Form 4 Filing for ALPHA & OMEGA SEMICONDUCTOR Ltd

Mike F. Chang, a director and 10% owner of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL), reported a transaction on May 26, 2026. Chang transferred 39,780 common shares to the CHANG TRUST for no consideration. Chang is the trustee of the trust, and family members are beneficiaries, meaning Chang remains the beneficial owner. Following this transfer, Chang directly owns 3,614,294 shares. Additionally, 776,032 shares are held indirectly by the CHANG TRUST. The filing also notes various unvested shares, including Performance Share Units (PSUs) and Restricted Share Units (RSUs), subject to vesting conditions.