Form 4 Filing for AEHR TEST SYSTEMS

This filing details significant insider transactions for AEHR TEST SYSTEMS, primarily involving President and CEO Erickson Gayn. On July 1, 2026, Gayn acquired 35,886 shares of Common Stock upon vesting of performance-based RSUs (footnote F1) and an additional 11,899 shares subject to unvested RSUs and restricted shares (footnote F2, F3). On the same day, 22,925 shares were disposed of to cover tax withholding obligations upon vesting of RSUs (footnote F4), with a price of $84.425 per share. On July 2, 2026, another 3,091 shares were disposed of for tax withholding purposes at $69.96 per share. Following these transactions, Gayn directly holds 206,429 shares. Indirectly, through a trust, 197,723 shares are held.