Form 4: Director Frederick Ball Exercises AEIS Stock Units

Advanced Energy Industries director Frederick Ball acquired 2,313 shares of common stock through the vesting of restricted stock units.

Summary

• Director Frederick Ball acquired 2,313 shares of Advanced Energy Industries (AEIS) common stock on May 2, 2026.
• The acquisition resulted from the vesting of restricted stock units (RSUs) granted on May 2, 2025.
• The shares are being transferred to the 1998 Ball Family Trust.
• Following the transaction, the reporting person maintains indirect beneficial ownership of 3,820 shares in the trust, alongside other holdings in family annuity trusts.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event, as it represents a routine administrative disclosure of director compensation vesting rather than a strategic market move.

Positives

• Director maintains significant long-term alignment with the company through continued equity ownership.
• The transaction represents a standard vesting event for equity-based compensation.

Negatives

• None identified; this is a routine disclosure of equity compensation vesting.

Risks

• None identified; this is a standard Form 4 disclosure regarding director compensation.

Future Outlook

Not applicable; this is a historical transaction report.

Industry Context

StockSavvy.ai notes that routine RSU vesting for board members is a standard component of executive and director compensation packages in the semiconductor and power conversion equipment industry, signaling typical governance practices.

Comparison to Industry Standards

• The transaction aligns with standard equity compensation practices for directors at peer companies like Vicor Corporation or Littelfuse.
• The use of trusts for holding director equity is a common practice for estate planning among corporate insiders.

Related Party Transactions

• The reporting person serves as the trustee for the 1998 Ball Family Trust, the Lynn A Ball 2025 Annuity Trust, and the Frederick A Ball Annuity Trust.

Stakeholder Impact

• Minimal impact on shareholders as this is a standard equity compensation event.

Next Steps

• Transfer of the 2,313 shares to the 1998 Ball Family Trust as indicated in the filing.

Key Dates

Keywords

AEIS, Advanced Energy Industries, Form 4, Insider Trading, Director Equity, Restricted Stock Units