RICHMOND DONALD P. II 4

What Happened

• Donald P. Richmond II, Chief Technology Officer of Aehr Test Systems (AEHR), was issued 8,534 performance-based restricted stock units (RSUs) on 2026-07-01 (6,165 + 2,369 shares; acquisition price $0.00). To satisfy tax withholding obligations upon vesting, 2,524 shares were withheld: 2,213 shares at $84.42 ($186,833) on 2026-07-01 and 311 shares at $69.96 ($21,758) on 2026-07-02. These withholdings are not open-market sales.

Key Details

• Transaction dates and prices:
  • 2026-07-01: Award of 6,165 RSUs and 2,369 RSUs (acquired at $0.00).
  • 2026-07-01: 2,213 shares withheld at $84.42 (withholding value $186,833).
  • 2026-07-02: 311 shares withheld at $69.96 (withholding value $21,758).
• Total RSUs issued: 8,534 shares. Total withheld for taxes: 2,524 shares (~$208,591).
• Shares owned after the transaction: not specified in the filing.
• Footnotes from the filing:
  • F1: Shares issued upon vesting of performance-based RSUs.
  • F2: Vesting schedule: one-sixteenth (1/16) of the award vests every three full calendar months, subject to continued employment.
  • F3: Withheld shares were used to satisfy tax withholding obligations (not a sale).
  • F4: Reported amounts include shares subject to unvested restricted stock units.
• Filing timeliness: Reported on 2026-07-02 for transactions on 2026-07-01 (filed the next day).

Context

• This filing reports RSU vesting and tax withholding—not an open-market purchase or sale—so it does not necessarily signal a change in insider sentiment. The transaction is a routine vesting event for performance-based RSUs; the withholding is a standard cashless method to cover taxes.