144 0002073188 XXXXXXXX LIVE 0001040470 AEHR TEST SYSTEMS 000-22893 400 KATO TERRACE FREMONT CA 94539 5106239400 WIMMERS DIDIER Officer COMMON STOCK CHARLES SCHWAB

3000 SCHWAB WAY WESTLAKE TX 76262

3500 248880.00 31453254 04/13/2026 NASDAQ COMMON 10/01/2025 ESPP ISSUER N 1628 10/01/2025 PAYROLL DEDUCTION COMMON 04/01/2026 ESPP ISSUER N 1873 04/01/2026 PAYROLL DEDUCTION Y 04/13/2026 DIDIER WIMMERS