Director Claudia Chen Sells 4,061 AOSL Shares Under 10b5-1 Plan

This Form 4 filing reports that Claudia Chen, a director of Alpha & Omega Semiconductor Limited (AOSL), sold 4,061 common shares on May 22, 2026, through a Rule 10b5-1 trading plan. The sales consisted of two transactions: 3,844 shares at a weighted average price of $39.4742 and 217 shares at $40.5406. Following these disposals, Chen's remaining ownership stands at 28,192 shares. The sales were executed pursuant to a pre-established trading plan adopted on February 20, 2026, which allows insiders to sell shares on a predetermined schedule to avoid allegations of trading on material non-public information. The filing includes detailed footnotes indicating the transactions occurred within specific price ranges and that the reporting person will provide additional transaction details upon request.