F4	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.
F5	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.