Frederick Ball - 02 May 2026 Form 4 Insider Report for ADVANCED ENERGY INDUSTRIES INC (AEIS)

Reporting relationship: Director
Issuer ticker: AEIS
Reported as of: 02 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 05 May 2026, 20:43:30 UTC
Prior SEC filing: 06 May 2025
Next SEC filing: 08 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Elizabeth Vonne - Attorney-in-Fact

Key filing fact

Frederick Ball filed Form 4 for ADVANCED ENERGY INDUSTRIES INC (AEIS) on 05 May 2026.

Key facts

This page summarizes Frederick Ball's Form 4 filing for ADVANCED ENERGY INDUSTRIES INC (AEIS).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 05 May 2026, 20:43.

Change

Previous filing in this sequence was filed on 06 May 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001175993 Primary reporting owner

BALL FREDERICK

Relationship: Director
Address: 1595 WYNKOOP STREET, SUITE 800, DENVER
Signature: /s/ Elizabeth Vonne - Attorney-in-Fact
Signature date: 05 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

AEIS transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,313
Change %: +153%
Price
Shares after: 3,820
Date: 02 May 2026
Ownership: By 1998 Ball Family Trust
Footnotes: F1, F2

AEIS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,000
Date: 02 May 2026
Ownership: Lynn A Ball 2025 Annuty Trust
Footnotes: F3

AEIS holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 20,000
Date: 02 May 2026
Ownership: Frederick A Ball Annuity Trust
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

AEIS transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value
Shares: -2,313
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 02 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,313
Exercise price
Footnotes: F1, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

On May 2, 2025, the reporting person was granted 2,313 restricted stock units, which vested on the one-year anniversary of the grant date. Restricted stock units convert to common stock on a one-for-one basis.

Footnote F2

Of this total amount of 3,820 shares: (A) 2,313 shares were issued and are held directly by the reporting person, and the reporting person has instructions in place to transfer the 2,313 shares to the 1998 Ball Family Trust; and (B) 1,507 shares are held indirectly by the 1998 Ball Family Trust, which includes a total of 189 shares acquired through the Dividend Reinvestment Plan.

Footnote F3

The reporting person serves as the trustee.

Footnote F4

Restricted stock units are not exercisable and do not have an expiration date.