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Chien Joshua C. reported acquisition or exercise transactions in this Form 4 filing.
Alpha & Omega Semiconductor Ltd reports that director Joshua C. Chien was granted restricted share units covering 1,368 common shares on 2026-07-20 at a reported price of $0.0000 per share. The RSUs vest on the same schedule as prior annual director grants, pro rata with his Board service, and 1,368 common shares subject to RSUs are reported as directly owned following this award.
Alpha & Omega Semiconductor Ltd EVP Xue Bing sold 875 common shares on July 16, 2026 at $33.99 per share in an open-market transaction pursuant to a Rule 10b5-1 trading plan adopted on August 14, 2025.
After the sale, Xue Bing directly holds 122,785 shares, including unvested PSUs, MSUs and RSUs described in the footnotes.
Alpha & Omega Semiconductor Ltd director Joshua C. Chien submitted an initial Form 3 reporting his status as a director and potential beneficial owner. The Form 3 does not list any reportable equity holdings or transactions, and it includes an exhibit granting a Power of Attorney for future SEC-related actions.
Bing Xue plans to sell 875 shares of AOSL common stock through Morgan Stanley Smith Barney LLC Executive Financial Services on 07/16/2026. These shares were acquired on 05/14/2025 under an Employee Stock Purchase Plan for cash. Over the past three months, Xue has sold 4,916 shares on 05/18/2026 for 201556.00 and another 4,916 shares on 06/16/2026 for 231494.44.
ALPHA & OMEGA SEMICONDUCTOR Ltd director and 10% owner Mike F. Chang reported an internal equity transfer. On July 13, 2026 he made a bona fide gift of 23,754 common shares to the CHANG TRUST for no consideration and remains the beneficial owner. Following the transfer he holds 3,560,540 shares directly and 799,786 shares indirectly through the trust, plus additional unvested PSU, MSU and RSU awards.
Dimensional Fund Advisors LP, a Delaware limited partnership and registered investment adviser, reports beneficial ownership of 1,335,089 shares of Alpha & Omega Semiconductor Ltd common stock as of June 30, 2026, representing 4.5% of the class of common stock.
Dimensional has sole voting power over 1,303,437 shares and sole dispositive power over 1,335,089 shares, with no shared voting or dispositive authority. All reported securities are owned by underlying funds and accounts that receive dividends and sale proceeds, while Dimensional disclaims beneficial ownership other than for Section 13(d) reporting and notes the position as ownership of 5 percent or less of the class.
Alpha and Omega Semiconductor Limited appointed Joshua Chien as an independent director to its Board, effective July 8, 2026. He will serve until the company’s 2026 annual general meeting of shareholders and until a successor is duly elected and qualified.
Chien brings senior leadership experience from Sonatus, SMTC Corporation and Sanmina in business development, sales, marketing and operations. As a non-employee director, he will receive an annual cash retainer of $60,000 and an annual restricted share unit award valued at $170,000, under the company’s standard non-employee director compensation policy, and will enter into the company’s standard indemnification agreement.
Alpha & Omega Semiconductor executive vice president of worldwide sales and business development Bing Xue reported an open-market sale of 4,916 common shares at $47.09 per share on June 16, 2026, executed under a pre-arranged Rule 10b5-1 trading plan adopted on August 14, 2025.
Following this transaction, Xue directly owns 123,660 shares, which include 18,750 unvested Performance Share Unit shares, 22,500 unvested Market-Based Performance Share Unit shares, 38,750 shares subject to Restricted Share Unit awards that will be issued as they vest, and 875 shares acquired through the company’s Employee Stock Purchase Plan.
AOSL files a Form 144 notice reporting proposed sales of 4,916 shares of Common Stock classified as Performance Shares, with a reported value of $231,494.44 and a filing date of 06/16/2026.
The excerpt also lists prior sales by Bing Xue of 4,916 shares on 05/18/2026 for $201,556.00 and 1,832 shares on 04/16/2026 for $57,176.72.
Alpha & Omega Semiconductor director and 10% owner Mike F. Chang reported a bona fide gift of 30,000 Common Shares at $0.00 per share. After this gift, he holds 3,584,294 Common Shares directly and 776,032 Common Shares indirectly through the CHANG TRUST.
The indirect holdings include 35,625 unvested shares under performance share units granted in 2024 and 2025, 45,000 unvested shares under market-based performance share units granted in 2018, and 67,500 shares subject to restricted share unit awards that will be issued as the units vest.