COLPITTS BERNARD RAYMOND JR 4

4 · ADVANCED ENERGY INDUSTRIES INC · Filed Mar 3, 2026

Form 4

Period: 2026-03-01

SVP, Chief Accounting Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-03-01+979→ 2,626 total
Exercise/Conversion
Common Stock
[F2]
2026-03-01+983→ 3,609 total
Tax Payment
Common Stock
[F3]
2026-03-01$335.57/sh−858$287,919→ 2,751 total
Sale
Common Stock
[F4][F5]
2026-03-03$325.60/sh−1,104$359,462→ 1,647 total
Exercise/Conversion
Restricted Stock Units
[F1]
2026-03-01−979→ 979 total
→ Common Stock (979 underlying)
Exercise/Conversion
Restricted Stock Units
[F2]
2026-03-01−983→ 1,966 total
→ Common Stock (983 underlying)
Award
Restricted Stock Units
[F6]
2026-03-01+1,328→ 1,328 total
Exercise: $0.00→ Common Stock (1,328 underlying)
Award
Performance Units
[F7]
2026-03-01+1,327→ 1,327 total
Exercise: $0.00→ Common Stock (1,327 underlying)

Footnotes (7)

[F1]On March 1, 2024, the reporting person was granted 2,938 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.
[F2]On March 1, 2025, the reporting person was granted 2,949 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.
[F3]Payment of tax liability by withholding securities incident to vesting of RSUs.
[F4]The reported sale was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 19, 2025.
[F5]Represents 1,647 unvested restricted stock units.
[F6]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.
[F7]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.

Signature

/s/ Elizabeth Vonne - Attorney-in-Fact|2026-03-03

Documents

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