ALPHA & OMEGA SEMICONDUCTOR Ltd 10-Q

ITEM 5. OTHER INFORMATION Trading Plans or Rule 10b5-1 Trading Plans The table below summarizes the material terms of trading arrangements adopted by any of our executive officers and directors during the three months ended September 30, 2025. All of the trading arrangements listed below are intended to satisfy the affirmative defense of Rule 10b5-1(c). Name Title Date of Adoption End Date ( 1) Aggregate number of common shares to be sold pursuant to 10b5-1 trading agreements Bing Xue Executive Vice President Worldwide Sales and Business Development August 14, 2025 July 23, 2026 12,002 (2) Yifan Liang Chief Financial Officer August 21, 2025 May 22, 2026 35,142 Stephen Chang Chief Executive Officer September 08, 2025 June 30, 2026 20,478 1. Each plan will expire on the earlier of the end date and the completion of all transactions under the trading agreements. 2. Excludes (i) approximately 3,690 common shares to be issued upon the vesting of Restricted Share Unit awards (RSU) and (ii) approximately 3,690 common shares to be issued upon the vesting of Performance Share Unit awards (PSU), assuming the achievement of applicable corporate performance goals in the future; in each case of (i) and (ii), taking into account shares to be withheld to satisfy estimated tax withholding obligations based on an assumed closing price of our common shares at such vesting dates. 40 ITEM 6. EXHIBITS 10.1** Equity Transfer Agreement, dated July 14, 2025, by and among Alpha and Omega Semiconductor Limited, Alpha and Omega Semiconductor (Shanghai) Ltd., and a strategic investor 31.1 Certification of Chief Executive Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 31.2 Certification of Chief Financial Officer pursuant to Securities Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. 32.1 Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 32.2 Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. 101.INS Inline XBRL Instance 101.SCH Inline XBRL Taxonomy Extension Schema 101.CAL Inline XBRL Taxonomy Extension Calculation 101.DEF Inline XBRL Taxonomy Extension Definition 101.LAB Inline XBRL Taxonomy Extension Labels 101.PRE Inline XBRL Taxonomy Extension Presentation 104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) ** Certain portions of this exhibit have been redacted pursuant to Item 601(b)(10) of Regulation S-K. 41 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. November 6, 2025 ALPHA AND OMEGA SEMICONDUCTOR LIMITED By: /s/ YIFAN LIANG Yifan Liang Chief Financial Officer and Corporate Secretary (Principal Financial Officer) 42