Form 4: AEHR CFO's RSU Vesting Leads to Tax Withholding

AEHR Test Systems' CFO, Chris Siu, reported the withholding of 694 shares to cover tax obligations upon the vesting of restricted stock units.

Summary

• Chris Siu, CFO of AEHR Test Systems, reported a transaction on October 2, 2025.
• The transaction involved the withholding of 694 shares of common stock at a price of $32.25 per share.
• These shares were withheld solely to satisfy tax withholding obligations upon the vesting of restricted stock units and do not represent a discretionary sale by Mr. Siu.
• Following this transaction, Mr. Siu directly beneficially owns 75,535 shares of common stock, which includes shares subject to unvested restricted stock units.
• An additional 5,211 shares are indirectly beneficially owned by a trust.
• The transaction was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Sentiment

Score: 5

Explanation: The filing reports a routine, non-discretionary transaction related to executive compensation and tax withholding, which is neutral in terms of market sentiment.

Future Outlook

This filing does not contain any forward-looking statements or guidance regarding the company's future performance or outlook.

Industry Context

This is a routine insider transaction related to executive compensation and tax obligations, which is common across all industries for publicly traded companies with equity compensation plans. It does not provide specific insights into broader industry trends or competitive positioning.

Stakeholder Impact

• Shareholders: Minimal impact as this is a routine, non-discretionary transaction and not a sale indicating a change in management's confidence.

Key Dates

Recommendation

This Form 4 filing details a routine, non-discretionary tax withholding event related to the vesting of restricted stock units for AEHR's CFO. It does not reflect a change in management's outlook or a discretionary sale/purchase of shares. As such, it provides no new material information to alter an existing investment thesis, warranting a 'hold' recommendation.

Keywords

AEHR, Form 4, insider transaction, RSU vesting, tax withholding, Chris Siu, CFO, equity compensation