Form 4: AEHR CFO Chris Siu's Stock Vesting Tax Withholding

AEHR Test Systems CFO Chris Siu reported a transaction involving the withholding of 349 common shares to cover tax obligations related to restricted stock unit vesting.

Summary

• Chris Siu, Chief Financial Officer of AEHR Test Systems, reported a transaction on December 1, 2025.
• 349 shares of AEHR common stock were withheld at a price of $22.53 per share.
• This withholding was conducted to satisfy tax obligations upon the vesting of restricted stock units and does not represent a sale by the reporting person.
• Following this transaction, Chris Siu directly beneficially owns 74,365 shares, which includes shares subject to unvested restricted stock units.
• Additionally, Chris Siu indirectly beneficially owns 5,211 shares through a trust.

Sentiment

Score: 5

Explanation: The filing reports a standard administrative transaction where shares were withheld for tax purposes upon the vesting of restricted stock units, which is a neutral event regarding company performance or outlook.

Positives

• The vesting of restricted stock units indicates the successful fulfillment of compensation milestones for the executive.
• The transaction is a routine administrative event, not a discretionary sale by the insider, which can be viewed as a neutral to slightly positive signal regarding insider confidence.

Future Outlook

N/A

Management Comments

• Represents shares that were withheld to satisfy tax withholding obligations upon vesting of restricted stock units. This does not represent a sale by the Reporting Person.

Industry Context

N/A

Stakeholder Impact

• Shareholders: The impact on shareholders is minimal as this is a routine, non-discretionary transaction related to executive compensation, not a market sale.
• Employees: This reflects the standard operation of the company's executive compensation plan, specifically the vesting of restricted stock units.

Key Dates

Recommendation

This Form 4 reports a routine administrative transaction where shares were withheld to cover tax obligations upon the vesting of restricted stock units. It explicitly states this is not a sale by the reporting person. Such a transaction is a standard part of executive compensation and does not provide new material information to warrant a change in investment recommendation.

Keywords

AEHR, AEHR Test Systems, Chris Siu, CFO, Form 4, SEC filing, beneficial ownership, restricted stock units, RSU, stock vesting, tax withholding